Determining the chemical mechanisms that govern new particle formation, or NPF, in the atmosphere is not something that can be pulled out of thin air. In the atmosphere, nucleating clusters are presumed to be composed of ...
Materials Science
Apr 10, 2013
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The sun recently erupted with two coronal mass ejections (CMEs). One began at 8:36 p.m. EDT on March 12, 2013 and is directed toward three NASA spacecraft, Spitzer, Kepler and Epoxi. There is, however, no particle radiation ...
Space Exploration
Mar 13, 2013
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(Phys.org)—Scientists at the University of California, Davis, have, for the first time, developed a system that can determine which types of air particles that pollute the atmosphere are the most prevalent and most toxic.
Environment
Feb 20, 2013
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(Phys.org)—On Feb. 9, 2013 at 2:30 a.m. EST, the sun erupted with an Earth-directed coronal mass ejection or CME, associated with a long duration C2.4-class flare. Experimental NASA research models, based on observations ...
Space Exploration
Feb 11, 2013
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In the evening of Feb. 5, 2013, the sun erupted with two coronal mass ejections or CMEs that may glance near-Earth space. Experimental NASA research models, based on observations from the Solar Terrestrial Relations Observatory ...
Space Exploration
Feb 7, 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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At 18.5 billion kilometres from Earth, the Voyager 1 space probe is the most distant human-made object ever to leave our planet.
Space Exploration
Dec 14, 2012
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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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On Nov. 20, 2012, at 7:09 a.m. EST, the sun erupted with a coronal mass ejection or CME. Not to be confused with a solar flare, a CME is a solar phenomenon that can send solar particles into space and can reach Earth one ...
Space Exploration
Nov 20, 2012
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(Phys.org)—On Nov. 13, 2012, the sun emitted a mid-level solar flare, peaking at 9:04 p.m. EST.
Space Exploration
Nov 13, 2012
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