Corey S Powell on Nostr: Colors of an aurora depend not only on which element is emitting light, but also on ...
Colors of an aurora depend not only on which element is emitting light, but also on *where* it is.
Oxygen at high altitudes glows red; at lower altitudes it glows green. Purple nitrogen is lower still.
Atoms are complicated creatures!
#aurora #science #nature #physics
Published at
2024-05-12 07:10:52Event JSON
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