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Galaxy cluster MACS J0717.5+3745 - Galaxy cluster MACS J0717.5+3745 - View of the galaxy cluster MACS J0717.5+3745 visible. This cluster located approximately 5.4 billion years ago - light from the Earth in the constellation of the Coach, is the result of the collision of three clusters of galaxies. Image obtained by the Hubble Space Telescope. This picture shows a region where three galaxy clusters are merging and releasing enormous amounts of energy in the form of X - rays. These distant objects are around 5.4 billion light - years from Earth, in the constellation of Auriga and were imaged during the Massive Cluster Survey, a project to study distant clusters of galaxies using Hubble. The amount of mass in this sea of galaxies is huge, and is great enough to visibly bend the fabric of spacetime. The strange distortion in the shapes of many of the galaxies in this picture, which appear stretched and bent as if they were looked at through a glass bottle, is a result of gravitational le

Galaxy cluster MACS J0717.5+3745 - Galaxy cluster MACS J0717.5+3745 - View of the galaxy cluster MACS J0717.5+3745 visible. This cluster located approximately 5.4 billion years ago - light from the Earth in the constellation of the Coach, is the result of the collision of three clusters of galaxies. Image obtained by the Hubble Space Telescope. This picture shows a region where three galaxy clusters are merging and releasing enormous amounts of energy in the form of X - rays. These distant objects are around 5.4 billion light - years from Earth, in the constellation of Auriga and were imaged during the Massive Cluster Survey, a project to study distant clusters of galaxies using Hubble. The amount of mass in this sea of galaxies is huge, and is great enough to visibly bend the fabric of spacetime. The strange distortion in the shapes of many of the galaxies in this picture, which appear stretched and bent as if they were looked at through a glass bottle, is a result of gravitational le

PIX4565703

Polaris System - Polaris is a triple system consisting of a supergiant star and two dwarf stars. It is a pulsating variable star, cepheide of low amplitude. This montage shows the polar star and constellations of the Little Bear and the Big Bear (left), Polaris A and his companion Polaris B seen by the Hubble Space Telescope (top right), and Polaris Ab photographed for the first time by the Hubble Space Telescope (bottom right). This sequence of images shows that the North Star, Polaris is really a triple star system. For the first time, the close companion of Polaris has been seen directly. The left frame shows Polaris's location very close to the position of Earth's north celestial pole in Ursa Minor (the Small Bear). The upper right image shows Polaris A and its distant companion Polaris B, as viewed by Hubble. They are separated by approximately 240 billion miles. Polaris B, the wide companion, is visible in small telescopes, and was first noticed by William Herschel in 1780. The c

Polaris System - Polaris is a triple system consisting of a supergiant star and two dwarf stars. It is a pulsating variable star, cepheide of low amplitude. This montage shows the polar star and constellations of the Little Bear and the Big Bear (left), Polaris A and his companion Polaris B seen by the Hubble Space Telescope (top right), and Polaris Ab photographed for the first time by the Hubble Space Telescope (bottom right). This sequence of images shows that the North Star, Polaris is really a triple star system. For the first time, the close companion of Polaris has been seen directly. The left frame shows Polaris's location very close to the position of Earth's north celestial pole in Ursa Minor (the Small Bear). The upper right image shows Polaris A and its distant companion Polaris B, as viewed by Hubble. They are separated by approximately 240 billion miles. Polaris B, the wide companion, is visible in small telescopes, and was first noticed by William Herschel in 1780. The c

PIX4572025

Nebula M43 in Orion - M43 nebula in Orion - Nebula M43 (NGC 1982) is part of the great Nebula of Orion (M42), a vast region of star formation. This image obtained by the Hubble Space Telescope (HST) shows a detail of the nebula people of bright young stars accompanied by very young stars still surrounded by their cocoon of dust. The NASA/ESA Hubble Space Telescope has taken a close - up view of an outer part of the Orion Nebula's little brother, Messier 43. This nebula, which is sometimes referred to as De Mairan's Nebula after its discoverer, is separated from the famous Orion Nebula (Messier 42) by only a dark lane of dust. Both nebulae are part of the massive stellar nursery called the Orion molecular cloud complex, which includes several other nebulae, such as the Horsehead Nebula (Barnard 33) and the Flame Nebula (NGC 2024). This view shows several of the brilliant hot young stars in this less - studied region and it also reveals many of the curious features around even younger st

Nebula M43 in Orion - M43 nebula in Orion - Nebula M43 (NGC 1982) is part of the great Nebula of Orion (M42), a vast region of star formation. This image obtained by the Hubble Space Telescope (HST) shows a detail of the nebula people of bright young stars accompanied by very young stars still surrounded by their cocoon of dust. The NASA/ESA Hubble Space Telescope has taken a close - up view of an outer part of the Orion Nebula's little brother, Messier 43. This nebula, which is sometimes referred to as De Mairan's Nebula after its discoverer, is separated from the famous Orion Nebula (Messier 42) by only a dark lane of dust. Both nebulae are part of the massive stellar nursery called the Orion molecular cloud complex, which includes several other nebulae, such as the Horsehead Nebula (Barnard 33) and the Flame Nebula (NGC 2024). This view shows several of the brilliant hot young stars in this less - studied region and it also reveals many of the curious features around even younger st

PIX4618093

E.DEORBIT: a satellite to clean space - E.Deorbit grabbing debris - An artist's view of the e.deorbit satellite (left) catching a satellite with a robotic arm to take it to consume itself in the Earth's atmosphere. e.Deorbit is a European mission project that if approved in 2019 will start in 2024. This satellite will be the first to clean up space debris. He would remove the larger objects with his arm or a net, before discharging them into the atmosphere, or they would be destroyed. ESA's proposed e.Deorbit mission, shown left, using a robotic arm to catch a derelict satellite - the baseline capture method for what would be the world's first active space debris removal mission, in 2024. The mission would first rendezvous with a large, drifting ESA satellite, then capture and secure it safely ahead of steering the combination down for a controlled burn-up in the atmosphere. As well as the baselined robot arm, additional capture technologies are being investigated, including a net and

E.DEORBIT: a satellite to clean space - E.Deorbit grabbing debris - An artist's view of the e.deorbit satellite (left) catching a satellite with a robotic arm to take it to consume itself in the Earth's atmosphere. e.Deorbit is a European mission project that if approved in 2019 will start in 2024. This satellite will be the first to clean up space debris. He would remove the larger objects with his arm or a net, before discharging them into the atmosphere, or they would be destroyed. ESA's proposed e.Deorbit mission, shown left, using a robotic arm to catch a derelict satellite - the baseline capture method for what would be the world's first active space debris removal mission, in 2024. The mission would first rendezvous with a large, drifting ESA satellite, then capture and secure it safely ahead of steering the combination down for a controlled burn-up in the atmosphere. As well as the baselined robot arm, additional capture technologies are being investigated, including a net and

D. Ducros

PIX4605498

Planetary nebula M 27 (NGC 6853) in the little fox - This excellent image of the Dumbbell Nebula (M27, NGC6853), a planetary nebula in the constellation of Vulpecula, was taken at the 3.5 - meter WIYN telescope using the mini - mosaic imager. The nebula was formed when an evolved, red giant star ejected its outer envelope near the end of its lifetime. The expanding cloud of gas becomes visible once the hot core of the star, visible near the center, is exposed and the high - energy, ultraviolet light from the core ionizes the cloud. This makes the nebula emit mostly a strong emission - line spectrum. This color image was obtained by combining three separate pictures, each one taken through a narrow filter centered at the emission wavelengths of Hydrogen (H alpha, red, 656 nm), doubly ionized Oxygen (OII, green, 501 nm), and neutral Oxygen (OI, blue, 630 nm). It is physically very interesting that neutral gas can survive in a region right next to highly ionized gas, and this image shows

Planetary nebula M 27 (NGC 6853) in the little fox - This excellent image of the Dumbbell Nebula (M27, NGC6853), a planetary nebula in the constellation of Vulpecula, was taken at the 3.5 - meter WIYN telescope using the mini - mosaic imager. The nebula was formed when an evolved, red giant star ejected its outer envelope near the end of its lifetime. The expanding cloud of gas becomes visible once the hot core of the star, visible near the center, is exposed and the high - energy, ultraviolet light from the core ionizes the cloud. This makes the nebula emit mostly a strong emission - line spectrum. This color image was obtained by combining three separate pictures, each one taken through a narrow filter centered at the emission wavelengths of Hydrogen (H alpha, red, 656 nm), doubly ionized Oxygen (OII, green, 501 nm), and neutral Oxygen (OI, blue, 630 nm). It is physically very interesting that neutral gas can survive in a region right next to highly ionized gas, and this image shows

PIX4623419

E.DEORBIT: a satellite to clean up space - E.Deorbit grabbing debris - Artist view of the e.deorbit satellite (left) catching a satellite with a net to take it to consume in the Earth's atmosphere. e.Deorbit is a European mission project that if approved in 2019 will start in 2024. This satellite will be the first to clean up space debris. He would recapture the larger objects with his articulated arm or a net, before discharging them into the atmosphere, or they would be destroyed. ESA's proposed e.Deorbit mission, shown left, using a net to catch a derelict satellite - the baseline capture method for what would be the world's first active space debris removal mission, in 2024. The mission would first rendezvous with a large, drifting ESA satellite, then capture and secure it safely ahead of steering the combination down for a controlled burn-up in the atmosphere. As well as the baselined robot arm, additional capture technologies are being investigated, including a net and harpon. In

E.DEORBIT: a satellite to clean up space - E.Deorbit grabbing debris - Artist view of the e.deorbit satellite (left) catching a satellite with a net to take it to consume in the Earth's atmosphere. e.Deorbit is a European mission project that if approved in 2019 will start in 2024. This satellite will be the first to clean up space debris. He would recapture the larger objects with his articulated arm or a net, before discharging them into the atmosphere, or they would be destroyed. ESA's proposed e.Deorbit mission, shown left, using a net to catch a derelict satellite - the baseline capture method for what would be the world's first active space debris removal mission, in 2024. The mission would first rendezvous with a large, drifting ESA satellite, then capture and secure it safely ahead of steering the combination down for a controlled burn-up in the atmosphere. As well as the baselined robot arm, additional capture technologies are being investigated, including a net and harpon. In

