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Apollo 16
Color enhancement of ten-minute far ultraviolet exposure of Earth

An artifically reproduced color enhancement of a ten-minute far-ultraviolet exposure of the Earth, taken with a filter which blocks the glow cause by atomic hydrogen but which transmits the glow caused by atomic oxygen and molecular nitrogen. Note that airglow emission bands are visible on the night side of the Earth, one roughly centered between the two polar auroral zones and one at an angle to this extending northward toward the sunlit side of the Earth.

Catalog Date: 21 April 1972
Film Type: 4x5
NASA image: S72-40821

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