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CAPE CANAVERAL, Fla. - Inside the Astrotech payload processing facility near NASA’s Kennedy Space Center in Florida, technicians deploy one of four solar arrays of the Radiation Belt Storm Probes, or RBSP, spacecraft A. Deploying these arrays is standard procedure to ensure they work properly on Earth before they head into space. As the spacecraft orbits Earth, the panels will continuously face the sun to provide constant power to its instruments. In the back right of the facility, is spacecraft B, which is identical to spacecraft A. Together, NASA’s two RBSP spacecraft will help us understand…