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airglowfaint light emitted by the upper atmosphere of Earth or another planet.
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airglow(Also called light-of-the-night-sky, night-sky light, night-sky luminescence, permanent aurora.) The quasi-steady radiant emission from the upper atmosphere over middle and low latitudes, to be distin [..]
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airglowA faint emission of light by a planetary atmosphere. Also called nightglow.
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airglow
A faint illumination in the night sky due to photochemical luminescence in the upper atmosphere.
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