D. Ducros

PIX4605500

Crete vue de l'espace - Crete seen from space - La Crete vue from the International Space Station (ISS) on 22 July 2011. Crete is the largest and most heavily populated island of Greece (or the Hellenic Republic). The island stretches approximately 260 kilometers (161 miles) from west to east, and it is roughly 60 kilometers (37 miles) across at its widest point. The rugged terrain of Crete includes mountains, plateaus, and several deep gorges. The largest city on the island, Heraklion, sits on the northern coastline. Several smaller islands ring Crete. Two of the largest of these, Dia and Gavdos, are sparsely populated year - round, although Gavdos hosts numerous summer visitors. The western and central parts of Crete appear surrounded by quicksilver in this astronaut photograph taken from the International Space Station. This phenomenon is known as sunglint, caused by light reflecting off of the sea surface directly towards the observer. The point of maximum reflectance is visible as

Crete vue de l'espace - Crete seen from space - La Crete vue from the International Space Station (ISS) on 22 July 2011. Crete is the largest and most heavily populated island of Greece (or the Hellenic Republic). The island stretches approximately 260 kilometers (161 miles) from west to east, and it is roughly 60 kilometers (37 miles) across at its widest point. The rugged terrain of Crete includes mountains, plateaus, and several deep gorges. The largest city on the island, Heraklion, sits on the northern coastline. Several smaller islands ring Crete. Two of the largest of these, Dia and Gavdos, are sparsely populated year - round, although Gavdos hosts numerous summer visitors. The western and central parts of Crete appear surrounded by quicksilver in this astronaut photograph taken from the International Space Station. This phenomenon is known as sunglint, caused by light reflecting off of the sea surface directly towards the observer. The point of maximum reflectance is visible as

PIX4665986

Cepheides in the barree spiral galaxy NGC 1365 - Cepheids in the barred spiral galaxy NGC 1365 - Detail on a star-forming zone in the barree spiral galaxy NGC 1365. Approximately 50 cepheides were discovered, allowing it to calculate its distance and estimate it at 60 million light years. NGC 1365 is a barred spiral galaxy that extends over 200,000 years - light. It belongs to the cluster of galaxies in the Furnace. Image obtained in 1996 by the Hubble space telescope A left image obtained by a ground telescope. This color image from the Hubble Space Telescope shows a region in NGC 1365, a barred spiral galaxy located in a cluster of galaxies called Fornax. A barred spiral galaxy is characterized by a “” bar””” of stars, dust and gas across its center. The black and white photograph from a ground - based telescope shows the entire galaxy, which is visible from the Southern Hemisphere. Astronomers who have been measuring the distance to the Fornax cluster, have estimated it to be 60 mil

Cepheides in the barree spiral galaxy NGC 1365 - Cepheids in the barred spiral galaxy NGC 1365 - Detail on a star-forming zone in the barree spiral galaxy NGC 1365. Approximately 50 cepheides were discovered, allowing it to calculate its distance and estimate it at 60 million light years. NGC 1365 is a barred spiral galaxy that extends over 200,000 years - light. It belongs to the cluster of galaxies in the Furnace. Image obtained in 1996 by the Hubble space telescope A left image obtained by a ground telescope. This color image from the Hubble Space Telescope shows a region in NGC 1365, a barred spiral galaxy located in a cluster of galaxies called Fornax. A barred spiral galaxy is characterized by a “” bar””” of stars, dust and gas across its center. The black and white photograph from a ground - based telescope shows the entire galaxy, which is visible from the Southern Hemisphere. Astronomers who have been measuring the distance to the Fornax cluster, have estimated it to be 60 mil

PIX4609849

E.DEORBIT: a satellite to clean space - E.Deorbit grabbing debris - An artist's view of the e.deorbit satellite (left) catching a satellite with a robotic arm to take it to consume itself in the Earth's atmosphere. e.Deorbit is a European mission project that if approved in 2019 will start in 2024. This satellite will be the first to clean up space debris. He would remove the larger objects with his arm or a net, before discharging them into the atmosphere, or they would be destroyed. ESA's proposed e.Deorbit mission, shown left, using a robotic arm to catch a derelict satellite - the baseline capture method for what would be the world's first active space debris removal mission, in 2024. The mission would first rendezvous with a large, drifting ESA satellite, then capture and secure it safely ahead of steering the combination down for a controlled burn-up in the atmosphere. As well as the baselined robot arm, additional capture technologies are being investigated, including a net and

E.DEORBIT: a satellite to clean space - E.Deorbit grabbing debris - An artist's view of the e.deorbit satellite (left) catching a satellite with a robotic arm to take it to consume itself in the Earth's atmosphere. e.Deorbit is a European mission project that if approved in 2019 will start in 2024. This satellite will be the first to clean up space debris. He would remove the larger objects with his arm or a net, before discharging them into the atmosphere, or they would be destroyed. ESA's proposed e.Deorbit mission, shown left, using a robotic arm to catch a derelict satellite - the baseline capture method for what would be the world's first active space debris removal mission, in 2024. The mission would first rendezvous with a large, drifting ESA satellite, then capture and secure it safely ahead of steering the combination down for a controlled burn-up in the atmosphere. As well as the baselined robot arm, additional capture technologies are being investigated, including a net and

D. Ducros

PIX4605494

Remains of the Crab Supernova (M1) in the Taurus and Crab Pulsar - This picture shows a time sequence for the pulsar in the Crab nebula, shown in context against an image, also taken with the Kitt Peak 4 - meter Mayall telescope. Both the nebula and its central pulsar were created by a supernova explosion in the year 1054 A.D. The enlarged region is a mosaic of 33 time slices, ordered from top to bottom and from left to right. Each slice represents approximately one millisecond in the period of the pulsar. The brighter, primary pulse is visible in the first column: the weaker, broader inter - pulse can be seen in the second column. These data were taken with the Kitt Peak Photon Counting Array (KPCA) at the Kitt Peak 4 - meter Mayall telescope during the night of 20 October 1989, using a standard B - band optical filter, and represent a phased accumulation of almost two hours of observation. The observed period at the telescope was 33.36702 milliseconds. Due to poor weather and a long

Remains of the Crab Supernova (M1) in the Taurus and Crab Pulsar - This picture shows a time sequence for the pulsar in the Crab nebula, shown in context against an image, also taken with the Kitt Peak 4 - meter Mayall telescope. Both the nebula and its central pulsar were created by a supernova explosion in the year 1054 A.D. The enlarged region is a mosaic of 33 time slices, ordered from top to bottom and from left to right. Each slice represents approximately one millisecond in the period of the pulsar. The brighter, primary pulse is visible in the first column: the weaker, broader inter - pulse can be seen in the second column. These data were taken with the Kitt Peak Photon Counting Array (KPCA) at the Kitt Peak 4 - meter Mayall telescope during the night of 20 October 1989, using a standard B - band optical filter, and represent a phased accumulation of almost two hours of observation. The observed period at the telescope was 33.36702 milliseconds. Due to poor weather and a long

PIX4583092

Development of the human embyo in the first three months of pregnancy (engraving)

Development of the human embyo in the first three months of pregnancy (engraving)

German School, (19th century)

LLM3097138

Twins in their mother's womb (engraving)

Twins in their mother's womb (engraving)

German School, (19th century)

LLM3097125

May 05, 1953 - LIFESAVER SARAH... SARAH - short for Search and Rescue and Homing - is a new radio device for saving air-crash survivors, shipwrecked seamen and stranded personnel in mountains, jungle and in desert. A radio beacon weighing only 20 ounces with a 32-ounce battery fitted to the survivor's life-jacket, transmits a signal to guide searching aircraft. The stranded man pulls a ring which releases a 31-inch flexible aerial and starts the transmitter. Transmission can be maintained for 20 hours with a maximum range of 66 miles to an aircraft at 10,000 feet. A distress signal at see can thus be picked up by an aircraft within an area of 10,000 square miles. The signals are displayed on a cathode ray tube in the rescuing aircraft. The rescuing craft then” homes” on to the signal which suddenly vanishes when the aircraft is above the stranded man. A two-way speech unit provides means of verbal communication in between rescuer and survivor at close range. Keystone Photo Shows: - On

May 05, 1953 - LIFESAVER SARAH... SARAH - short for Search and Rescue and Homing - is a new radio device for saving air-crash survivors, shipwrecked seamen and stranded personnel in mountains, jungle and in desert. A radio beacon weighing only 20 ounces with a 32-ounce battery fitted to the survivor's life-jacket, transmits a signal to guide searching aircraft. The stranded man pulls a ring which releases a 31-inch flexible aerial and starts the transmitter. Transmission can be maintained for 20 hours with a maximum range of 66 miles to an aircraft at 10,000 feet. A distress signal at see can thus be picked up by an aircraft within an area of 10,000 square miles. The signals are displayed on a cathode ray tube in the rescuing aircraft. The rescuing craft then” homes” on to the signal which suddenly vanishes when the aircraft is above the stranded man. A two-way speech unit provides means of verbal communication in between rescuer and survivor at close range. Keystone Photo Shows: - On

ZUM4842034

E.DEORBIT: a satellite to clean space - E.Deorbit grabbing debris - An artist's view of the e.deorbit satellite (left) catching a satellite with a robotic arm to take it to consume itself in the Earth's atmosphere. e.Deorbit is a European mission project that if approved in 2019 will start in 2024. This satellite will be the first to clean up space debris. He would remove the larger objects with his arm or a net, before discharging them into the atmosphere, or they would be destroyed. ESA's proposed e.Deorbit mission, shown left, using a robotic arm to catch a derelict satellite - the baseline capture method for what would be the world's first active space debris removal mission, in 2024. The mission would first rendezvous with a large, drifting ESA satellite, then capture and secure it safely ahead of steering the combination down for a controlled burn-up in the atmosphere. As well as the baselined robot arm, additional capture technologies are being investigated, including a net and

E.DEORBIT: a satellite to clean space - E.Deorbit grabbing debris - An artist's view of the e.deorbit satellite (left) catching a satellite with a robotic arm to take it to consume itself in the Earth's atmosphere. e.Deorbit is a European mission project that if approved in 2019 will start in 2024. This satellite will be the first to clean up space debris. He would remove the larger objects with his arm or a net, before discharging them into the atmosphere, or they would be destroyed. ESA's proposed e.Deorbit mission, shown left, using a robotic arm to catch a derelict satellite - the baseline capture method for what would be the world's first active space debris removal mission, in 2024. The mission would first rendezvous with a large, drifting ESA satellite, then capture and secure it safely ahead of steering the combination down for a controlled burn-up in the atmosphere. As well as the baselined robot arm, additional capture technologies are being investigated, including a net and

