News tagged with gravitational effects
Astrophysicists solve mystery in Milky Way galaxy
Jul 09, 2009 |
4.7 / 5 (19) |
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A team of astrophysicists has solved a mystery that led some scientists to speculate that the distribution of certain gamma rays in our Milky Way galaxy was evidence of a form of undetectable "dark matter" ...
Tahiti corals clue to 'dynamic' glaciers
Space & Earth / Earth Sciences
Apr 24, 2009 |
5 / 5 (4) |
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(PhysOrg.com) -- Fossilised corals from tropical Tahiti show that the behaviour of ice sheets is much more volatile and dynamic than previously thought, a team led by Oxford University scientists has found.
Solar systems around dead Suns?
Apr 20, 2009 |
4.5 / 5 (15) |
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(PhysOrg.com) -- Using NASA’s Spitzer Space Telescope, an international team of astronomers have found that at least 1 in 100 white dwarf stars show evidence of orbiting asteroids and rocky planets, suggesting ...
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Image: Prometheus Plays Tug of War with One of Saturn's Rings
Space & Earth / Space Exploration
Nov 25, 2009 |
4 / 5 (3) |
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(PhysOrg.com) -- The diminutive moon Prometheus whips gossamer ice particles out of Saturn's F ring in this image taken by the Cassini spacecraft on Aug. 21, 2009.
Group of galaxies found to bend the light of remote galaxies
Jan 03, 2007 |
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The discovery of a new class of gravitational lenses, the groups of galaxies, by an international team of astronomers using the Canada-France-Hawaii Legacy Survey (CFHTLS), comes 20 years after the publication ...
Superstrings could add gravitational cacophony to universe's chorus
Jan 08, 2007 |
3.8 / 5 (36) |
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Albert Einstein theorized long ago that moving matter would warp the fabric of four-dimensional space-time, sending out ripples of gravity called gravitational waves. No one has observed such a phenomenon so ...
Why do astronauts suffer from space sickness?
Space & Earth / Space Exploration
May 21, 2008 |
4.6 / 5 (7) |
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Centrifuging astronauts for a lengthy period provided researcher Suzanne Nooij with better insight into how space sickness develops, the nausea and disorientation experienced by many astronauts. Nooij defended her PhD theses ...
New EINSTEIN@HOME effort launched: home computers to search Arecibo data for new pulsars
Mar 24, 2009 |
4.5 / 5 (6) |
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Einstein@Home, based at the University of Wisconsin--Milwaukee (UWM) and the Albert Einstein Institute (AEI) in Germany, is one of the world's largest public volunteer distributed computing projects. More ...
Could Exotic Matter Provide an Infinite Source of Energy?
Sep 15, 2009 |
3.3 / 5 (34) |
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(PhysOrg.com) -- Generally, scientists prefer to avoid the concept of perpetual motion. The idea of a machine that could produce movement that goes on forever, and using that movement to generate an endless ...
Physicists offer foundation for uprooting a hallowed principle of physics
Jan 05, 2009 |
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Physicists at Indiana University have developed a promising new way to identify a possible abnormality in a fundamental building block of Einstein's theory of relativity known as "Lorentz invariance." If confirmed, the abnormality ...
Sea level rise could be worse than anticipated
Space & Earth / Earth Sciences
Feb 05, 2009 |
3.4 / 5 (48) |
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If global warming some day causes the West Antarctic Ice Sheet to collapse, as many experts believe it could, the resulting sea level rise in much of the United States and other parts of the world would be ...
Physicists see the cosmos in a coffee cup
Apr 14, 2009 |
4.6 / 5 (22) |
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(PhysOrg.com) -- A Duke University professor and his graduate student have discovered a universal principle that unites the curious interplay of light and shadow on the surface of your morning coffee with ...
Testing relativity in the lab
Jul 20, 2009 |
4.7 / 5 (14) |
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Even Albert Einstein might have been impressed. His theory of general relativity, which describes how the gravity of a massive object, such as a star, can curve space and time, has been successfully used to ...
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