The Milky Way's close neighbor, Andromeda, features a dominant source of high-energy X-ray emission, but its identity was mysterious until now. As reported in a new study, NASA's NuSTAR (Nuclear Spectroscopic Telescope Array) ...
Astronomy
Mar 24, 2017
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The Andromeda constellation is one of the 88 modern constellations and should not be confused with our neighboring Andromeda Galaxy. The Andromeda constellation is home to the pictured galaxy known as NGC 7640.
Astronomy
Feb 10, 2017
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The drizzle of stars scattered across this image forms a galaxy known as UGC 4879. UGC 4879 is an irregular dwarf galaxy—as the name suggests, galaxies of this type are a little smaller and messier than their cosmic cousins, ...
Astronomy
Jun 13, 2016
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NASA's Nuclear Spectroscopic Telescope Array, or NuSTAR, has captured the best high-energy X-ray view yet of a portion of our nearest large, neighboring galaxy, Andromeda. The space mission has observed 40 "X-ray binaries"—intense ...
Astronomy
Jan 5, 2016
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Using the robotic Liverpool Telescope, an international team of scientists has found what looks like the best pre-explosion candidate yet for a 'type 1a' supernova, where a massive and extremely dense star in the Andromeda ...
Astronomy
Jul 9, 2015
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Astronomers making a detailed, multi-telescope study of a nearby galaxy have discovered a magnetic field coiled around the galaxy's main spiral arm. The discovery, they said, helps explain how galactic spiral arms are formed. ...
Astronomy
Jun 18, 2015
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(Phys.org)—Researchers working at Europe's XMM-Newton X-ray space telescope have observed a speeding galaxy smashing its way through a galaxy cluster called Abell 4067. They have reported their observations and findings ...
A detailed study of the motions of different stellar populations in the disk of the Andromeda galaxy has found striking differences from our own Milky Way, suggesting a more violent history of mergers with smaller galaxies ...
Astronomy
Jan 8, 2015
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(Phys.org)—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 ...
Astronomy
Jan 6, 2015
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The Milky Way, the galaxy we live in, is part of a cluster of more than 50 galaxies that make up the 'Local Group', a collection that includes the famous Andromeda galaxy and many other far smaller objects. Now a Russian-American ...
Astronomy
Dec 22, 2014
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