(PhysOrg.com) -- NASA has its sights set on asteroid exploration, which is just as tricky as it sounds. An asteroid has little gravitational force, which rules out walking on one. Anchoring to the surface is a solution, but ...
Space Exploration
May 24, 2011
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The Sloan Low-mass Wide Pairs of Kinematically Equivalent Stars (SLoWPoKES) catalog was recently announced, containing 1,342 common proper motion pairs (i.e. binaries) – which are all low mass stars in the mid-K and ...
Astronomy
May 16, 2011
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(PhysOrg.com) -- A new study in the Proceedings of the National Academy of Sciences shows that bacteria is capable of growing under gravity more than 400,000 times that of Earth and gives evidence that the theory of panspermia ...
(PhysOrg.com) -- Going out on a limb, Russian cosmologist Vyacheslav Dokuchaev, of the Institute for Nuclear Research at the Russian Academy of Sciences in Moscow, has speculated in a paper published in arXiv, that due to ...
After nearly two years in space, the European satellite GOCE has collected the raw data needed to map variations in Earth's gravity field, the European Space Agency has said.
Earth Sciences
Mar 9, 2011
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(PhysOrg.com) -- The Magellanic Stream is an arc of hydrogen gas spanning more than 100 degrees of the sky as it trails behind the Milky Way's neighbor galaxies, the Large and Small Magellanic Clouds. Our home galaxy, the ...
Astronomy
Sep 29, 2010
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An international team of scientists including University of British Columbia astronomer Ingrid Stairs has discovered a promising way to fine-tune pulsars into the best precision time-pieces in the Universe.
General Physics
Jun 24, 2010
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ESA's GOCE satellite has been orbiting the Earth for more than a year and surveying its gravitational field more accurately than any instrument previously. The goal of the researchers - including German scientists at the ...
Earth Sciences
May 7, 2010
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(PhysOrg.com) -- Two new and independent studies have put Einstein's General Theory of Relativity to the test like never before. These results, made using NASA's Chandra X-ray Observatory, show Einstein's theory is still ...
General Physics
Apr 14, 2010
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The "exceptionally simple theory of everything," proposed by a surfing physicist in 2007, does not hold water, says Emory University mathematician Skip Garibaldi.
General Physics
Mar 26, 2010
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