D. Ducros

PIX4605477

Cutaway of a womb showing the placenta, umbilical cord and baby (engraving)

Cutaway of a womb showing the placenta, umbilical cord and baby (engraving)

German School, (19th century)

LLM3097132

Saturn en jour seen by Cassini - Backlit Saturn seen by Cassini - Image obtained by the Cassini probe on October 17, 2012 at a distance of 800,000 km from the planet. At the bottom left of the image, the two brilliant dots are the Enceladus and Tethys satellites. Nasa's Cassini spacecraft has delivered a glorious view of Saturn, taken while the spacecraft was in Saturn's shadow. The cameras were turned toward Saturn and the sun so that the planet and rings are backlit. (The sun is behind the planet, which is shielding the cameras from direct sunlight.) In addition to the visual splendor, this special, very - high - phase viewing geometry lets scientists study ring and atmosphere phenomena not easily seen at a lower phase. Also captured in this image are two of Saturn's moons: Enceladus and Tethys. Both appear on the left side of the planet, below the rings. Enceladus is closer to the rings; Tethys is below and to the left. This view looks toward the non - illuminated side of the rings

Saturn en jour seen by Cassini - Backlit Saturn seen by Cassini - Image obtained by the Cassini probe on October 17, 2012 at a distance of 800,000 km from the planet. At the bottom left of the image, the two brilliant dots are the Enceladus and Tethys satellites. Nasa's Cassini spacecraft has delivered a glorious view of Saturn, taken while the spacecraft was in Saturn's shadow. The cameras were turned toward Saturn and the sun so that the planet and rings are backlit. (The sun is behind the planet, which is shielding the cameras from direct sunlight.) In addition to the visual splendor, this special, very - high - phase viewing geometry lets scientists study ring and atmosphere phenomena not easily seen at a lower phase. Also captured in this image are two of Saturn's moons: Enceladus and Tethys. Both appear on the left side of the planet, below the rings. Enceladus is closer to the rings; Tethys is below and to the left. This view looks toward the non - illuminated side of the rings

PIX4625007

Tethys and Titan, Saturn satellites - Tethys and Titan - The Tethys satellite passes behind the Titan satellite. These images were taken 18 minutes apart (the first image taken is on the right) by the Cassini probe on 26 November 2009 at a distance of 1 million km from Titan and 2.2 million km from Tethys. Saturn's moon Tethys with its prominent Odysseus Crater silently slips behind Saturn's largest moon Titan and then emerges on the other side. Tethys is not actually enshrouded in Titan's atmosphere. Tethys (1,062 kilometers, or 660 miles across) is more than twice as far from Cassini than Titan (5,150 kilometers, or 3,200 miles across) in this sequence. Tethys is 2.2 million kilometers (1.4 million miles) from Cassini. Titan is about 1 million kilometers (621,000 miles) away. These two color views were captured about 18 minutes apart, with the view on the right taking place first. These images are part of a mutual event sequence in which one moon passes close to or in front of anothe

Tethys and Titan, Saturn satellites - Tethys and Titan - The Tethys satellite passes behind the Titan satellite. These images were taken 18 minutes apart (the first image taken is on the right) by the Cassini probe on 26 November 2009 at a distance of 1 million km from Titan and 2.2 million km from Tethys. Saturn's moon Tethys with its prominent Odysseus Crater silently slips behind Saturn's largest moon Titan and then emerges on the other side. Tethys is not actually enshrouded in Titan's atmosphere. Tethys (1,062 kilometers, or 660 miles across) is more than twice as far from Cassini than Titan (5,150 kilometers, or 3,200 miles across) in this sequence. Tethys is 2.2 million kilometers (1.4 million miles) from Cassini. Titan is about 1 million kilometers (621,000 miles) away. These two color views were captured about 18 minutes apart, with the view on the right taking place first. These images are part of a mutual event sequence in which one moon passes close to or in front of anothe

PIX4625332

Planetary nebula Helix (NGC 7293), located in Aquarius, is one of the closest to Earth (c. 690 light years) Image by the 2.2m Max Planck Society/ESO/MPG telescope of the La Silla Observatory in Chile.

Planetary nebula Helix (NGC 7293), located in Aquarius, is one of the closest to Earth (c. 690 light years) Image by the 2.2m Max Planck Society/ESO/MPG telescope of the La Silla Observatory in Chile.

PIX4623684

Galaxies Group: Stephan's Quintet in Pegase - Stephan's Quintet group of galaxies - Image obtained with the Hubble space telescope. This group of 5 galaxies is located about 270 million light years away from Earth. In this image three star-forming regions are visible: in the long arm of NGC 7319 (near the center); the gas debris of two galaxies, NGC 7318B and NGC 7318A (upper right); and in the upper left. Blue indicates that these stars are young. This NASA/ESA Hubble Space Telescope image is a close - up view of the central part of Stephan's Quintet, giving a magnificent view of a gigantic cosmic collision. Stephan's Quintet, as its name implies, is a group of five galaxies (NGC7317, 7318A, 7318B, 7319 and 7320) and lies about 270 million light - years away in the constellation of Pegasus (North - west of the Great Square of Pegasus). A sixth galaxy (NGC 7320C) lies south - east of the other five (upper left - hand corner of the overview image). The galaxy group was the first of its

Galaxies Group: Stephan's Quintet in Pegase - Stephan's Quintet group of galaxies - Image obtained with the Hubble space telescope. This group of 5 galaxies is located about 270 million light years away from Earth. In this image three star-forming regions are visible: in the long arm of NGC 7319 (near the center); the gas debris of two galaxies, NGC 7318B and NGC 7318A (upper right); and in the upper left. Blue indicates that these stars are young. This NASA/ESA Hubble Space Telescope image is a close - up view of the central part of Stephan's Quintet, giving a magnificent view of a gigantic cosmic collision. Stephan's Quintet, as its name implies, is a group of five galaxies (NGC7317, 7318A, 7318B, 7319 and 7320) and lies about 270 million light - years away in the constellation of Pegasus (North - west of the Great Square of Pegasus). A sixth galaxy (NGC 7320C) lies south - east of the other five (upper left - hand corner of the overview image). The galaxy group was the first of its

PIX4565462

E.DEORBIT: a satellite to clean up space - E.Deorbit grabbing debris - Artist view of the satellite e.deorbit (right) catching a satellite with a net to take it to consume in the Earth's atmosphere. e.Deorbit is a European mission project that if approved in 2019 will start in 2024. This satellite will be the first to clean up space debris. He would recapture the larger objects with his articulated arm or a net, before discharging them into the atmosphere, or they would be destroyed. ESA's proposed e.Deorbit mission, shown right, using a net to catch a derelict satellite - the baseline capture method for what would be the world's first active space debris removal mission, in 2024. The mission would first rendezvous with a large, drifting ESA satellite, then capture and secure it safely ahead of steering the combination down for a controlled burn-up in the atmosphere. As well as the baselined robot arm, additional capture technologies are being investigated, including a net and harpon.

E.DEORBIT: a satellite to clean up space - E.Deorbit grabbing debris - Artist view of the satellite e.deorbit (right) catching a satellite with a net to take it to consume in the Earth's atmosphere. e.Deorbit is a European mission project that if approved in 2019 will start in 2024. This satellite will be the first to clean up space debris. He would recapture the larger objects with his articulated arm or a net, before discharging them into the atmosphere, or they would be destroyed. ESA's proposed e.Deorbit mission, shown right, using a net to catch a derelict satellite - the baseline capture method for what would be the world's first active space debris removal mission, in 2024. The mission would first rendezvous with a large, drifting ESA satellite, then capture and secure it safely ahead of steering the combination down for a controlled burn-up in the atmosphere. As well as the baselined robot arm, additional capture technologies are being investigated, including a net and harpon.

D. Ducros

PIX4605506

Turning a baby in its mother's womb so the head is presenting downwards before birth (engraving)

Turning a baby in its mother's womb so the head is presenting downwards before birth (engraving)

German School, (19th century)

LLM3097134

Irregular galaxy NGC 6822 in Sagittarius - Irregular galaxy NGC 6822 in Sagittarius - The galaxy NGC 6822 is about 1.6 million years away - light from Earth. She belongs to our local group. Image obtained with a telescope of 35 cm, 12 hours of poses. The irregular dwarf galaxy NGC 6822 is located at only 1,6 million light year. It is a member of our local group and the third nearest galaxy to the Milky Way after the Sagittarius Dwarf Elliptical and the Magellanic Clouds. The galaxy was discovered by Barnard in 1881 using a 6 inch refractor. It is very similar to the LMC with its weak bar and its irregular distribution of bright OB associations and HII regions. In 1925 in a classic paper, Edwin Hubble reported on several bright objects in NGC 6822, later found to represent a grouping of bright star clusters and HII regions. The galaxy is rich in neutral hydrogen gas, the essential fuel of star formation. NGC 6822 started forming stars some 10 billion years ago. Similar to the LMC it has

Irregular galaxy NGC 6822 in Sagittarius - Irregular galaxy NGC 6822 in Sagittarius - The galaxy NGC 6822 is about 1.6 million years away - light from Earth. She belongs to our local group. Image obtained with a telescope of 35 cm, 12 hours of poses. The irregular dwarf galaxy NGC 6822 is located at only 1,6 million light year. It is a member of our local group and the third nearest galaxy to the Milky Way after the Sagittarius Dwarf Elliptical and the Magellanic Clouds. The galaxy was discovered by Barnard in 1881 using a 6 inch refractor. It is very similar to the LMC with its weak bar and its irregular distribution of bright OB associations and HII regions. In 1925 in a classic paper, Edwin Hubble reported on several bright objects in NGC 6822, later found to represent a grouping of bright star clusters and HII regions. The galaxy is rich in neutral hydrogen gas, the essential fuel of star formation. NGC 6822 started forming stars some 10 billion years ago. Similar to the LMC it has

R. Gendler

PIX4613022

Orion Nebula - M42 - M43 - The Great Nebula in Orion - Located 1500 years - light, the Orion Nebula is the closest region to the formation of stars of the Sun. Image obtained from the 2.2 meter MPG/ESO telescope of the La Silla Observatory. The Orion Nebula is the greatest of all HII clouds visible from our location within the Milky Way. With a gaseous repository of 10,000 suns, and illuminated by a cluster of hot young stars, the clouds of M42 glow with fantastic colors and shapes, giving us a birds eye view of one of the greatest star forming nurseries in our part of the galaxy. At a distance of 1500 light years, the Orion nebula is the nearest star - forming region to the Sun. This new image of the Orion Nebula was captured using the Wide Field Imager camera on the MPG/ESO 2.2 - metre telescope at the La Silla Observatory, Chile. This image is a composite of several exposures taken through a total of five different filters. Light that passed through a red filter, as well as light fr

