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The ultra-faint dwarf galaxy Pegasus V
A unique ultra-faint dwarf galaxy has been discovered in the outer fringes of the Andromeda Galaxy thanks to the sharp eyes of an amateur astronomer examining archival data from the US Department of Energy-fabricated Dark Energy Camera on the Víctor M. Blanco 4-meter Telescope at Cerro Tololo...
Panorama of Spiral Galaxy, M31
This image was created with data from the Local Group Survey, completed with the Mosaic camera on the Mayall 4-meter telescope at Kitt Peak National Observatory. M31, M33 and our Milky Way are the three largest members of the Local Group of galaxies. M31 is a spiral galaxy very similar in size...
Star forming region, NGC 206
This image was obtained with the wide-field view of the Mosaic camera on the WIYN 0.9m-meter telescope at Kitt Peak National Observatory. NGC 206 is a massive star-forming region (also known as an “OB association”) embedded in the Andromeda Galaxy (M31). It is clearly visible in the center to...
M31 (Andromeda Galaxy)
M31 is the closest spiral galaxy to our own Milky Way. Located 2.3 million light years away one can easily find this in the Andromeda constellation with their naked eye on clear moonless nights. Historically speaking this galaxy is first mentioned by the Persian astronomer Al Sufi in the year...
The Andromeda Galaxy
This picture shows M31 (NGC 224) and its small companions M32 (NGC 221), lower center, and NGC 205 (sometimes designated M110), to the upper right. The image was made by combining three separate frames derived from photographic plates taken in 1979 at the Burrell Schmidt telescope of the Warner...
The Andromeda Galaxy
This detailed image of the Andromeda Galaxy was taken at the National Science Foundation's 0.9-meter telescope on Kitt Peak with the NOAO Mosaic CCD camera. Located in the constellation of Andromeda, the Princess, the Andromeda Galaxy is a large spiral galaxy very similar to our own Galaxy, the...
M31, NGC 224
A beautifully detailed image of the northwest portion of the Andromeda galaxy, M31, demonstrates the power of an on-going sky survey project sponsored by the National Optical Astronomy Observatory (NOAO). This image of M31, the closest spiral galaxy to our own Milky Way, was taken by Phil...
A piece of M31
Part of the Andromeda Galaxy, M31, seen through a narrow filter near, but not at, the H-alpha emission line of ionized hydrogen.
The Infrared Face of the Andromeda Galaxy
This newly-processed infrared image of the Andromeda galaxy uses data from NASA’s now-retired Spitzer Space Telescope to show off the disk of stars and clouds of dust that fill our Milky Way Galaxy’s largest neighbor. The image spans a wide swath of sky nearly 3.8 degrees across, which is close...
The Dusty Arcs of the Andromeda Galaxy
This newly-processed image of the Andromeda galaxy uses data from NASA’s now-retired Spitzer Space Telescope to reveal the complex patterns of dust found in our Milky Way galaxy’s nearest neighbor. It shows the glow of polycyclic aromatic hydrocarbons glowing at a wavelength of 8 microns.
Cool Andromeda
In this new view of the Andromeda galaxy from the Herschel space observatory, cool lanes of forming stars are revealed in the finest detail yet.
HALO AROUND THE ANDROMEDA GALAXY ILLUSTRATION
This illustration shows the location of the 43 quasars scientists used to probe Andromeda’s gaseous halo. These quasars—the very distant, brilliant cores of active galaxies powered by black holes—are scattered far behind the halo, allowing scientists to probe multiple regions. Looking through...
SIMULATED IMAGE DEMONSTRATES THE POWER OF NASA'S WIDE FIELD INFRARED SURVEY TELESCOPE
A NEW SIMULATED IMAGE OF THE ANDROMEDA GALAXY SHOWCASES WFIRST'S UNIQUE COMBINATION OF HIGH RESOLUTION AND WIDE FIELD OF VIEW
HUBBLE SURVEY UNLOCKS CLUES TO STAR BIRTH IN NEIGHBORING GALAXY
This is a Hubble Space Telescope mosaic of 414 photographs of the nearest major galaxy to our Milky Way galaxy, the Andromeda galaxy (M31). The vast panorama was assembled from nearly 8,000 separate exposures taken in near-ultraviolet, visible, and near-infrared light. Embedded within this view...
Closeup of Region of Andromeda Galaxy and Star Clusters
This is a Hubble Space Telescope mosaic of 414 photographs of the nearest major galaxy to our Milky Way galaxy, the Andromeda galaxy (M31). The vast panorama was assembled from nearly 8,000 separate exposures taken in near-ultraviolet, visible, and near-infrared light. Embedded within this view...
