(Phys.org)—Most galaxies lie in clusters, groupings of several to many thousands of galaxies. Our Milky Way galaxy itself is a member of the "Local Group," a band of about fifty galaxies whose other large member is the ...
Astronomy
Aug 28, 2012
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(PhysOrg.com) -- An international team of astronomers has identified two new tidal streams in the Andromeda galaxy, the remnants of dwarf galaxies consumed by our large galactic neighbor. Analysis of the stars in Andromeda's ...
Astronomy
Jan 7, 2010
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The spiral galaxy M33, also known as the Triangulum Galaxy, is one of our closest cosmic neighbours, just three million light-years away. Home to some forty billion stars, it is the third largest in the Local Group of galaxies ...
Astronomy
Jul 28, 2014
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It will appear in the West at sunset, from around the 8th to the 13th of March 2013, and will be visible to the naked eye up to the end of the month. Comet Pan-Starrs C/2011 L4 will traverse Cetus, Pisces, Pegasus and Andromeda. ...
Space Exploration
Mar 8, 2013
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A stunning image of M31 captured by Subaru Telescope's Hyper Suprime-Cam (HSC) displays the fruits of international collaboration and technological sophistication aligned with cutting-edge science. In addition to providing ...
Astronomy
Aug 6, 2013
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(PhysOrg.com) -- A new study seeking to answer the question of why some galaxies are extremely dark compared with others may eventually help to explain the formation of all galaxies, according to researchers at the Harvard-Smithsonian ...
Astronomy
Oct 2, 2009
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German astronomers have conducted a study of the central bulge of the Andromeda galaxy and analyzed its stellar populations. The research could improve our understanding of the bulge's structure and formation history. Results ...
(PhysOrg.com) -- Researchers using NASA's Chandra X-ray Observatory, Hubble Space Telescope, Swift Gamma-ray Burst Explorer and the European Space Agency's XMM-Newton Observatory have been studying an object known as an ultraluminous ...
Astronomy
Feb 27, 2012
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Researchers have found a new way to measure dark energy—the mysterious force that makes up more than two-thirds of the universe and is responsible for its accelerating expansion—in our own cosmic backyard.
Astronomy
Aug 14, 2023
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Astrophysicists have found the first ever evidence of gigantic remains being formed from repeated explosions on the surface of a dead star in the Andromeda Galaxy, 2.5 million light years from Earth. The remains or "super-remnant" ...
Astronomy
Jan 9, 2019
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