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'Hubble Constant' Bilder und Clips Suchergebnisse page 1 of 1

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Bilder zu 'Hubble Constant' gefunden, 14

 
Cepheide RS Puppis - Cepheides are very bright variable stars that serve as cosmic beacons to measure the distance of nearby galaxies. Their pulse period is measured and their absolute luminosite is calculated. By comparing the result to their apparent luminosite in the sky, they can be calculated accurately. Here, the space telescope photographed one of the brightest cepheids, RS Puppis (in the center of the image), located 6500 years - light in the southern constellation of the Puppi. The bright southern hemisphere star RS Puppis, at the center of the image, is swaddled in a gossamer cocoon of reflective dust illuminated by the glittering star. The super star is ten times more massive than our Sun and 200 times larger. RS Puppis rhythmically brightens and dims over a six - week cycle. It is one of the most luminous in the class of so - called Cepheid variable stars. Its average intrinsic brightness is 15,000 times greater than our Sun's luminosity. The nebula flickers in brightness a

PIX4572188

Cepheide RS Puppis - Cepheides are very bright variable stars that serve as cosmic beacons to measure the distance of nearby galaxies. Their pulse period is measured and their absolute luminosite is calculated. By comparing the result to their apparent luminosite in the sky, they can be calculated accurately. Here, the space telescope photographed one of the brightest cepheids, RS Puppis (in the center of the image), located 6500 years - light in the southern constellation of the Puppi. The bright southern hemisphere star RS Puppis, at the center of the image, is swaddled in a gossamer cocoon of reflective dust illuminated by the glittering star. The super star is ten times more massive than our Sun and 200 times larger. RS Puppis rhythmically brightens and dims over a six - week cycle. It is one of the most luminous in the class of so - called Cepheid variable stars. Its average intrinsic brightness is 15,000 times greater than our Sun's luminosity. The nebula flickers in brightness a

PIX4572188

 
Galaxies M95 and M96 in the Lion - Galaxies M95 and M96 in Leo - M95 (NGC 3351), on the left, is a barree spiral of type SBB, M96 (NGC 3368), on the right, is a spiral galaxy of type Sa. M96 is the brightest member of the Leo I galaxy group, which is also called the M96 group. It also contains M95, M105 and a number of weaker galaxies. Their distance to our Sun was measured with great precision thanks to the discovery of cepheides in these galaxies and the appearance of a supernova of type Ia in M96 in May 1998. These two galaxies are located 37 million light years away from Earth. M95 (NGC 3351, left), is a barred spiral galaxy, M96 (NGC 3368, right), is a spiral galaxy. With M105 (not pictured here), they are dominant members of the Leo I galactic group which also includes several fainter galaxies. Their distance from our Sun has been determinated with great precision thanks to the discovery of Cepheids stars in these galaxies and a type IA supernova in M96 appeared in May 1998. Thei

R. Gendler

PIX4610672

Galaxies M95 and M96 in the Lion - Galaxies M95 and M96 in Leo - M95 (NGC 3351), on the left, is a barree spiral of type SBB, M96 (NGC 3368), on the right, is a spiral galaxy of type Sa. M96 is the brightest member of the Leo I galaxy group, which is also called the M96 group. It also contains M95, M105 and a number of weaker galaxies. Their distance to our Sun was measured with great precision thanks to the discovery of cepheides in these galaxies and the appearance of a supernova of type Ia in M96 in May 1998. These two galaxies are located 37 million light years away from Earth. M95 (NGC 3351, left), is a barred spiral galaxy, M96 (NGC 3368, right), is a spiral galaxy. With M105 (not pictured here), they are dominant members of the Leo I galactic group which also includes several fainter galaxies. Their distance from our Sun has been determinated with great precision thanks to the discovery of Cepheids stars in these galaxies and a type IA supernova in M96 appeared in May 1998. Thei

