airglow

/air-gloh/US // ˈɛərˌgloʊ //UK // (ˈɛəˌɡləʊ) //

空照,空中光环,空中光影,空中光辉

Definitions

n.名词 noun

1
- : a dim light from the upper atmosphere caused by emissions from atoms and molecules ionized by solar radiation: observed at night , during the day , and at twilight , with each having slightly different characteristics.