(PhysOrg.com) -- NASA scientists will be tracking asteroid 2005 YU55 with antennas of the agency's Deep Space Network at Goldstone, Calif., as the space rock safely flies past Earth slightly closer than the moon's orbit on ...
Space Exploration
Oct 27, 2011
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All observations in astronomy are based on light emitted from stars and galaxies and, according to the general theory of relativity, the light will be affected by gravity. At the same time all interpretations in astronomy ...
Astronomy
Sep 28, 2011
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(PhysOrg.com) -- Black holes, one of the most amazing and bizarre predictions of Einstein's theory of gravity, are irresistible sinks for matter and energy. They are so dense that not even light can escape from their gravitational ...
Astronomy
May 27, 2011
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(PhysOrg.com) -- The galaxies in this cosmic pairing, captured by the Wide Field Imager on the MPG/ESO 2.2-metre telescope at the La Silla Observatory in Chile, display some curious features, demonstrating that each member ...
Astronomy
Apr 20, 2011
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Astronomers at The University of Warwick and the University of Sheffield have helped discover an unusual star system which looks like, and may even once have behaved like, a game of snooker.
Astronomy
Nov 9, 2010
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(PhysOrg.com) -- Carolyn Porco is on a mission. As she explained to an audience of several hundred gathered at the Radcliffe Gymnasium earlier this month, in a lecture titled “At Saturn: Tripping the Light Fantastic,” ...
Space Exploration
Apr 19, 2010
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(PhysOrg.com) -- About 23% of the Universe is made up of mysterious ‘dark matter’, invisible material only detected through its gravitational influence on its surroundings. Now two astronomers based at the National Autonomous ...
Astronomy
Mar 22, 2010
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(PhysOrg.com) -- A study published this week in the journal Nature offers an explanation for the origin of dwarf spheroidal galaxies. The research may settle an outstanding puzzle in understanding galaxy formation.
Astronomy
Jul 29, 2009
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(PhysOrg.com) -- With Mars disappearing in its metaphorical rearview mirror, NASA's Dawn spacecraft's next stop is the asteroid belt and the giant asteroid Vesta. Dawn got as close as 549 kilometers (341 miles) to the Red ...
Space Exploration
Feb 27, 2009
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