News tagged with gravitational instability
Planet formation could lie in stellar storms rather than gravitational instability
Dec 12, 2008 |
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New research suggests that turbulence plays a critical role in creating ripe conditions for the birth of planets. The study, to be published in The Astrophysical Journal, challenges the prevailing theory of planet format ...
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Image: Prometheus Plays Tug of War with One of Saturn's Rings
Space & Earth / Space Exploration
Nov 25, 2009 |
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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.
Galaxy-Sized Observatory for Gravitational Waves
Sep 17, 2009 |
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(PhysOrg.com) -- Astronomers are making plans to create a galaxy-sized observatory to look for gravitational waves. The project is part of a joint effort with astronomers from Australia and Europe, who also ...
Gravitational Space Corridors Could Slash Space Travel Costs (w/ Video)
Space & Earth / Space Exploration
Sep 16, 2009 |
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(PhysOrg.com) -- Scientists studying space travel possibilities have proposed that gravitational space corridors could be used by spacecraft, in much the same way as ships use ocean currents. Taking advantage ...
A breakthrough in gastric carcinogenesis
Jun 11, 2009 |
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Checkpoint with forkhead and ring finger (CHFR) is a mitotic stress checkpoint gene whose promoter is frequently methylated in various kinds of cancer. In gastric cancer, CHFR promoter hypermethylation has been reported to ...
Ideas on gas-giant planet formation take shape
Mar 22, 2006 |
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Rocky planets such as Earth and Mars are born when small particles smash together to form larger, planet-sized clusters in a planet-forming disk, but researchers are less sure about how gas-giant planets such as Jupiter and ...
Studying the 'mountains' and 'starquakes' that develop on neutron stars
May 26, 2009 |
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(PhysOrg.com) -- Neutron stars have the potential to play an important role in understanding some of the mysteries of the universe. One of factors that could help lead to an understanding of gravitational waves and the mechanisms ...
Modeling Supernovae Core Collapse
Jun 28, 2006 |
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“What we've done,” explains University of Arizona professor Adam Burrows, “is unlocked the core of supernovae. We have a computational tool that allows us to go into the core, and we see that there’s gravitational radiation—much ...
Link unraveled between chromosomal instability and centrosome defects in cancer cells
Jun 07, 2009 |
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In a new study, Dana-Farber Cancer Institute scientists disprove a century-old theory about why cancer cells often have too many or too few chromosomes, and show that the actual reason may hold the key to a novel approach ...
Quantum goes massive
Jul 16, 2009 |
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(PhysOrg.com) -- An astrophysics experiment in America has demonstrated how fundamental research in one subject area can have a profound effect on work in another as the instruments used for the Laser Interferometer ...
Cosmic Dance Helps Galaxies Lose Weight
Jul 29, 2009 |
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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 unders ...
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