R. Gendler

PIX4610672

 
Spiral Galaxy M31 in Andromede - Detail - The southern arm of the Andromeda galaxy, M31 - View of the southern arm of the Andromede galaxy. Visible to the naked eye, the Andromede galaxy is located about 2 million years away from Earth. In this image obtained in La Palma, one of its two satellite galaxies is visible to the north-east: M32 (NGC 221). Also visible is the star cloud NGC 206, low centre, one of the largest star formations regions of our local group. Like the lactee path, the Andromede galaxy belongs to the local group, which consists of about thirty galaxies. M31 is the finest and nearest large spiral galaxy in the sky, about 2 million light years away. Despite its distance it can be seen as an elongated streak with the unaided eye in northern skies and in a large telescope under good conditions it is clearly resolved into stars and star - forming regions. This picture shows less than half the galaxy but the spiral structure, star clouds and dust lanes are evident. Also he

PIX4608878

Spiral Galaxy M31 in Andromede - Detail - The southern arm of the Andromeda galaxy, M31 - View of the southern arm of the Andromede galaxy. Visible to the naked eye, the Andromede galaxy is located about 2 million years away from Earth. In this image obtained in La Palma, one of its two satellite galaxies is visible to the north-east: M32 (NGC 221). Also visible is the star cloud NGC 206, low centre, one of the largest star formations regions of our local group. Like the lactee path, the Andromede galaxy belongs to the local group, which consists of about thirty galaxies. M31 is the finest and nearest large spiral galaxy in the sky, about 2 million light years away. Despite its distance it can be seen as an elongated streak with the unaided eye in northern skies and in a large telescope under good conditions it is clearly resolved into stars and star - forming regions. This picture shows less than half the galaxy but the spiral structure, star clouds and dust lanes are evident. Also he

PIX4608878

 
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

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

 
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

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

 
Spiral Galaxy NGC 4603 in Centaur - Cepheids in the galaxy NGC 4603 - The spiral galaxy NGC 4603 is located 108 million years - light. Its distance was accurately measured by the Hubble space telescope in 1999 using the study of cepheides, variable stars. More than 36 cepheides have been identified in this galaxy. The bright stars visible in this image are located in front of the galaxy and belong to our lactee path. NGC 4603, a galaxy is 108 million light - years away. Its distance has been accurately measured by astronomers using the pulsating variable stars known as Cepheids. The Hubble space telescope has identified more than 36 Cepheids in NGC 4603. The bright stars visible on this image are in foreground and belong to our galaxy

PIX4611662

Spiral Galaxy NGC 4603 in Centaur - Cepheids in the galaxy NGC 4603 - The spiral galaxy NGC 4603 is located 108 million years - light. Its distance was accurately measured by the Hubble space telescope in 1999 using the study of cepheides, variable stars. More than 36 cepheides have been identified in this galaxy. The bright stars visible in this image are located in front of the galaxy and belong to our lactee path. NGC 4603, a galaxy is 108 million light - years away. Its distance has been accurately measured by astronomers using the pulsating variable stars known as Cepheids. The Hubble space telescope has identified more than 36 Cepheids in NGC 4603. The bright stars visible on this image are in foreground and belong to our galaxy

PIX4611662

 
Spiral galaxy NGC 3370 in the Lion - Spiral galaxy NGC 3370 in Leo - The spiral galaxy NGC 3370 is located about 100 million years away - light from Earth. In November 1994, light emitting from a supernova type Ia, SN 1994ae, part of this galaxy, reached Earth. In this image taken by the Hubble space telescope in May 2003, this supernova is no longer detectable. On the other hand, the telescope was able to observe in this galaxy cepheides, variable stars used to accurately measure distances in the universe and calculate the rate of expansion of the universe. Many galaxies are visible in the background. The majestic dusty spiral, NGC 3370, looms in the foreground in this NASA Hubble Space Telescope image. Recent observations taken with the Advanced Camera for Surveys show intricate spiral arm structure spotted with hot areas of new star formation. In November 1994, the light of a supernova in nearby NGC 3370 reached Earth. This stellar outburst briefly outshone all of the tens of billio

