Looking across the Mars landscape presents a bleak image: a barren, dry rocky view as far as the eye can see. But scientists think the vista might once have been quite different. It may have teemed with water and even been ...
Space Exploration
Sep 24, 2014
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This one may truly knock your socks off. Remember the spectacular filament eruption on the Sun on August 31 that we posted last week? The folks from NASA Goddard's Scientific Visualization Studio now have put out a video ...
Space Exploration
Sep 6, 2012
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A new radio telescope array developed by a consortium led by Caltech and now operating at the Owens Valley Radio Observatory has the ability to image simultaneously the entire sky at radio wavelengths with unmatched speed, ...
Astronomy
May 11, 2015
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On July 23, 2012, a massive cloud of solar material erupted off the sun's right side, zooming out into space, passing one of NASA's Solar TErrestrial RElations Observatory (STEREO) spacecraft along the way. Using the STEREO ...
Space Exploration
Aug 13, 2012
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Coronal heating is a topic dedicated to explaining how the corona may be heated up to a temperature of millions of degrees, far above that of the photosphere. To transport magnetic energy into the corona, Alfvén-wave turbulence ...
Astronomy
Apr 6, 2020
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(PhysOrg.com) -- Solar physicists at NASA have confirmed that small, sudden bursts of heat and energy, called nanoflares, cause temperatures in the thin, translucent gas of the sun's atmosphere to reach millions of degrees.
Astronomy
Aug 14, 2009
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An international team of scientists has proved that Mercury, our solar system's smallest planet, has geomagnetic storms similar to those on Earth.
Astronomy
Mar 31, 2022
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Could the flapping of a butterfly's wings in Costa Rica set off a hurricane in California? The question has been scrutinized by chaos theorists, stock-market analysts and weather forecasters for decades. For most people, ...
Space Exploration
Sep 19, 2017
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A pair of unusually large solar flares early yesterday generated a Coronal Mass Ejection that will reach Earth around mid-day today. It will likely cause at least a strong geomagnetic storm that could affect satellites in ...
Space Exploration
Mar 9, 2012
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Eruptive events on the sun can be wildly different. Some come just with a solar flare, some with an additional ejection of solar material called a coronal mass ejection (CME), and some with complex moving structures in association ...
Space Exploration
Feb 20, 2013
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