(Phys.org) —Astronomers think that many galaxies, including our own Milky Way, have undergone similar collisions during their lifetimes. Although galaxy collisions are important and common, what happens during these encounters ...
Astronomy
Jun 3, 2013
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Collisions between galaxies are common. Indeed, most galaxies have probably been involved in one or more encounters during their lifetimes. One example is our own Milky Way, which is bound by gravity to the Andromeda galaxy, ...
Astronomy
Apr 9, 2013
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(Phys.org) —This charming and bright galaxy, known as IRAS 23436+5257, was captured by the NASA/ESA Hubble Space Telescope. It is located in the northern constellation of Cassiopeia, which is named after an arrogant, vain, ...
Astronomy
Mar 25, 2013
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(Phys.org) —Astrophysicists Dan Hooper and Tracy Slatyer of Fermi National Accelerator Laboratory, and Princeton University respectively, have written a paper—and uploaded it to the preprint server arXiv—in which they ...
(Phys.org)—Almost thirty years ago the Infrared Astronomy Satellite, IRAS, discovered that the universe contained many fabulously luminous galaxies, some of them more than a thousand times brighter than our own galaxy, ...
Astronomy
Oct 8, 2012
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Scientists have determined a giant gas cloud is on a collision course with the black hole in the center of our galaxy, and the two will be close enough by mid-2013 to provide a unique opportunity to observe how a super massive ...
Astronomy
Jun 27, 2012
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(Phys.org) -- Black holes in the early universe needed a few snacks rather than one giant meal to fuel their quasars and help them grow, according to observations from NASA's Spitzer and Hubble space telescopes.
Astronomy
Jun 20, 2012
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(Phys.org) -- The Hubble Space Telescope has produced a highly detailed image of a pair of overlapping galaxies called NGC 3314. While the two galaxies look as if they are in the midst of a collision, this is in fact a trick ...
Astronomy
Jun 14, 2012
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NGC 5907 is a spiral galaxy lying in the Dragon constellation, showing extraordinary large loops and currents of stars in its surrounding halo. According to researchers, it could have been formed through a gigantic collision ...
Astronomy
Feb 23, 2012
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(PhysOrg.com) -- Our Milky Way galaxy is surrounded by some 200 compact groups of stars, containing up to a million stars each. At 13 billion years of age, these globular clusters are almost as old as the universe itself ...
Astronomy
Feb 14, 2012
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