Our sun is a chaotic place, simmering with magnetic energy and constantly spewing out particles. Sometimes the sun releases solar flares and coronal mass ejections—huge eruptions of charged particles—which contribute ...
Space Exploration
Mar 30, 2017
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Launched 10 years ago, on Oct. 25, 2006, the twin spacecraft of NASA's STEREO mission – short for Solar and Terrestrial Relations Observatory – have given us unprecedented views of the sun, including the first-ever simultaneous ...
Space Exploration
Oct 26, 2016
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156
On Oct. 1, 2014, NASA mission operations lost communication with one of the two spacecraft of the Solar and Terrestrial Relations Observatory, or STEREO, mission, just as the spacecraft was about to orbit around the other ...
Space Exploration
Dec 14, 2015
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53
On April 20, 2013, at 2:54 a.m. EDT, the sun erupted with a coronal mass ejection (CME), a solar phenomenon that can send billions of tons of solar particles into space that can affect electronic systems in satellites. Experimental ...
Space Exploration
Apr 22, 2013
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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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The Naval Research Laboratory's Solar Orbiter Heliospheric Imager (SoloHI), part of the Solar Orbiter mission, is headed for space. The European Space Agency (ESA) has chosen the Solar Orbiter mission as the first mission ...
Space Exploration
Jan 24, 2012
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0
(PhysOrg.com) -- On October 25, 2006 a Delta II rocket launched from Cape Canaveral carrying two nearly identical spacecraft. Each satellite was one half of a mission entitled Solar TErrestrial RElations Observatory (STEREO) ...
Space Exploration
Oct 27, 2011
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Scientists from Boston University's Center for Space Physics reported today that NASA satellites designed to view the escaping atmosphere of the Sun have also recorded evidence of escaping gas from the planet Mercury. The ...
Space Exploration
Sep 22, 2010
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(PhysOrg.com) -- The corona is the hot outer region of the sun's atmosphere. The corona is threaded by magnetic fields that loop and twist upwards from the sun's surface, driven by motions of its dense atmosphere.
Astronomy
Dec 11, 2009
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