(Phys.org) —The Small Magellanic Cloud (SMC) is one of the Milky Way's closest galactic neighbors. Even though it is a small, or so-called dwarf galaxy, the SMC is so bright that it is visible to the unaided eye from the ...
Astronomy
Apr 3, 2013
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Almost unknown to the public, a constellation of satellite guardians is flying overhead, and all it takes is a phone call for them to intervene when a country is hit by a storm, earthquake, tsunami or flood.
Space Exploration
Apr 3, 2013
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During geomagnetic storms, stable auroral red (SAR) arcs reach down from polar latitudes, their faint glow stretching equatorward of the traditional auroral oval. Invisible to the naked eye, SAR arcs are an upper atmospheric ...
Earth Sciences
Mar 30, 2013
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(Phys.org) —NASA released a new sped-up, 32-second video that shows engineers working on some of the James Webb Space Telescope's flight components to integrate them together to ensure they will work perfectly together ...
Space Exploration
Mar 27, 2013
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(Phys.org) —A sequence of radar images of asteroid 2013 ET was obtained on March 10, 2013, by NASA scientists using the 230-foot (70-meter) Deep Space Network antenna at Goldstone, Calif., when the asteroid was about 693,000 ...
Space Exploration
Mar 19, 2013
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(Phys.org) —While performing an extensive X-ray survey of our galaxy's central regions, NASA's Swift satellite has uncovered the previously unknown remains of a shattered star. Designated G306.3.9 after the coordinates ...
Astronomy
Mar 15, 2013
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(Phys.org)—Two teams of astronomers have used data from NASA's Chandra X-ray Observatory and other telescopes to map the distribution of dark matter in a galaxy cluster known as Abell 383, which is located about 2.3 billion ...
Astronomy
Feb 28, 2013
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(Phys.org)—This composite image shows the distribution of dark matter, galaxies, and hot gas in the core of the merging galaxy cluster Abell 520, formed from a violent collision of massive galaxy clusters that is located ...
Astronomy
Feb 28, 2013
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Letting secondary school students use an operating NASA spacecraft to take images of Mars is about as hands-on as science education can get. Nor are the students just aiming the space camera randomly. Instead, they are targeting ...
Space Exploration
Feb 21, 2013
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The James Webb Space Telescope marked another year of significant progress in 2012 as flight instrumentation was completed and delivered to NASA.
Space Exploration
Feb 5, 2013
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