Archive: 22/03/2011

Dawn opens its eyes, checks its instruments

(PhysOrg.com) -- After a hibernation of about six months, the framing cameras on board NASA's Dawn spacecraft have again ventured a look into the stars. The spacecraft also powered up its visible and infrared mapping spectrometer, ...

dateMar 22, 2011 in Space Exploration
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Video: The science of NFL football

NBC's Lester Holt explores the prolate spheroid, the three-dimensional shape of a football, and how it helps an NFL quarterback throw a hard, accurate pass.

dateMar 22, 2011 in Other
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Enriching the intracluster medium

(PhysOrg.com) -- Galaxies are sometimes found in large clusters with many hundreds of members. Typically there is a giant elliptical galaxy near the center; most of these ellipticals are very bright emitters of radio radiation ...

dateMar 22, 2011 in Astronomy
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