Orion Nebula - M42 - M43 - The Great Nebula in Orion - Located 1500 years - light, the Orion Nebula is the closest region to the formation of stars of the Sun. Image obtained from the 2.2 meter MPG/ESO telescope of the La Silla Observatory. The Orion Nebula is the greatest of all HII clouds visible from our location within the Milky Way. With a gaseous repository of 10,000 suns, and illuminated by a cluster of hot young stars, the clouds of M42 glow with fantastic colors and shapes, giving us a birds eye view of one of the greatest star forming nurseries in our part of the galaxy. At a distance of 1500 light years, the Orion nebula is the nearest star - forming region to the Sun. This new image of the Orion Nebula was captured using the Wide Field Imager camera on the MPG/ESO 2.2 - metre telescope at the La Silla Observatory, Chile. This image is a composite of several exposures taken through a total of five different filters. Light that passed through a red filter, as well as light fr

PIX4617791

Nebula of the Rosette in the Unicorn seen in false colors - Rosette nebula in Monoceros - The nebula of the Rosette is a vast cloud of dust and gas situated about 5500 years - light from the Earth. In the center of the nebula, a cluster of blue stars, NGC 2244, formed less than a million years ago. Image in false colors obtained by Kitt Peak's 90 cm telescope. The Rosetta Nebula is a vast cloud of dust and gas, extending over an area of more than 1 degree across, or about 5 times the area covered by the full moon. Its parts have been assigned different NGC numbers: 2237, 2238, 2239, and 2246. Within the nebula, open star cluster NGC 2244 is situated, consisted of the young stars which recently formed from the nebula's material, and the brightest of which make the nebula shine by exciting its atoms to emit radiation. This stunning emission - line image of the Rosette nebula (NGC2237) in the constellation Monoceros (the Unicorn) was taken at the National Science Foundation's 0.9 - m tele

Nebula of the Rosette in the Unicorn seen in false colors - Rosette nebula in Monoceros - The nebula of the Rosette is a vast cloud of dust and gas situated about 5500 years - light from the Earth. In the center of the nebula, a cluster of blue stars, NGC 2244, formed less than a million years ago. Image in false colors obtained by Kitt Peak's 90 cm telescope. The Rosetta Nebula is a vast cloud of dust and gas, extending over an area of more than 1 degree across, or about 5 times the area covered by the full moon. Its parts have been assigned different NGC numbers: 2237, 2238, 2239, and 2246. Within the nebula, open star cluster NGC 2244 is situated, consisted of the young stars which recently formed from the nebula's material, and the brightest of which make the nebula shine by exciting its atoms to emit radiation. This stunning emission - line image of the Rosette nebula (NGC2237) in the constellation Monoceros (the Unicorn) was taken at the National Science Foundation's 0.9 - m tele

PIX4618453

Nebula IC 4628 in Scorpio - Nebula IC 4628 in Scorpius - Nebula has a low light emission, IC 4628 (or Gum 56) is alongside the open cluster Collinder 316, which houses many young hot stars. Image obtained through 3 different filters that highlight oxygen (blue), hydrogen (green), and sulfur (red). This beautiful, arc - like rim of nebulosity is in the far southern sky, out of sight from most of the USA and Europe. It is quite faint and has often been overlooked because of it, even by southern observers. However, it is in a rich region in Scorpius. This richness is reflected in the number of names associated with the objects in the field illustrated here. There is a large scattered star cluster, Collinder 316 which extends over most of the picture. It encloses Trumpler 24, more or less the same cluster under another name, and all of this is part of the Sco OB1 association, a much larger gathering of very hot, intrinsically luminous stars in this part of the sky. The nebula itself is als

Nebula IC 4628 in Scorpio - Nebula IC 4628 in Scorpius - Nebula has a low light emission, IC 4628 (or Gum 56) is alongside the open cluster Collinder 316, which houses many young hot stars. Image obtained through 3 different filters that highlight oxygen (blue), hydrogen (green), and sulfur (red). This beautiful, arc - like rim of nebulosity is in the far southern sky, out of sight from most of the USA and Europe. It is quite faint and has often been overlooked because of it, even by southern observers. However, it is in a rich region in Scorpius. This richness is reflected in the number of names associated with the objects in the field illustrated here. There is a large scattered star cluster, Collinder 316 which extends over most of the picture. It encloses Trumpler 24, more or less the same cluster under another name, and all of this is part of the Sco OB1 association, a much larger gathering of very hot, intrinsically luminous stars in this part of the sky. The nebula itself is als

Tom Davis

PIX4622673

Malpresentation of babies in the womb before birth (engraving)

Malpresentation of babies in the womb before birth (engraving)

German School, (19th century)

LLM3097131

Pregnancy (colour litho)

Pregnancy (colour litho)

German School, (19th century)

LLM3097101

March - Spirit - View during the descent of Husband Hill. 11/2005 - Martian surface seen from the rover Spirit. 11/2005 - Panorama of 360 degres obtained by Spirit from 23 to 28 November 2005. The summit of Husband Hill rises 100 m above the surrounding plateau. The Rover Spirit landed on Mars in the Gusev crater area on July 4, 2004. In late November 2005 while descending “” Husband Hill,””” Nasa's Mars Exploration Rover Spirit took the most detailed panorama so far of the “” Inner Basin,”” the rover's next target destination. Spirit acquired the 405 individual images that make up this 360 - degree view of the surrounding terrain using five different filters on the panoramic camera. The rover took the images on Martian days, or sols, 672 to 677 (Nov. 23 to 28, 2005). Spirit acquired this more oblique view, known as the “” Seminole panorama,”” from about halfway down the south flank of Husband Hill, 50 meters (164 feet) or so below the summit. Near the center of the panorama, on the ho

March - Spirit - View during the descent of Husband Hill. 11/2005 - Martian surface seen from the rover Spirit. 11/2005 - Panorama of 360 degres obtained by Spirit from 23 to 28 November 2005. The summit of Husband Hill rises 100 m above the surrounding plateau. The Rover Spirit landed on Mars in the Gusev crater area on July 4, 2004. In late November 2005 while descending “” Husband Hill,””” Nasa's Mars Exploration Rover Spirit took the most detailed panorama so far of the “” Inner Basin,”” the rover's next target destination. Spirit acquired the 405 individual images that make up this 360 - degree view of the surrounding terrain using five different filters on the panoramic camera. The rover took the images on Martian days, or sols, 672 to 677 (Nov. 23 to 28, 2005). Spirit acquired this more oblique view, known as the “” Seminole panorama,”” from about halfway down the south flank of Husband Hill, 50 meters (164 feet) or so below the summit. Near the center of the panorama, on the ho

PIX4615699

Orion Nebula - M42 - M43 - The Great Nebula in Orion - Located 1500 years - light, the Orion Nebula is the closest region to the formation of stars of the Sun. Image obtained from the 2.2 meter MPG/ESO telescope of the La Silla Observatory. The Orion Nebula is the greatest of all HII clouds visible from our location within the Milky Way. With a gaseous repository of 10,000 suns, and illuminated by a cluster of hot young stars, the clouds of M42 glow with fantastic colors and shapes, giving us a birds eye view of one of the greatest star forming nurseries in our part of the galaxy. At a distance of 1500 light years, the Orion nebula is the nearest star - forming region to the Sun. This new image of the Orion Nebula was captured using the Wide Field Imager camera on the MPG/ESO 2.2 - metre telescope at the La Silla Observatory, Chile. This image is a composite of several exposures taken through a total of five different filters. Light that passed through a red filter, as well as light fr

Orion Nebula - M42 - M43 - The Great Nebula in Orion - Located 1500 years - light, the Orion Nebula is the closest region to the formation of stars of the Sun. Image obtained from the 2.2 meter MPG/ESO telescope of the La Silla Observatory. The Orion Nebula is the greatest of all HII clouds visible from our location within the Milky Way. With a gaseous repository of 10,000 suns, and illuminated by a cluster of hot young stars, the clouds of M42 glow with fantastic colors and shapes, giving us a birds eye view of one of the greatest star forming nurseries in our part of the galaxy. At a distance of 1500 light years, the Orion nebula is the nearest star - forming region to the Sun. This new image of the Orion Nebula was captured using the Wide Field Imager camera on the MPG/ESO 2.2 - metre telescope at the La Silla Observatory, Chile. This image is a composite of several exposures taken through a total of five different filters. Light that passed through a red filter, as well as light fr

PIX4617824

Podalic version during childbirth (engraving)

Podalic version during childbirth (engraving)

German School, (19th century)

LLM3097133

Mars - View of the south pole - Mars South pole - Image of part of the southern polar cap of Mars obtained by the Mars Express probe on December 17, 2012. The bright white region of this image shows the icy cap that covers Mars' south pole, composed of frozen water and carbon dioxide. While it looks smooth in this image, at close quarters the cap is a layered mix of peaks, troughs and flat plains, and has been likened in appearance to swiss cheese. The southern cap reaches some 3 km thick in places, and is around 350 km in diameter. This icy region is permanent; in the martian winter another, thinner ice cap forms over the top of it, stretching further out across the planet and disappearing again when the weather warms up. The cap is around 150 km north of Mars' geographical south pole and Mars Express has shed light on why this ice cap is displaced. Deep impact craters - notably the Hellas Basin, the largest impact structure on the entire planet at 7 km deep and 2300 km across - funne

Mars - View of the south pole - Mars South pole - Image of part of the southern polar cap of Mars obtained by the Mars Express probe on December 17, 2012. The bright white region of this image shows the icy cap that covers Mars' south pole, composed of frozen water and carbon dioxide. While it looks smooth in this image, at close quarters the cap is a layered mix of peaks, troughs and flat plains, and has been likened in appearance to swiss cheese. The southern cap reaches some 3 km thick in places, and is around 350 km in diameter. This icy region is permanent; in the martian winter another, thinner ice cap forms over the top of it, stretching further out across the planet and disappearing again when the weather warms up. The cap is around 150 km north of Mars' geographical south pole and Mars Express has shed light on why this ice cap is displaced. Deep impact craters - notably the Hellas Basin, the largest impact structure on the entire planet at 7 km deep and 2300 km across - funne