Star Cluster AP14
This is a Hubble Space Telescope mosaic of 414 photographs of the nearest major galaxy to our Milky Way galaxy, the Andromeda galaxy (M31). The vast panorama was assembled from nearly 8,000 separate exposures taken in near-ultraviolet, visible, and near-infrared light. Embedded within this view...
Star Cluster AP323
This is a Hubble Space Telescope mosaic of 414 photographs of the nearest major galaxy to our Milky Way galaxy, the Andromeda galaxy (M31). The vast panorama was assembled from nearly 8,000 separate exposures taken in near-ultraviolet, visible, and near-infrared light. Embedded within this view...
Star Cluster AP6
This is a Hubble Space Telescope mosaic of 414 photographs of the nearest major galaxy to our Milky Way galaxy, the Andromeda galaxy (M31). The vast panorama was assembled from nearly 8,000 separate exposures taken in near-ultraviolet, visible, and near-infrared light. Embedded within this view...
Star Cluster AP108
This is a Hubble Space Telescope mosaic of 414 photographs of the nearest major galaxy to our Milky Way galaxy, the Andromeda galaxy (M31). The vast panorama was assembled from nearly 8,000 separate exposures taken in near-ultraviolet, visible, and near-infrared light. Embedded within this view...
Star Cluster AP94
This is a Hubble Space Telescope mosaic of 414 photographs of the nearest major galaxy to our Milky Way galaxy, the Andromeda galaxy (M31). The vast panorama was assembled from nearly 8,000 separate exposures taken in near-ultraviolet, visible, and near-infrared light. Embedded within this view...
Star Cluster AP244
This is a Hubble Space Telescope mosaic of 414 photographs of the nearest major galaxy to our Milky Way galaxy, the Andromeda galaxy (M31). The vast panorama was assembled from nearly 8,000 separate exposures taken in near-ultraviolet, visible, and near-infrared light. Embedded within this view...
Sharpest ever view of the Andromeda Galaxy
The largest NASA Hubble Space Telescope image ever assembled, this sweeping bird's-eye view of a portion of the Andromeda galaxy (M31) is the sharpest large composite image ever taken of our galactic next-door neighbor. Though the galaxy is over 2 million light-years away, the Hubble telescope...
Sharpest ever view of the Andromeda Galaxy
The largest NASA Hubble Space Telescope image ever assembled, this sweeping bird's-eye view of a portion of the Andromeda galaxy (M31) is the sharpest large composite image ever taken of our galactic next-door neighbor. Though the galaxy is over 2 million light-years away, the Hubble telescope...
Center of M31
A 2012 Hubble Space Telescope image of M31, NGC 224, Andromeda Galaxy.
HST PHAT Detail of M31
A 2012 Hubble Space Telescope image of M31, NGC 224, Andromeda Galaxy.
HST PHAT Wide Image of M31
A 2012 Hubble Space Telescope image of M31, NGC 224, Andromeda Galaxy.
The Core of the Andromeda Galaxy (M31)
A Hubble WFPC2 image of the core of M31. Astronomers believe the two bright objects are a ring of red stars and a disk of blue stars.
Young and Old Stars Found in Andromeda's Halo
The deepest visible-light image ever taken of the sky resolves approximately 300,000 stars in the halo of the nearest neighboring spiral galaxy, Andromeda (M31). The photo was taken with the Advanced Camera for Surveys aboard NASA's Hubble Space Telescope. Because the image captures both...
Postcards from Andromeda: Andromeda Galaxy Halo Details - 6
A 2003 Hubble Space Telescope image of NGC 224, M31, Andromeda Galaxy.
Postcards from Andromeda: Andromeda Galaxy Halo Details
A 2003 Hubble Space Telescope image of NGC 224, M31, Andromeda Galaxy.
Postcards from Andromeda: Andromeda Galaxy Halo Details
A 2003 Hubble Space Telescope image of NGC 224, M31, Andromeda Galaxy.
Postcards from Andromeda: Andromeda Galaxy Halo Details
A 2003 Hubble Space Telescope image of NGC 224, M31, Andromeda Galaxy.
Postcards from Andromeda: Andromeda Galaxy Halo Details
A 2003 Hubble Space Telescope image of NGC 224, M31, Andromeda Galaxy.
Andromeda Galaxy Halo Details
A 2003 Hubble Space Telescope image of NGC 224, M31, Andromeda Galaxy.
Double Nucleus of the Andromeda Galaxy (M31)
A 1993 Hubble Space Telescope image of M31, NGC 224.
Andromeda, the Galaxy Next Door
At approximately 2.5 million light-years away, the Andromeda Galaxy, or M31, is our Milky Way's largest galactic neighbor. The entire galaxy spans 260,000 light-years across -- a distance so large, it took 10 GALEX images stitched together to produce this view of the galaxy next door.
