night airglow
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airglow — [er′glō΄] n. the steady, faint glow, usually seen in the night sky, caused by molecules and atoms in the upper atmosphere that slowly release photochemical energy: visible only over middle and low latitudes … English World dictionary
night|glow — «NYT GLOH», noun. airglow occurring at night: »Nightglow is faintest at the zenith overhead and grows in intensity down the sky until it reaches a maximum about 10 degrees above the horizon (Scientific American) … Useful english dictionary
Airglow — Dayglow Nightglow Airglow (also called night … Wikipedia
airglow — /air gloh /, n. a dim light from the upper atmosphere caused by emissions from atoms and molecules ionized by solar radiation: observed at night (nightglow), during the day (dayglow), and at twilight (twilight glow), with each having slightly… … Universalium
Night sky — For other uses, see Night sky (disambiguation). The Moon is the most common major object viewed in the night sky … Wikipedia
Night glow — For the atmospheric phenomenon, see Airglow. Night glow with fireworks at the European Balloon Festival, July, 2008 … Wikipedia
night-sky light — /nuyt skuy / the faint glow of the night sky, caused by such phenomena as airglow and zodiacal light. [1975 80] * * * … Universalium
night-sky light — /nuyt skuy / the faint glow of the night sky, caused by such phenomena as airglow and zodiacal light. [1975 80] … Useful english dictionary
airglow — noun Date: circa 1950 light that is observed especially during the night, that originates in the high atmosphere of a planet (as the earth), and that is associated with photochemical reactions of gases caused by solar radiation … New Collegiate Dictionary
airglow — noun A faint illumination in the night sky due to photochemical luminescence in the upper atmosphere … Wiktionary