PIX4616189

Spiral galaxy NGC 7331 in Pegase - Spiral galaxy NGC 7331 in Pegasus: The galaxy NGC 7331 is located about 45 million light years away from Earth. Image obtained with the Hubble Space Telescope. NGC 7331 is located about 45 million light-years away in the constellation of Pegasus (The Winged Horse). Facing us partially edge-on, the galaxy showcases it's beautiful arms which swirl like a whirlpool around its bright central region. Astronomers took this image using Hubble's Wide Field Camera 3 (WFC3), as they were observing an extraordinary exploding star - a supernova - which can still be faintly seen as a tiny red dot near the galaxy's central yellow core. Named SN2014C, it rapidly evolved from a supernova containing very little Hydrogen to one that is Hydrogen-rich - in just one year. This rarely observed metamorphosis was luminous at high energies and provides unique insight into the poorly understood final phases of massive stars. NGC 7331 is similar in size, shape, and mass to the

Spiral galaxy NGC 7331 in Pegase - Spiral galaxy NGC 7331 in Pegasus: The galaxy NGC 7331 is located about 45 million light years away from Earth. Image obtained with the Hubble Space Telescope. NGC 7331 is located about 45 million light-years away in the constellation of Pegasus (The Winged Horse). Facing us partially edge-on, the galaxy showcases it's beautiful arms which swirl like a whirlpool around its bright central region. Astronomers took this image using Hubble's Wide Field Camera 3 (WFC3), as they were observing an extraordinary exploding star - a supernova - which can still be faintly seen as a tiny red dot near the galaxy's central yellow core. Named SN2014C, it rapidly evolved from a supernova containing very little Hydrogen to one that is Hydrogen-rich - in just one year. This rarely observed metamorphosis was luminous at high energies and provides unique insight into the poorly understood final phases of massive stars. NGC 7331 is similar in size, shape, and mass to the

PIX4613167

Planetary nebula M57 (NGC 6720) in Lyra - M57 (NGC 6720) planetary nebula in Lyra - The planetary nebula of Lyra (M57) is located about 2000 years - light from Earth. With a magnitude of 9.0, this nebula is easily observed with a small telescope. A planetary nebula is a gas shell from a small late-life star whose heart collapsed to become a white dwarf and expelled the outer layers of its matter. Composite image obtained by different telescopes. The Ring Nebula, M57, is the most famous example of a planetary nebula. Located about 2,000 light years away, it has an apparent diameter of 1 arc minute and a real diameter of about one light year. At magnitude 9.0 its high surface brightness makes it an easy object, even from the city and even with small telescopes. Planetary nebula are shells of gas shed by stars late in their life cycles after using up all of their nuclear fuel. The star then ejects a significant portion of its mass in a gaseous shell, which is illuminated by its extremely

Planetary nebula M57 (NGC 6720) in Lyra - M57 (NGC 6720) planetary nebula in Lyra - The planetary nebula of Lyra (M57) is located about 2000 years - light from Earth. With a magnitude of 9.0, this nebula is easily observed with a small telescope. A planetary nebula is a gas shell from a small late-life star whose heart collapsed to become a white dwarf and expelled the outer layers of its matter. Composite image obtained by different telescopes. The Ring Nebula, M57, is the most famous example of a planetary nebula. Located about 2,000 light years away, it has an apparent diameter of 1 arc minute and a real diameter of about one light year. At magnitude 9.0 its high surface brightness makes it an easy object, even from the city and even with small telescopes. Planetary nebula are shells of gas shed by stars late in their life cycles after using up all of their nuclear fuel. The star then ejects a significant portion of its mass in a gaseous shell, which is illuminated by its extremely

PIX4623359

Asteroides Ceres and Vesta seen by the Hubble space telescope - Asteroids Ceres and Vesta seen by the Hubble space telescope - Ceres and Vesta are the two largest bodies of the asteroid belt, a region located between Mars and Jupiter. Since August 2006, Ceres is considered a dwarf planet. Ceres (left) has a diameter of about 950 km. Image obtained in January 2004. The image on the right, obtained on 14 and 16 May 2007, shows the asteroid Vesta. Its diameter is about 530 km. These Hubble Space Telescope images of Vesta and Ceres show two of the most massive asteroids in the asteroid belt, a region between Mars and Jupiter. At least 100,000 asteroids inhabit the asteroid belt, a reservoir of leftover material from the formation of our solar-system planets 4.6 billion years ago. The International Astronomical Union named Ceres one of three dwarf planets in 2006. Ceres is round like planets in our solar system, but it does not clear debris out of its orbit as our planets do. The image at r

Asteroides Ceres and Vesta seen by the Hubble space telescope - Asteroids Ceres and Vesta seen by the Hubble space telescope - Ceres and Vesta are the two largest bodies of the asteroid belt, a region located between Mars and Jupiter. Since August 2006, Ceres is considered a dwarf planet. Ceres (left) has a diameter of about 950 km. Image obtained in January 2004. The image on the right, obtained on 14 and 16 May 2007, shows the asteroid Vesta. Its diameter is about 530 km. These Hubble Space Telescope images of Vesta and Ceres show two of the most massive asteroids in the asteroid belt, a region between Mars and Jupiter. At least 100,000 asteroids inhabit the asteroid belt, a reservoir of leftover material from the formation of our solar-system planets 4.6 billion years ago. The International Astronomical Union named Ceres one of three dwarf planets in 2006. Ceres is round like planets in our solar system, but it does not clear debris out of its orbit as our planets do. The image at r

PIX4583529

Switzerland Newsreel Phone (b/w photo)

Switzerland Newsreel Phone (b/w photo)

Walter Henggeler

KES6251405

Delivering a baby feet first (breech birth) (engraving)

Delivering a baby feet first (breech birth) (engraving)

German School, (19th century)

LLM3097135

Saturn rings seen in ultraviolet by Cassini - Saturn's rings in utraviolet - Saturn rings seen in ultraviolet by the Cassini probe. The colours indicate a different distribution of the material within the rings. This false - color image of Saturn's main rings was made by combining data from multiple star occultations using the Cassini ultraviolet imaging spectrograph. During occultations, scientists observe the brightness of a star as the rings pass in front of the star. This provides a measurement of the amount of ring material between the spacecraft and the star. Cassini has given scientists the most detailed view yet of Saturn's densely packed B ring. Cassini found that this part of the rings is densely packed with clumps, called self - gravity wakes, separated by almost empty gaps. These clumps in Saturn's B ring are neatly organized and constantly colliding, which surprised scientists. The clumps in Saturn's B ring, 30 to 50 meters (100 to 160 feet) across, are too small to be see

Saturn rings seen in ultraviolet by Cassini - Saturn's rings in utraviolet - Saturn rings seen in ultraviolet by the Cassini probe. The colours indicate a different distribution of the material within the rings. This false - color image of Saturn's main rings was made by combining data from multiple star occultations using the Cassini ultraviolet imaging spectrograph. During occultations, scientists observe the brightness of a star as the rings pass in front of the star. This provides a measurement of the amount of ring material between the spacecraft and the star. Cassini has given scientists the most detailed view yet of Saturn's densely packed B ring. Cassini found that this part of the rings is densely packed with clumps, called self - gravity wakes, separated by almost empty gaps. These clumps in Saturn's B ring are neatly organized and constantly colliding, which surprised scientists. The clumps in Saturn's B ring, 30 to 50 meters (100 to 160 feet) across, are too small to be see

PIX4625061

Ms Persan 151 Fol.32 Anatomical diagram of a woman and her foetus (vellum)

Ms Persan 151 Fol.32 Anatomical diagram of a woman and her foetus (vellum)

Mansour b. Eliyas Chirazi (fl.1425-50)

CHT176042

Saturn en jour vue par Cassini - Backlit Saturn seen by Cassini - Mosaic of 141 photos obtained by the Cassini probe on 19 July 2013 at a distance of 1.2 million km from the planet. The Cassini probe was then in the shadow of the Planet Saturn; this portrait of the Giant Planet highlights its ring system and seven of its satellites appear in the image. The planets Mars, Venus and Earth are also visible. On July 19, 2013, Nasa's Cassini spacecraft slipped into Saturn's shadow and turned to image the planet, seven of its moons, its inner rings - and, in the background, our home planet, Earth. With both Cassini's wide-angle and narrow-angle cameras aimed at Saturn, Cassini was able to capture 323 images in just over four hours. This final mosaic uses 141 of those wide-angle images. Images taken using the red, green and blue spectral filters of the wide-angle camera were combined and mosaicked together to create this natural-color view. This image spans about 404,880 miles (651,591 kilomet

Saturn en jour vue par Cassini - Backlit Saturn seen by Cassini - Mosaic of 141 photos obtained by the Cassini probe on 19 July 2013 at a distance of 1.2 million km from the planet. The Cassini probe was then in the shadow of the Planet Saturn; this portrait of the Giant Planet highlights its ring system and seven of its satellites appear in the image. The planets Mars, Venus and Earth are also visible. On July 19, 2013, Nasa's Cassini spacecraft slipped into Saturn's shadow and turned to image the planet, seven of its moons, its inner rings - and, in the background, our home planet, Earth. With both Cassini's wide-angle and narrow-angle cameras aimed at Saturn, Cassini was able to capture 323 images in just over four hours. This final mosaic uses 141 of those wide-angle images. Images taken using the red, green and blue spectral filters of the wide-angle camera were combined and mosaicked together to create this natural-color view. This image spans about 404,880 miles (651,591 kilomet

PIX4625315

Barree spiral galaxy NGC 4639 in Virgo - Barred galaxy NGC 4639 in Virgo - The barree spiral galaxy NGC 4639 is located 78 million years - light in the Virgin's galaxy cluster. The blue dots visible on this image obtained by the Hubble Space Telescope are young stars. Other stars, cepheides have also been observed in this galaxy, allowing us to measure their distance with precision. This Hubble Space Telescope image shows NGC 4639, a spiral galaxy located 78 million light - years away in the Virgo cluster of galaxies. The blue dots in the galaxy's outlying regions indicate the presence of young stars. Among them are older, bright stars called Cepheids, which are used as reliable milepost markers to obtain accurate distances to nearby galaxies. Astronomers measure the brightness of Cepheids to calculate the distance to a galaxy. After using Cepheids to calculate the distance to NGC 4639, the team compared the results to the peak brightness measurements of SN 1990N, a type Ia supernova l