The Galaxy Next Door in Ultraviolet
Hot stars burn brightly in this new image from NASA's Galaxy Evolution Explorer, showing the ultraviolet side of a familiar face.
Dust and Gas in the Andromeda Galaxy
The Andromeda galaxy, or M31, is shown here in far-infrared and radio wavelengths of light. Some of the hydrogen gas (red) that traces the edge of Andromedas disc was pulled in from intergalactic space, and some was torn away from galaxies that merged with Andromeda far in the past. This...
Andromeda
This infrared composite image from NASA's Spitzer Space Telescope shows the Andromeda galaxy, a neighbor to our Milky Way galaxy. The image highlights the contrast between the galaxy's choppy waves of dust (red) and smooth sea of older stars (blue). The Spitzer view also shows Andromeda's...
Amazing Andromeda Galaxy
The many "personalities" of our great galactic neighbor, the Andromeda galaxy, are exposed in this new composite image from NASA's Galaxy Evolution Explorer and the Spitzer Space Telescope.
Spitzer/MIPS View of the Andromeda Galaxy
NASA's Spitzer Space Telescope has captured stunning infrared views of the famous Andromeda galaxy to reveal insights that were only hinted at in visible light.
Spitzer View of Andromeda Galaxy
Astronomers have new evidence that the Andromeda spiral galaxy was involved in a violent head-on collision with the neighboring dwarf galaxy Messier 32 (M32) more than 200 million years ago. Infrared photographs taken with NASA's Spitzer Space Telescope revealed a never-before-seen dust ring deep...
Andromeda in the Infrared
NASA's Spitzer Space Telescope has captured stunning infrared views of the famous Andromeda galaxy to reveal insights that were only hinted at in visible light.
Forensic Evidence of a Galactic Collision
Astronomers have new evidence that the Andromeda spiral galaxy was involved in a violent head-on collision with the neighboring dwarf galaxy Messier 32 (M32) more than 200 million years ago. Infrared photographs taken with NASA's Spitzer Space Telescope ring deep within the Andromeda galaxy.
Andromeda
A composite ZTF image of the Andromeda galaxy made by combining three bands of visible light. The image covers 2.9 square degrees, which is one-sixteenth of ZTF's full field of view.
Stars in the Andromeda Galaxys disc
This image shows NASA/ESA Hubble Space Telescope images of a small part of the disc of the Andromeda Galaxy, the closest spiral galaxy to the Milky Way. Hubbles position above the distorting effect of the atmosphere, combined with the galaxys relative proximity, means that the galaxy can be...
HST PHAT detail of M31
This detailed image reveals a rich population of blue stars huddled around the core. Dark dust clouds also are visible. The image is 740 light-years wide. The image is part of a census of stars in M31 called the Panchromatic Hubble Andromeda Treasury survey.
HST PHAT wide image of M31
This image is 7,900 light-years across and reveals the Andromeda galaxy's crowded central region. The bright area near the centre of the image is a grouping of stars nestled around the galaxy's black hole. The blue dots sprinkled throughout the image are ultra-blue stars whose population...
Stars in the Andromeda Galaxys halo with background galaxies (2)
This image shows NASA/ESA Hubble Space Telescope images of a small part of the halo of the Andromeda Galaxy. The halo is the huge and sparse sphere of stars that surrounds a galaxy. While there are relatively few stars in a galaxys halo, studies of the rotation rate of galaxies suggest that...
Stars in the Andromeda Galaxys halo with background galaxies (1)
This image shows NASA/ESA Hubble Space Telescope images of a small part of the halo of the Andromeda Galaxy. The halo is the huge and sparse sphere of stars that surrounds a galaxy. While there are relatively few stars in a galaxys halo, studies of the rotation rate of galaxies suggest that...
Stars in the Andromeda Galaxys giant stellar stream
This image shows NASA/ESA Hubble Space Telescope images of a small part of the giant stellar stream of the Andromeda Galaxy. The stream is a long structure thought to be the remains of a companion galaxy torn apart by the Andromeda Galaxys gravity and engulfed in it. Hubbles position above the...
The area around the Andromeda Galaxy (ground-based image)
This image from the Digitized Sky Survey shows the area around the Andromeda galaxy otherwise known as M31.
Centre of M31
This Hubble Space Telescope image centres on the 100-million-solar-mass black hole at the hub of the neighboring spiral galaxy M31, or the Andromeda galaxy, one of the few galaxies outside the Milky Way visible to the naked eye and the only other giant galaxy in the Local Group. This is the...
Young and Old Stars Found in Andromeda's Halo
The deepest visible-light image ever taken of the sky resolves approximately 300, 000 stars in the halo of the nearest neighboring spiral galaxy, Andromeda (M31). The photo was taken with the Advanced Camera for Surveys aboard the NASA/ESA Hubble Space Telescope. Because the image captures both...