PIX4610684

Spiral galaxy NGC 3370 in the Lion - Spiral galaxy NGC 3370 in Leo - The spiral galaxy NGC 3370 is located about 100 million years away - light from Earth. In November 1994, light emitting from a supernova type Ia, SN 1994ae, part of this galaxy, reached Earth. In this image taken by the Hubble space telescope in May 2003, this supernova is no longer detectable. On the other hand, the telescope was able to observe in this galaxy cepheides, variable stars used to accurately measure distances in the universe and calculate the rate of expansion of the universe. Many galaxies are visible in the background. The majestic dusty spiral, NGC 3370, looms in the foreground in this NASA Hubble Space Telescope image. Recent observations taken with the Advanced Camera for Surveys show intricate spiral arm structure spotted with hot areas of new star formation. In November 1994, the light of a supernova in nearby NGC 3370 reached Earth. This stellar outburst briefly outshone all of the tens of billio

PIX4610684

 
Spiral galaxy NGC 3370 in the Lion - Spiral galaxy NGC 3370 in Leo - The spiral galaxy NGC 3370 is located about 100 million years away - light from Earth. In November 1994, light emitting from a supernova type Ia, SN 1994ae, part of this galaxy, reached Earth. In this image taken by the Hubble space telescope in May 2003, this supernova is no longer detectable. On the other hand, the telescope was able to observe in this galaxy cepheides, variable stars used to accurately measure distances in the universe and calculate the rate of expansion of the universe. Many galaxies are visible in the background. The majestic dusty spiral, NGC 3370, looms in the foreground in this NASA Hubble Space Telescope image. Recent observations taken with the Advanced Camera for Surveys show intricate spiral arm structure spotted with hot areas of new star formation. In November 1994, the light of a supernova in nearby NGC 3370 reached Earth. This stellar outburst briefly outshone all of the tens of billio

PIX4610713

Spiral galaxy NGC 3370 in the Lion - Spiral galaxy NGC 3370 in Leo - The spiral galaxy NGC 3370 is located about 100 million years away - light from Earth. In November 1994, light emitting from a supernova type Ia, SN 1994ae, part of this galaxy, reached Earth. In this image taken by the Hubble space telescope in May 2003, this supernova is no longer detectable. On the other hand, the telescope was able to observe in this galaxy cepheides, variable stars used to accurately measure distances in the universe and calculate the rate of expansion of the universe. Many galaxies are visible in the background. The majestic dusty spiral, NGC 3370, looms in the foreground in this NASA Hubble Space Telescope image. Recent observations taken with the Advanced Camera for Surveys show intricate spiral arm structure spotted with hot areas of new star formation. In November 1994, the light of a supernova in nearby NGC 3370 reached Earth. This stellar outburst briefly outshone all of the tens of billio

PIX4610713

 
Cepheides in the galaxy M81 - Cepheids in the galaxy M81 - Cepheides are very bright variable stars that serve as cosmic beacons to measure distance from nearby galaxies. Their pulse period is measured and their absolute luminosite is calculated. By comparing the result to their apparent luminosite in the sky, they can be calculated accurately. Here, the space telescope identified cepheides in the M81 galaxy; astronomers were able to deduce a new distance for this galaxy; it would be 11 million years - light from Earth; previous estimates gave a figure of 18 million light years. Image obtained in 1993. Astronomers have discovered variable stars in the spiral galaxy M81, and measured the distance of the galaxy to be 11 million light - years (3.4 megaparsecs). They quote a 10% uncertainty in this result (plus or minus approximately one million light - years). Previous estimates of the galaxy's distance have ranged from 4.5 to 18 million light - years (1.4 to 5.6 megaparsecs). The astrono

PIX4572157

Cepheides in the galaxy M81 - Cepheids in the galaxy M81 - Cepheides are very bright variable stars that serve as cosmic beacons to measure distance from nearby galaxies. Their pulse period is measured and their absolute luminosite is calculated. By comparing the result to their apparent luminosite in the sky, they can be calculated accurately. Here, the space telescope identified cepheides in the M81 galaxy; astronomers were able to deduce a new distance for this galaxy; it would be 11 million years - light from Earth; previous estimates gave a figure of 18 million light years. Image obtained in 1993. Astronomers have discovered variable stars in the spiral galaxy M81, and measured the distance of the galaxy to be 11 million light - years (3.4 megaparsecs). They quote a 10% uncertainty in this result (plus or minus approximately one million light - years). Previous estimates of the galaxy's distance have ranged from 4.5 to 18 million light - years (1.4 to 5.6 megaparsecs). The astrono

