(Phys.org) —Since 2000, the four identical satellites of the Cluster quartet have been probing Earth's magnetosphere in three dimensions. This week, two of them made their closest-ever approach, just 4 km, enabling valuable ...
Space Exploration
Sep 20, 2013
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According to the theory, small clusters of molecules in the atmosphere have difficulty growing large enough to act as "cloud condensation nuclei" on which water droplets can gather to make our familiar low-altitude clouds. ...
Astronomy
Sep 4, 2013
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(Phys.org) —Looking towards the constellation of Triangulum (The Triangle), in the northern sky, lies the galaxy pair MRK 1034. The two very similar galaxies, named PGC 9074 and PGC 9071, are close enough to one another ...
Astronomy
Jul 3, 2013
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(Phys.org) —Ammonia must overcome an energy barrier to join sulfuric acid and water to create clusters that can lead to cloud formation, according to scientists at Pacific Northwest National Laboratory and the University ...
Materials Science
May 24, 2013
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(Phys.org) —Smaller begets bigger. Such is often the case for galaxies, at least: the first galaxies were small, then eventually merged together to form the behemoths we see in the present universe.
Astronomy
Apr 17, 2013
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A duo of astronomers, Dr. Youichi Ohyama (Institute of Astronomy and Astrophysics, Academia Sinica or ASIAA, Taiwan) and Dr. Ananda Hota (UM-DAE Centre for Excellence in the Basic Sciences or CBS, India), has discovered a ...
Astronomy
Apr 11, 2013
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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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(Phys.org)—The NASA/ESA Hubble Space Telescope captured an impressive image of the irregular galaxy NGC 5253.
Astronomy
Dec 3, 2012
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(Phys.org)—By combining the power of the NASA/ESA Hubble Space Telescope, NASA's Spitzer Space Telescope and one of nature's zoom lenses, astronomers have found what is probably the most distant galaxy yet seen in the Universe. ...
Astronomy
Nov 15, 2012
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(Phys.org)—Using images from the 340 Mpx MegaCam camera on the Canada-France-Hawaii Telescope (CFHT) from the summit of Mauna Kea, astronomers identified the massive cluster of young stars NGC 1980 to be a clearly separate ...
Astronomy
Nov 13, 2012
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