Alternate Definitions for polar rain

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Term: polar rain
Definition:

In the Earth’s upper atmosphere, a weak, structureless, near-isotropic flux of electrons precipitating into the polar caps.
NOAA SWPC SpWx Glossary Planetary Astrophysics Heliophysics
Created 2023.04.16
Last Modified 2023.04.16
Contributed by Ryan McGranaghan
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