In the last thirty years, vegetation has changed significantly the world over. Until recently, the extent to which the climate or humankind was responsible remained unclear. However, geographers from the ...
Apr 16, 2013
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(Phys.org)—In the galactic scheme of things, the Sun is a remarkably constant star. While some stars exhibit dramatic pulsations, wildly yo-yoing in size and brightness, and sometimes even exploding, the ...
Jan 11, 2013
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Engineers at the University of California, San Diego, have released a new, more accurate version of a software program that allows power grid managers and solar power plant developers to easily model fluctuations ...
Sep 25, 2012
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(Phys.org) -- NASA's Radiation Belt Storm Probes (RBSP) mission will send two spacecraft into the harsh environment of our planet's radiation belts. Final preparations have begun for launch on Thursday, Aug. ...
Aug 10, 2012
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(Phys.org) -- The dramatic melt-off of Arctic sea ice due to climate change is hitting closer to home than millions of Americans might think. That's because melting Arctic sea ice can trigger a domino effect ...
Jun 06, 2012
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How does the power output from solar panels fluctuate when the clouds roll in? And can researchers predict these fluctuations? UC San Diego Professor Jan Kleissl and Matthew Lave, a Ph.D. student in the Department of Mechanical ...
Jun 21, 2011
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(PhysOrg.com) -- An imager aboard a NASA satellite launched into Earth's orbit Thursday will photograph the sun's changing atmosphere and magnetic fields -- lending unprecedented insights into the dynamics ...
Feb 12, 2010
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For some years now, an unorthodox idea has been gaining favor among astronomers. It contradicts old teachings and unsettles thoughtful observers, especially climatologists.
Feb 05, 2010
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(PhysOrg.com) -- The star Chi Cygni is located about 550 light-years away, in the direction of the constellation of Cygnus the Swan. It is a notable star because, unlike the sun which still burns hydrogen ...
Dec 21, 2009
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Just how rare life is in the Universe is one of the key questions in the natural sciences today. By pulling in multidisciplinary expertise from biology, geology, physics and astronomy, astrobiologists are ...
Aug 10, 2009
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