Van Allen Probes prepare for final descent into Earth's atmosphere
Wednesday, March 27, 2019 - 09:20
in Astronomy & Space
Two tough, resilient NASA spacecraft have been orbiting Earth for the past six and a half years, flying repeatedly through a hazardous zone of charged particles known as the Van Allen radiation belts. The twin Van Allen Probes have confirmed scientific theories and revealed new structures, compositions, and processes at work in these dynamic regions.