NASA Van Allen Probe A reentry
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NASA Monitors Impending Reentry of Defunct Van Allen Spacecraft as Risks Remain Low

NASA Monitors Impending Reentry of Defunct Van Allen Spacecraft as Risks Remain Low NASA and the US Space Force are tracking the uncontrolled reentry of the 600kg Van Allen Probe A, expected to burn up in the atmosphere this Tuesday. While some debris may survive, NASA estimates a low 1-in-4,200 risk to human safety, marking the end of a historic decade-long radiation belt mission.  
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