NASA launches twin probes to explore radiation belts
Liftoff! NASA Launches Twin Probes to Study Earth's Radiation Belts

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The twin Radiation Belt Storm Probes launched at 4:05 a.m. EDT on Aug. 30 from Florida's Cape Canaveral Air Force Station, lighting up the predawn sky as it soared into space atop an unmanned United Launch Alliance Atlas 5 rocket.

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