Tag: Van Allen radiation belts

  • NASA’s resilient Van Allen Probes shut down

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    Artist’s concept of NASA’s Van Allen Probes. Credit: NASA Ground controllers transmitted commands to shut down the second of NASA’s Van Allen Probes on Friday, three months after turning off an identical satellite to conclude a seven-year mission that explored the donut-shaped radiation belts surrounding Earth. The Van Allen Probes were running low on fuel…