Barree spiral galaxy NGC 4639 in Virgo - Barred galaxy NGC 4639 in Virgo - The barree spiral galaxy NGC 4639 is located 78 million years - light in the Virgin's galaxy cluster. The blue dots visible on this image obtained by the Hubble Space Telescope are young stars. Other stars, cepheides have also been observed in this galaxy, allowing us to measure their distance with precision. This Hubble Space Telescope image shows NGC 4639, a spiral galaxy located 78 million light - years away in the Virgo cluster of galaxies. The blue dots in the galaxy's outlying regions indicate the presence of young stars. Among them are older, bright stars called Cepheids, which are used as reliable milepost markers to obtain accurate distances to nearby galaxies. Astronomers measure the brightness of Cepheids to calculate the distance to a galaxy. After using Cepheids to calculate the distance to NGC 4639, the team compared the results to the peak brightness measurements of SN 1990N, a type Ia supernova l

PIX4611731

Spiral Galaxy NGC 4452 - Galaxy Spiral NGC 4452 - NGC 4452 is located about 60 million light years away from Earth in the galaxy cluster of Our Lady. Seen from the Earth, this spiral galaxy is presented by the slice, leaving only the thickness of its disc visible. Image obtained by the Hubble Space Telescope. The NASA/ESA Hubble Space Telescope has imaged a striking galaxy called NGC 4452, which appears to lie exactly edge - on as seen from Earth. The bright nucleus can be seen at the centre, along with the very thin disc that looks like a straight line from our unusual viewing position. To complete the picture, a hazy halo of stars on the periphery of the galaxy makes it seem to glow. NGC 4452 was first seen by William Herschel in 1784 with his 47 cm telescope in England. He described the object as a bright nebula, small and very much elongated. The new Hubble image shows just how elongated this unusual object really is. NGC 4452 is part of the Virgo Cluster, so - called because many

Spiral Galaxy NGC 4452 - Galaxy Spiral NGC 4452 - NGC 4452 is located about 60 million light years away from Earth in the galaxy cluster of Our Lady. Seen from the Earth, this spiral galaxy is presented by the slice, leaving only the thickness of its disc visible. Image obtained by the Hubble Space Telescope. The NASA/ESA Hubble Space Telescope has imaged a striking galaxy called NGC 4452, which appears to lie exactly edge - on as seen from Earth. The bright nucleus can be seen at the centre, along with the very thin disc that looks like a straight line from our unusual viewing position. To complete the picture, a hazy halo of stars on the periphery of the galaxy makes it seem to glow. NGC 4452 was first seen by William Herschel in 1784 with his 47 cm telescope in England. He described the object as a bright nebula, small and very much elongated. The new Hubble image shows just how elongated this unusual object really is. NGC 4452 is part of the Virgo Cluster, so - called because many

PIX4611380

Do not mis-use mail bags - They cost money, 1960 (colour litho)

Do not mis-use mail bags - They cost money, 1960 (colour litho)

Shamir, Maxim (fl.1960)

PST2906991

Spiral galaxy NGC 406 in Toucan - Spiral galaxy NGC 406 in Tucana - NGC 406 is a spiral galaxy located at a distance of about 65 million light years in the southern constellation of Toucan. Image obtained by the Hubble Space Telescope. The spiral galaxy NGC 406 was discovered in 1834 by John Herschel and is here imaged in great detail by the NASA/ESA Hubble Space Telescope. Located some 65 million light - years away, in the southern constellation of Tucana (the Toucan), NGC 406 is about 60 000 light - years across, roughly half the diameter of our galaxy, the Milky Way. In a moderate - sized amateur telescope NGC 406 would appear as a faint hazy blob, like thousands of others across the sky, and none of the spectacular fine detail in the Hubble picture could be made out. In this image the galaxy exhibits spiral arms that are mainly populated by young, massive, bluish stars and crossed by dark dust lanes. As is typically observed in this kind of spiral galaxy, the yellowish central bulg

Spiral galaxy NGC 406 in Toucan - Spiral galaxy NGC 406 in Tucana - NGC 406 is a spiral galaxy located at a distance of about 65 million light years in the southern constellation of Toucan. Image obtained by the Hubble Space Telescope. The spiral galaxy NGC 406 was discovered in 1834 by John Herschel and is here imaged in great detail by the NASA/ESA Hubble Space Telescope. Located some 65 million light - years away, in the southern constellation of Tucana (the Toucan), NGC 406 is about 60 000 light - years across, roughly half the diameter of our galaxy, the Milky Way. In a moderate - sized amateur telescope NGC 406 would appear as a faint hazy blob, like thousands of others across the sky, and none of the spectacular fine detail in the Hubble picture could be made out. In this image the galaxy exhibits spiral arms that are mainly populated by young, massive, bluish stars and crossed by dark dust lanes. As is typically observed in this kind of spiral galaxy, the yellowish central bulg

PIX4609197

Active Galaxy NGC 1068 in the Whale - Active galaxy NGC 1068 - This composite image shows that a strong stellar wind escapes from the heart of the galaxy NGC 1068 or resides a massive black hole. NGC 1068 is located about 50 million light years away from Earth. Images obtained in X-ray by the Chandra satellite (red), visible by the Hubble space telescope (green) and radio waves (blue). This is a composite image of NGC 1068, one of the nearest and brightest galaxies containing a rapidly growing supermassive black hole. X - ray data from the Chandra X - ray Observatory are shown in red, optical data from the Hubble Space Telescope in green and radio data from the Very Large Array in blue. The spiral structure of NGC 1068 is shown by the X - ray and optical data, and a jet powered by the central supermassive black hole is shown by the radio data. The X - ray images and spectra obtained using Chandra's High Energy Transmission Grating Spectrometer show that a strong wind is being driven aw

Active Galaxy NGC 1068 in the Whale - Active galaxy NGC 1068 - This composite image shows that a strong stellar wind escapes from the heart of the galaxy NGC 1068 or resides a massive black hole. NGC 1068 is located about 50 million light years away from Earth. Images obtained in X-ray by the Chandra satellite (red), visible by the Hubble space telescope (green) and radio waves (blue). This is a composite image of NGC 1068, one of the nearest and brightest galaxies containing a rapidly growing supermassive black hole. X - ray data from the Chandra X - ray Observatory are shown in red, optical data from the Hubble Space Telescope in green and radio data from the Very Large Array in blue. The spiral structure of NGC 1068 is shown by the X - ray and optical data, and a jet powered by the central supermassive black hole is shown by the radio data. The X - ray images and spectra obtained using Chandra's High Energy Transmission Grating Spectrometer show that a strong wind is being driven aw

PIX4609662

Switzerland Diamond Grinder (b/w photo)

Switzerland Diamond Grinder (b/w photo)

Stringer (STR)

KES6250378

Beautiful and secure, 2008 (oil on canvas)

premium — Beautiful and secure, 2008 (oil on canvas)

Beautiful and secure, 2008 (oil on canvas)

Barr, Joel (b.1946)

SSI2219449

Liquid mirror telescope on the Moon - Lunar liquid mirror telescope - Illustration of an astronomical observatory on the Moon. Installs near the southern pole of the Moon, a giant telescope with liquid mirror, one kilometre in diameter. A giant liquid mirror telescope 1 kilometer wide (6 tenths of a mile) and 1 kilometer tall lies nestled in an approximately 1 kilometer wide crater near the Moon's south pole. In the foreground is a kind of lunar city for human habitation composed of pressurized and radiation-hardened living units. On the upper right are landing pads for transports arriving to and departing from the lunar surface. A liquid mirror telescope is a Newtonian reflecting type telescope that employs a reflecting liquid as the primary mirror. A concept first identified 300 years ago by Isaac Newton himself, the reflecting liquid assumes the proper paraboloidal shape by rotating the container the liquid is in. On Earth working liquid mirror telescopes have been created with diam

Liquid mirror telescope on the Moon - Lunar liquid mirror telescope - Illustration of an astronomical observatory on the Moon. Installs near the southern pole of the Moon, a giant telescope with liquid mirror, one kilometre in diameter. A giant liquid mirror telescope 1 kilometer wide (6 tenths of a mile) and 1 kilometer tall lies nestled in an approximately 1 kilometer wide crater near the Moon's south pole. In the foreground is a kind of lunar city for human habitation composed of pressurized and radiation-hardened living units. On the upper right are landing pads for transports arriving to and departing from the lunar surface. A liquid mirror telescope is a Newtonian reflecting type telescope that employs a reflecting liquid as the primary mirror. A concept first identified 300 years ago by Isaac Newton himself, the reflecting liquid assumes the proper paraboloidal shape by rotating the container the liquid is in. On Earth working liquid mirror telescopes have been created with diam

Walter B Myers

PIX4639385

Our galaxy -Artist's view - Our galaxy, the Milky Way - Artwork - Representation of our galaxy, the lactee path, with the position of our Sun. Following observations made in infrared by the Spitzer space telescope, astronomers believe that our galaxy is a spiral galaxy consisting of two main arms (Scutum-Centaurus and Perseus) visible from the extremities of a large central bar. Two smaller arms (Norma and Sagittarius) are located between the main arms. The main arms contain the highest densities in stars, the other two are essentially gas. A new spiral arm, called the arm of the kiloparsec Far-3, runs along the bar of the galaxy. Our sun is close to a small interrupted arm called Orion's arm, located between the arms of Sagittarius and Persee. The Lactee Way was previously thought to have four main arms. Using infrared images from Nasa's Spitzer Space Telescope, scientists have discovered that the Milky Way's elegant spiral structure is dominated by just two arms wrapping off the ends

Our galaxy -Artist's view - Our galaxy, the Milky Way - Artwork - Representation of our galaxy, the lactee path, with the position of our Sun. Following observations made in infrared by the Spitzer space telescope, astronomers believe that our galaxy is a spiral galaxy consisting of two main arms (Scutum-Centaurus and Perseus) visible from the extremities of a large central bar. Two smaller arms (Norma and Sagittarius) are located between the main arms. The main arms contain the highest densities in stars, the other two are essentially gas. A new spiral arm, called the arm of the kiloparsec Far-3, runs along the bar of the galaxy. Our sun is close to a small interrupted arm called Orion's arm, located between the arms of Sagittarius and Persee. The Lactee Way was previously thought to have four main arms. Using infrared images from Nasa's Spitzer Space Telescope, scientists have discovered that the Milky Way's elegant spiral structure is dominated by just two arms wrapping off the ends

