(Phys.org)—The corona of the sun is the hot (over a million kelvin), gaseous outer region of its atmosphere. The corona is threaded by intense magnetic fields that extend upwards from the surface in braids that are twisted ...
Space Exploration
Feb 4, 2013
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On Jan. 31, 2013 at 2:09am EST, the sun erupted with an Earth-directed coronal mass ejection or CME. Experimental NASA research models, based on observations from the Solar Terrestrial Relations Observatory (STEREO) and ESA/NASA's ...
Space Exploration
Jan 31, 2013
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On Jan. 23, 2013, at 9:55 a.m. EST, the sun erupted with an Earth-directed coronal mass ejection, or CME. Experimental NASA research models, based on observations from the Solar Terrestrial Relations Observatory (STEREO) ...
Space Exploration
Jan 24, 2013
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On Nov. 23, 2012, at 8:54 a.m. EST, the sun erupted with an Earth-directed coronal mass ejection or CME. Experimental NASA research models, based on observations from the Solar Terrestrial Relations Observatory (STEREO) and ...
Space Exploration
Nov 26, 2012
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(Phys.org)—On Nov. 21, 2012, at 11:24 a.m. EST, the sun erupted with an Earth-directed coronal mass ejection or CME. Experimental NASA research models, based on observations from the Solar Terrestrial Relations Observatory ...
Space Exploration
Nov 23, 2012
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On Nov. 9, 2012, at 10:24 a.m. EST, the sun emitted an Earth-directed coronal mass ejection (CME). A CME is a solar phenomenon that can send billions of tons of solar particles into space and can reach Earth one to three ...
Space Exploration
Nov 12, 2012
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(Phys.org)—As Hurricane Sandy wreaked havoc on the east coast, weather experts at the Short-term Prediction Research and Transition, or SPoRT Center at NASA's Marshall Space Flight Center in Huntsville were busy developing ...
Earth Sciences
Nov 5, 2012
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(Phys.org)—The western half of the continental U.S. and central and northern Alaska could be in for a warmer-than-average winter, while most of Florida might be colder-than-normal December through February, according to ...
Earth Sciences
Oct 19, 2012
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People love to complain about the weather – and especially about weather forecasters. But real, accurate forecasting beyond five to seven days is immensely complicated, due to the sheer volume of atmospheric processes and ...
Mathematics
Sep 12, 2012
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(Phys.org)—Since the dawn of the Space Age, mission planners have tried to follow one simple but important rule: Stay out of the van Allen Belts. The two doughnut-shaped regions around Earth are filled with "killer electrons," ...
Space Exploration
Aug 31, 2012
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