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Very Illuminating
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Very Illuminating

December 27, 2012
In a clean-room environment at Astrotech's payload processing facility, technicians conduct an illumination test on the solar array panels for NASA's Juno spacecraft. The solar-powered spacecraft will orbit Jupiter's poles 33 times to find out more about the gas giant's origins, structure, atmosphere and magnetosphere and investigate the existence of a solid planetary core. Photo credit: NASA/Jack Pfaller May 19, 2011