PIX4572157

 
Nebula NGC 7635 in Cassiopee - The Bubble Nebula: This nebula is located about 8000 light years from Earth. A star 40 times more massive than our Sun, called Wolf-Rayet, is responsible for the formation of this bubble; it is the star BD+60* 2522. Image obtained by the space telescope Hubble - The Bubble Nebula, also known as NGC 7635, is an emission nebula located 8 000 light-years away - This complete view of the Bubble Nebula allows us to fully appreciate the almost perfectly symmetrical shell which gives the nebula its name. This shell is the result of a powerful flow of gas - known as a stellar wind - from the bright star visible just to the left of centre in this image. The star, SAO 20575, is between ten and twenty times the mass of the Sun and the pressure created by its stellar wind forces the surrounding interstellar material outwards into this bubble-like form - The giant molecular cloud that surrounds the star - glowing in the star's intense ultraviolet radiation - tries to

PIX4620728

Nebula NGC 7635 in Cassiopee - The Bubble Nebula: This nebula is located about 8000 light years from Earth. A star 40 times more massive than our Sun, called Wolf-Rayet, is responsible for the formation of this bubble; it is the star BD+60* 2522. Image obtained by the space telescope Hubble - The Bubble Nebula, also known as NGC 7635, is an emission nebula located 8 000 light-years away - This complete view of the Bubble Nebula allows us to fully appreciate the almost perfectly symmetrical shell which gives the nebula its name. This shell is the result of a powerful flow of gas - known as a stellar wind - from the bright star visible just to the left of centre in this image. The star, SAO 20575, is between ten and twenty times the mass of the Sun and the pressure created by its stellar wind forces the surrounding interstellar material outwards into this bubble-like form - The giant molecular cloud that surrounds the star - glowing in the star's intense ultraviolet radiation - tries to

PIX4620728

 
Supernova type 1a 1994D in galaxy NGC 4526 - Supernova 1994D in galaxy NGC 4526 - Supernova 1994D, visible as the bright spot on the lower left, occurred in the outskirts of disk galaxy NGC4526. Supernova 1994D was not of interest for how different it was, but rather for how similar it was to other supernovae. In fact, the light emitted during the weeksafter its explosion caused it to be given the familiar designation of a Type Ia supernova. If all Type 1a supernovae have the same intrinsic brightness, then the dimmer a supernova appears, the farther away it must be. By calibrating a precise brightness - distance relation, astronomers are able to estimate not only the expansion rate of the universe (parameterized by the Hubble Constant), but also the geometry of the universe we live in (parameterized by Omega and Lambda). The large number and great distances to supernovae measured in 1998 have been interpreted as indicating that we live in a previously unexpected universe

PIX4582396

Supernova type 1a 1994D in galaxy NGC 4526 - Supernova 1994D in galaxy NGC 4526 - Supernova 1994D, visible as the bright spot on the lower left, occurred in the outskirts of disk galaxy NGC4526. Supernova 1994D was not of interest for how different it was, but rather for how similar it was to other supernovae. In fact, the light emitted during the weeksafter its explosion caused it to be given the familiar designation of a Type Ia supernova. If all Type 1a supernovae have the same intrinsic brightness, then the dimmer a supernova appears, the farther away it must be. By calibrating a precise brightness - distance relation, astronomers are able to estimate not only the expansion rate of the universe (parameterized by the Hubble Constant), but also the geometry of the universe we live in (parameterized by Omega and Lambda). The large number and great distances to supernovae measured in 1998 have been interpreted as indicating that we live in a previously unexpected universe

PIX4582396

 
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

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

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