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Light in a night sky
Answer for the clue "Light in a night sky ", 7 letters:
airglow
Word definitions for airglow in dictionaries
Wiktionary
Word definitions in Wiktionary
n. A faint illumination in the night sky due to photochemical luminescence in the upper atmosphere.
Wikipedia
Word definitions in Wikipedia
Airglow (also called nightglow ) is a faint emission of light by a planetary atmosphere . In the case of Earth's atmosphere , this optical phenomenon causes the night sky never to be completely dark, even after the effects of starlight and diffused sunlight ...
Usage examples of airglow.
Much of the down-looking view was burned out by airglow around the torch.
As soon as Horza came through from the corridor, flame splashed from the wall alongside him, and he saw the brief airglows of lasertracks just to one side of his suit, leading back through the gap in the wall and down the tunnel.