PIX4638218

Supernova 1987A in the Great Magellan Cloud View by HST - This Hubble Space Telescope picture shows Supernova 1987A and its neighborhood. The series of four panels shows the evolution of the SN 1987A debris from February 1994 to February 1996. Material from the stellar interior was ejected into space during the supernova explosion in February 1987. The explosion debris is expanding at nearly 6 million miles per hour. Ten years now after the explosion, this cosmic fireball is large enough - - - about one - sixth of a light - year in diameter - - - to be resolved from the Earth's orbit with the Hubble Space Telescope. The debris is resolved into two opposing blobs and is dim in the center. The apparent direction of ejection is the same as the short axis of the bright inner ring that surrounds the supernova. This suggests that the explosion is directed out of the plane of the ring. The ring is probably composed of materials lost by the pre - supernova star in the last stages of its evolut

Supernova 1987A in the Great Magellan Cloud View by HST - This Hubble Space Telescope picture shows Supernova 1987A and its neighborhood. The series of four panels shows the evolution of the SN 1987A debris from February 1994 to February 1996. Material from the stellar interior was ejected into space during the supernova explosion in February 1987. The explosion debris is expanding at nearly 6 million miles per hour. Ten years now after the explosion, this cosmic fireball is large enough - - - about one - sixth of a light - year in diameter - - - to be resolved from the Earth's orbit with the Hubble Space Telescope. The debris is resolved into two opposing blobs and is dim in the center. The apparent direction of ejection is the same as the short axis of the bright inner ring that surrounds the supernova. This suggests that the explosion is directed out of the plane of the ring. The ring is probably composed of materials lost by the pre - supernova star in the last stages of its evolut

PIX4582338

Markarian Galaxy 817 - Galaxy Markarian 817 - The spiral galaxy Markarian 817 is located 430 million light years ago in the constellation Dragon. This galaxy houses in its heart a supermassive black hole. Image obtained by the Hubble Space Telescope on August 2, 2009. Rings of brilliant blue stars encircle the bright, active core of this spiral galaxy, whose monster black hole is blasting material into space at over 14 million kilometers per hour. Viewed nearly face - on, the galaxy, called Markarian 817, shows intense star - forming regions and dark bands of interstellar dust along its spiral arms. Observations by the new Cosmic Origins Spectrograph (COS) aboard the NASA/ESA Hubble Space Telescope captured the powerful outflow of material from this galaxy. The COS spectrum of Markarian 817 highlights the outflow's dynamic nature. A gas cloud containing hydrogen that was detected in Hubble data taken in 1997 does not appear in the COS observation because the cloud has apparently been d

Markarian Galaxy 817 - Galaxy Markarian 817 - The spiral galaxy Markarian 817 is located 430 million light years ago in the constellation Dragon. This galaxy houses in its heart a supermassive black hole. Image obtained by the Hubble Space Telescope on August 2, 2009. Rings of brilliant blue stars encircle the bright, active core of this spiral galaxy, whose monster black hole is blasting material into space at over 14 million kilometers per hour. Viewed nearly face - on, the galaxy, called Markarian 817, shows intense star - forming regions and dark bands of interstellar dust along its spiral arms. Observations by the new Cosmic Origins Spectrograph (COS) aboard the NASA/ESA Hubble Space Telescope captured the powerful outflow of material from this galaxy. The COS spectrum of Markarian 817 highlights the outflow's dynamic nature. A gas cloud containing hydrogen that was detected in Hubble data taken in 1997 does not appear in the COS observation because the cloud has apparently been d

PIX4613665

Venice and its lagoon - satellite view - 09/12/2001 Venice stretches out across numerous small islands in a marshy lagoon along the Adriatic Sea in northeastern Italy. The saltwater lagoon stretches along the shoreline between the mouths of the Po (sth) and Piave (nth) Rivers. This image from the Advanced Spaceborne Thermal Emission and Reflection Radiometer on the Terra satellite shows the watery city in spectacular detail, using false - color image enhancements that bring out the details of water and vegetation. The heart of Venice is on the island known as the Rialto, the largest island in the lagoon, which is just southwest of the center of this scene. The city is somewhat protected from the open sea by a row of sandbanks known as the Lido (east of Rialto), however, the city is continually under threat of flooding and erosion, and has been experimenting with tidal control measures for more than a thousand years. Four hundred bridges cross the labyrinth of canals that form the 120 i

Venice and its lagoon - satellite view - 09/12/2001 Venice stretches out across numerous small islands in a marshy lagoon along the Adriatic Sea in northeastern Italy. The saltwater lagoon stretches along the shoreline between the mouths of the Po (sth) and Piave (nth) Rivers. This image from the Advanced Spaceborne Thermal Emission and Reflection Radiometer on the Terra satellite shows the watery city in spectacular detail, using false - color image enhancements that bring out the details of water and vegetation. The heart of Venice is on the island known as the Rialto, the largest island in the lagoon, which is just southwest of the center of this scene. The city is somewhat protected from the open sea by a row of sandbanks known as the Lido (east of Rialto), however, the city is continually under threat of flooding and erosion, and has been experimenting with tidal control measures for more than a thousand years. Four hundred bridges cross the labyrinth of canals that form the 120 i

PIX4666419

Spiral galaxy NGC 2683 in Lynx - Spiral galaxy NGC 2683 in Lynx - Spiral galaxy NGC 2683 distant about 16 million years - light in the constellation Lynx. Image obtained by the Hubble Space Telescope (HST). NGC 2683 is a spiral galaxy seen almost edge - on, giving it the shape of a classic science fiction spaceship. The delicate dusty lanes of the spiral arms are silhouetted against the golden haze of the galaxy's core. In addition, brilliant clusters of young blue stars shine scattered throughout the disc, mapping the galaxy's star - forming regions. Perhaps surprisingly, side - on views of galaxies like this one do not prevent astronomers from deducing their structures. Studies of the properties of the light coming from NGC 2683 suggest that this is a barred spiral galaxy, even though the angle we see it at does not let us see this directly. NGC 2683, discovered on 5 February 1788 by the famous astronomer William Herschel, lies in the Northern constellation of Lynx. A constellation n

Spiral galaxy NGC 2683 in Lynx - Spiral galaxy NGC 2683 in Lynx - Spiral galaxy NGC 2683 distant about 16 million years - light in the constellation Lynx. Image obtained by the Hubble Space Telescope (HST). NGC 2683 is a spiral galaxy seen almost edge - on, giving it the shape of a classic science fiction spaceship. The delicate dusty lanes of the spiral arms are silhouetted against the golden haze of the galaxy's core. In addition, brilliant clusters of young blue stars shine scattered throughout the disc, mapping the galaxy's star - forming regions. Perhaps surprisingly, side - on views of galaxies like this one do not prevent astronomers from deducing their structures. Studies of the properties of the light coming from NGC 2683 suggest that this is a barred spiral galaxy, even though the angle we see it at does not let us see this directly. NGC 2683, discovered on 5 February 1788 by the famous astronomer William Herschel, lies in the Northern constellation of Lynx. A constellation n

PIX4610165

Tethys, Saturn satellite, seen by the Cassini probe - Saturn's moon Tethys seen by Cassini spacecraft: The Tethys satellite photographed by the Cassini probe on 11 April 2015 has a distance of 53,000 km from the satellite. Tethys is about 1070 km in diameter. - This enhancement-color mosaic of Saturn's icy moon Tethys shows a range of features on the moon's trailing hemisphere. Tethys is tidally locked to Saturn, so the trailing hemisphere is the side of the moon that always faces opposite its direction of motion as it orbits the planet - Images taken using clear, green, infrared and ultraviolet spectral filters were combined to create the view, which highlights subtle color differences across Tethys' surface at wavelengths not visible to human eyes. The moon's surface is fairly uniform in natural color - The color of the surface changes conspicuously across the disk, from yellowish hues to nearly white. These broad color changes are affected by a number of external processes. First, S

Tethys, Saturn satellite, seen by the Cassini probe - Saturn's moon Tethys seen by Cassini spacecraft: The Tethys satellite photographed by the Cassini probe on 11 April 2015 has a distance of 53,000 km from the satellite. Tethys is about 1070 km in diameter. - This enhancement-color mosaic of Saturn's icy moon Tethys shows a range of features on the moon's trailing hemisphere. Tethys is tidally locked to Saturn, so the trailing hemisphere is the side of the moon that always faces opposite its direction of motion as it orbits the planet - Images taken using clear, green, infrared and ultraviolet spectral filters were combined to create the view, which highlights subtle color differences across Tethys' surface at wavelengths not visible to human eyes. The moon's surface is fairly uniform in natural color - The color of the surface changes conspicuously across the disk, from yellowish hues to nearly white. These broad color changes are affected by a number of external processes. First, S

PIX4625625

Primitive black hole - Artist view - Primitive Black hole - Artist view - Artist view of a primitive galactic black hole. The presence of 13 billion-year-old black holes was observed by the Spitzer space telescope. These distant black holes appear in the early stages of their formation; their accretion disc contains no dust. This artist's conception illustrates one of the most primitive supermassive black holes known (central black dot) at the core of a young, star-rich galaxy. Astronomers using Nasa's Spitzer Space Telescope have uncovered two of these early objects, dating back to about 13 billion years ago. The monstrous black holes are among the most distant known, and appear to be in the very earliest stages of formation, earlier than any observed so far. Unlike all other supermassive black holes probed to date, this primitive duo, called J0005-0006 and J0303-0019, lacks dust. As the drawing shows, gas swirls around a black hole in what is called an accretion disk. Usually, the ac

Primitive black hole - Artist view - Primitive Black hole - Artist view - Artist view of a primitive galactic black hole. The presence of 13 billion-year-old black holes was observed by the Spitzer space telescope. These distant black holes appear in the early stages of their formation; their accretion disc contains no dust. This artist's conception illustrates one of the most primitive supermassive black holes known (central black dot) at the core of a young, star-rich galaxy. Astronomers using Nasa's Spitzer Space Telescope have uncovered two of these early objects, dating back to about 13 billion years ago. The monstrous black holes are among the most distant known, and appear to be in the very earliest stages of formation, earlier than any observed so far. Unlike all other supermassive black holes probed to date, this primitive duo, called J0005-0006 and J0303-0019, lacks dust. As the drawing shows, gas swirls around a black hole in what is called an accretion disk. Usually, the ac

