@ShellyKramer tweets related to: Black Hole, Nustar, Riddle, Spin, Nasa's

February 27, 2013 PASADENA, Calif. -- Two X-ray space observatories, NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) and the European Space Agency's XMM-Newton, have teamed up to measure definitively, for the first time, the spin rate of a black hole with a mass 2 million times that of our sun.
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RT @botbkc: #NASA's NuSTAR Helps Solve Riddle of Black Hole Spin http://t.co/jGNxx9aeSb #space

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