Andromeda Galaxy Halo Details - 1
Relying on the deepest visible-light images ever taken in space, 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...
Andromeda Galaxy Halo Details - 6
Relying on the deepest visible-light images ever taken in space, 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...
Andromeda Galaxy Halo Details - 5
Relying on the deepest visible-light images ever taken in space, 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...
Andromeda Galaxy Halo Details - 2
Relying on the deepest visible-light images ever taken in space, 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...
Andromeda Galaxy Halo Details - 4
Relying on the deepest visible-light images ever taken in space, 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...
Andromeda Galaxy Halo Details - 3
Relying on the deepest visible-light images ever taken in space, 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...
Wide-field view of the Andromeda Galaxy
This ground-based image shows the full extent of the Andromeda Galaxy, also known as Messier 31 or M 31. The Andromeda Galaxy appears very large in the sky several times the size of the full Moon (although much fainter). Hubble is designed to make highly detailed observations of much smaller...
Andromeda Galaxy (M31) wide-field image
Image of M31 taken with a 12.5-inch Ritchey-Chrtien telescope by amateur astronomer Robert Gendler.
Andromeda Galaxy (M31) - HST WFPC2
A Hubble WFPC2 image of the core of M31. Astronomers believe the two bright objects are a ring of red stars and a disk of blue stars.
HST image of an old globular star cluster in galaxy M31
We believe our HST observations of NGC 4038/4039 and other merger galaxies also shed some new light on how young globular clusters form, i.e., from giant clouds of hydrogen gas that astronomers call Giant Molecular Clouds. Full-grown spiral galaxies like the Milky Way have typically 1000-2000...
The Andromeda galaxy
This is a Hubble Space Telescope view of the Andromeda Galaxy's core.
NuSTAR's View of Andromeda
NuSTAR's view of Andromeda shows high-energy X-rays coming mostly from X-ray binaries, which are pairs of stars in which one "dead" member feeds off its companion.
Andromeda in High-Energy X-rays
NASA's Nuclear Spectroscope Telescope Array, or NuSTAR, has imaged a swath of the Andromeda galaxy -- the nearest large galaxy to our own Milky Way galaxy.
Pulsar Candidate in Andromeda
NuSTAR, has identified a candidate pulsar in Andromeda -- the nearest large galaxy to the Milky Way. This likely pulsar is brighter at high energies than the Andromeda galaxy's entire black hole population.
Andromeda is So Hot 'n' Cold
This mosaic of the Andromeda spiral galaxy highlights explosive stars in its interior, and cooler, dusty stars forming in its many rings.
Andromeda is So Hot 'n' Cold (Infrared Only)
This image of the Andromeda spiral galaxy highlights explosive stars in its interior, and cooler, dusty stars forming in its many rings.
Andromeda is So Hot 'n' Cold (X-Ray Only)
This image of the Andromeda spiral galaxy highlights explosive stars in its interior, and cooler, dusty stars forming in its many rings
Andromeda's Colorful Rings
The ring-like swirls of dust filling the Andromeda galaxy stand out colorfully in this new image from the Herschel Space Observatory.
Chandra Images Heart of Andromeda Galaxy
Our nearest neighbor spiral galaxy at a distance of two million light years.
Closer Look Reveals Andromeda's Black Hole Not As "Cool" As Beli
Chandra and Hubble Space Telescope images of two recently detected emitting globular star clusters.
The Heat Is On in Andromeda's Center
Central region of a galaxy 2.5 million light years from Earth.
A New Look at a Close Neighbor
Also known as Andromeda and the nearest major galaxy to the Milky Way.
Nearby Black Hole is Feeble and Unpredictable
A supermassive black hole in the center of Andromeda
Black Hole Bonanza Turns up in Galaxy Next Door
A spiral galaxy located 2.5 million light years from our own.
WISE Infrared View of Andromeda Galaxy and Companions
The immense Andromeda galaxy, also known as Messier 31 or simply M31, is captured in full in this new image from NASA's Wide-field Infrared Survey Explorer, or WISE. The mosaic covers an area equivalent to more than 100 full moons, or five degrees across the sky.
WISE Infrared View of Starlight in the Andromeda Galaxy
This image from NASA's Wide-field Infrared Survey Explorer, or WISE, highlights the Andromeda galaxy's older stellar population in blue. It was taken by the shortest-wavelength camera on WISE, which detects infrared light of 3.4 microns.
WISE Infrared View of Dust in the Andromeda Galaxy
This image from NASA's Wide-field Infrared Survey Explorer, or WISE, highlights the dust that speckles the Andromeda galaxy's spiral arms. It shows light seen by the longest-wavelength infrared detectors on WISE (12-micron light has been color coded orange, and 22-micron light, red).
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