coreyspowell, 11 days ago 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
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