PIX4584544

Star field in the halo of the Andromede galaxy - Deep field image in the halo of Andromeda galaxy - Deep field in the halo of the Andromede galaxy obtained by the Hubble space telescope in 2003. 300,000 stars as well as thousands of background galaxies are visible. Astronomers using Nasa's Hubble Space Telescope (HST) have reliably measured the age of the spherical halo of stars surrounding the neighboring Andromeda galaxy (M31). To their surprise, they have discovered that approximately one - third of the stars in Andromeda's halo formed only 6 to 8 billion years ago. That's a far cry from the 11 - to - 13 billion - year age of the stars in the Milky Way's halo. Why the difference in halo ages? Apparently, M31 must have gone through a major “” corporate merger”” with another large galaxy, or a series of mergers with smaller galaxies, billions of years ago. Astronomers cannot yet tell whether this was one tumultuous event or a more continual acquisition of smaller galaxies. The newly d

Star field in the halo of the Andromede galaxy - Deep field image in the halo of Andromeda galaxy - Deep field in the halo of the Andromede galaxy obtained by the Hubble space telescope in 2003. 300,000 stars as well as thousands of background galaxies are visible. Astronomers using Nasa's Hubble Space Telescope (HST) have reliably measured the age of the spherical halo of stars surrounding the neighboring Andromeda galaxy (M31). To their surprise, they have discovered that approximately one - third of the stars in Andromeda's halo formed only 6 to 8 billion years ago. That's a far cry from the 11 - to - 13 billion - year age of the stars in the Milky Way's halo. Why the difference in halo ages? Apparently, M31 must have gone through a major “” corporate merger”” with another large galaxy, or a series of mergers with smaller galaxies, billions of years ago. Astronomers cannot yet tell whether this was one tumultuous event or a more continual acquisition of smaller galaxies. The newly d

PIX4572242

Map of the sky seen by Planck - The microwave sky as seen by Planck - 380,000 years after the formation of the universe, when the temperature had become low enough, the light could be released from the extremely dense material that imprisoned it and spread throughout the universe. This moment appears to us today in the form of a radiation called fossil radiation, or cosmological diffuse background. This image is the map of temperature fluctuations of the cosmological diffuse background (in orange) seen by the Planck satellite between August 2009 and June 2010. Overlay, in blue, the Lactee Way and clear, filamentary structures that extend beyond the plane of our Lactee Way. This multi-frequency all-sky image of the microwave sky has been composed using data from Planck covering the electromagnetic spectrum from 30 GHz to 857 GHz. The mottled structure of the CMBR, with its tiny temperature fluctuations reflecting the primordial density variations from which today's cosmic structure orig

Map of the sky seen by Planck - The microwave sky as seen by Planck - 380,000 years after the formation of the universe, when the temperature had become low enough, the light could be released from the extremely dense material that imprisoned it and spread throughout the universe. This moment appears to us today in the form of a radiation called fossil radiation, or cosmological diffuse background. This image is the map of temperature fluctuations of the cosmological diffuse background (in orange) seen by the Planck satellite between August 2009 and June 2010. Overlay, in blue, the Lactee Way and clear, filamentary structures that extend beyond the plane of our Lactee Way. This multi-frequency all-sky image of the microwave sky has been composed using data from Planck covering the electromagnetic spectrum from 30 GHz to 857 GHz. The mottled structure of the CMBR, with its tiny temperature fluctuations reflecting the primordial density variations from which today's cosmic structure orig

PIX4634312

Our galaxy-position of the Sun -Artist's view - Our galaxy, the Milky Way - Artwork - Representation of our galaxy, the lactee path, with the position of our Sun. Following observations made in infrared by the Spitzer space telescope, astronomers believe that our galaxy is a spiral galaxy consisting of two main arms (Scutum-Centaurus and Perseus) visible from the extremities of a large central bar. Two smaller arms (Norma and Sagittarius) are located between the main arms. The main arms contain the highest densities in stars, the other two are essentially gas. A new spiral arm, called the arm of the kiloparsec Far-3, runs along the bar of the galaxy. Our sun is close to a small interrupted arm called Orion's arm, located between the arms of Sagittarius and Persee. The Lactee Way was previously thought to have four main arms. Using infrared images from Nasa's Spitzer Space Telescope, scientists have discovered that the Milky Way's elegant spiral structure is dominated by just two arms w

Our galaxy-position of the Sun -Artist's view - Our galaxy, the Milky Way - Artwork - Representation of our galaxy, the lactee path, with the position of our Sun. Following observations made in infrared by the Spitzer space telescope, astronomers believe that our galaxy is a spiral galaxy consisting of two main arms (Scutum-Centaurus and Perseus) visible from the extremities of a large central bar. Two smaller arms (Norma and Sagittarius) are located between the main arms. The main arms contain the highest densities in stars, the other two are essentially gas. A new spiral arm, called the arm of the kiloparsec Far-3, runs along the bar of the galaxy. Our sun is close to a small interrupted arm called Orion's arm, located between the arms of Sagittarius and Persee. The Lactee Way was previously thought to have four main arms. Using infrared images from Nasa's Spitzer Space Telescope, scientists have discovered that the Milky Way's elegant spiral structure is dominated by just two arms w

PIX4638214

James Webb Space Telescope (JWST) - JWST in clean room: Curvature measurements of the JWST Space Telescope (James Webb Space Telescope) at Nasa's Goddard Space Center. The JWST will replace the Hubble Space Telescope in 2018. Equipped with a 6.5 m mirror, he will observe the universe mainly in infrared. The primary mirror of Nasa's James Webb Space Telescope consisting of 18 hexagonal mirrors looks like a giant puzzle piece standing in the massive clean room of Nasa's Goddard Space Flight Center in Greenbelt, Maryland. Appropriately, combined with the rest of the observatory, the mirrors will help piece together puzzles scientists have been trying to solve throughout the cosmos. Webb's primary mirror will collect light for the observatory in the scientific quest to better understand our solar system and beyond. Using these mirrors and Webb's infrared vision scientists will peer back over 13.5 billion years to see the first stars and galaxies forming out of the darkness of the early uni

James Webb Space Telescope (JWST) - JWST in clean room: Curvature measurements of the JWST Space Telescope (James Webb Space Telescope) at Nasa's Goddard Space Center. The JWST will replace the Hubble Space Telescope in 2018. Equipped with a 6.5 m mirror, he will observe the universe mainly in infrared. The primary mirror of Nasa's James Webb Space Telescope consisting of 18 hexagonal mirrors looks like a giant puzzle piece standing in the massive clean room of Nasa's Goddard Space Flight Center in Greenbelt, Maryland. Appropriately, combined with the rest of the observatory, the mirrors will help piece together puzzles scientists have been trying to solve throughout the cosmos. Webb's primary mirror will collect light for the observatory in the scientific quest to better understand our solar system and beyond. Using these mirrors and Webb's infrared vision scientists will peer back over 13.5 billion years to see the first stars and galaxies forming out of the darkness of the early uni

PIX4645815

Field of distant galaxies - Distant galaxies - Image of distant galaxies obtained by the Hubble space telescope in the furnace constellation. 7500 galaxies, some of which are more than 13 billion years old - light are visible on this image. Some closer galaxies also appear. This image covers a field equivalent to one third of a full moon. This image, taken by Nasa's Hubble Space Telescope, was made from mosaics taken in September and October 2009 with the newly installed Wide Field Camera 3 (WFC3) and in 2004 with the Advanced Camera for Surveys (ACS). The view covers a portion of the southern field of a large galaxy census called the Great Observatories Origins Deep Survey (GOODS), a deep - sky study by several observatories to trace the formation and evolution of galaxies. The final image combines a broad range of colors, from the ultraviolet, through visible light, and into the near - infrared. The image reveals galaxy shapes that appear increasingly chaotic at each earlier epoch, a

Field of distant galaxies - Distant galaxies - Image of distant galaxies obtained by the Hubble space telescope in the furnace constellation. 7500 galaxies, some of which are more than 13 billion years old - light are visible on this image. Some closer galaxies also appear. This image covers a field equivalent to one third of a full moon. This image, taken by Nasa's Hubble Space Telescope, was made from mosaics taken in September and October 2009 with the newly installed Wide Field Camera 3 (WFC3) and in 2004 with the Advanced Camera for Surveys (ACS). The view covers a portion of the southern field of a large galaxy census called the Great Observatories Origins Deep Survey (GOODS), a deep - sky study by several observatories to trace the formation and evolution of galaxies. The final image combines a broad range of colors, from the ultraviolet, through visible light, and into the near - infrared. The image reveals galaxy shapes that appear increasingly chaotic at each earlier epoch, a

PIX4613824

Mars surface seen by the rover Curiosity 04/2015 - Martian surface seen from the rover Curiosity 04/2015 - Panorama of the surface of Mars on Mount Sharp. Mosaic of images obtained by the rover Curiosity and his camera Mastcam on 10 and 11 April 2015. A southward - looking panorama combining images from both cameras of the Mast Camera (Mastcam) instrument on Nasa's Curiosity Mars Rover shows diverse geological textures on Mount Sharp. Three years after landing on Mars, the mission is investigating this layered mountain for evidence about changes in Martian environmental conditions, from an ancient time when conditions were favorable for microbial life to the much - drier present. Gravel and sand ripples fill the foreground, typical of terrains that Curiosity traversed to reach Mount Sharp from its landing site. Outcrops in the midfield are of two types: dust - covered, smooth bedrock that forms the base of the mountain, and sandstone ridges that shed boulders as they erode. Rounded but

Mars surface seen by the rover Curiosity 04/2015 - Martian surface seen from the rover Curiosity 04/2015 - Panorama of the surface of Mars on Mount Sharp. Mosaic of images obtained by the rover Curiosity and his camera Mastcam on 10 and 11 April 2015. A southward - looking panorama combining images from both cameras of the Mast Camera (Mastcam) instrument on Nasa's Curiosity Mars Rover shows diverse geological textures on Mount Sharp. Three years after landing on Mars, the mission is investigating this layered mountain for evidence about changes in Martian environmental conditions, from an ancient time when conditions were favorable for microbial life to the much - drier present. Gravel and sand ripples fill the foreground, typical of terrains that Curiosity traversed to reach Mount Sharp from its landing site. Outcrops in the midfield are of two types: dust - covered, smooth bedrock that forms the base of the mountain, and sandstone ridges that shed boulders as they erode. Rounded but

PIX4616735

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