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If spinning-and-moving charges make magnetic fields, why does a giant neutral thing have one? Image credit: NASA, Chandra X-ray Observatory, SAO, DSS, via http://apod.nasa.gov/apod/ap140725.html. “By allowing the positive ions to […]
NASA released this image today of the nighttime view of one of the 66 house-sized dishes at Atacama Large Millimeter Array (ALMA), high up in the Atacama Desert of Northern […]
How Worlds Thought in the 1960s to be Circling Barnard’s Star Turned out to be Illusions. Image via: http://www.wingmakers.co.nz/universe/extrasolar/Barnards.html. In this golden age of exoplanet discovery, it is hard to […]
NASA today released this image of Gliese 832c, the closest potentially habitable exoplanet.  From NASA: This planet is only 16 light years away — could it harbor life? Recently discovered […]