 |  Streaks in aurorae found to map features in Earth’s radiation environment
 29 August 2019
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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