255 miles above EarthWeird but True
An astronaut photographed purple aurora from 255 miles up. Its color is a clue
The September 7 frame stacks city lights, white airglow and aurora above Central Asia. Different gases and altitudes make the colors.
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255 miles above EarthWeird but True
The September 7 frame stacks city lights, white airglow and aurora above Central Asia. Different gases and altitudes make the colors.
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