A special kind of streaked aurora has been found to track disturbances in near-Earth space from the ground. Known as structured diffuse aurora, it was recently discovered, with the help of NASA spacecraft and instruments, that these faint lights in the night sky can map the edges of the Van Allen radiation belts--hazardous concentric bands of charged particles encircling Earth.
Streaks in aurora found to map features in earth's radiation environment
Phys.org - 27 Aug 2019 20:34
A special kind of streaked aurora has been found to track disturbances in near-Earth space from the ground. Known as structured diffuse aurora, it was recently discovered, with the help of NASA spacecraft and instruments, that these faint lights in the night sky can map the edges of the Van Allen radiation belts--hazardous concentric bands of charged particles encircling Earth.
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