Jisho

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Noun
1. moonbow; lunar rainbow; whitish rainbow cast by moonlight; lunar bow; space rainbow
Wikipedia definition
2. MoonbowA moonbow (also known as a lunar rainbow, white rainbow, lunar bow, or space rainbow) is a rainbow produced by light reflected off the surface of the moon rather than from direct sunlight. Moonbows are relatively faint, due to the smaller amount of light reflected from the surface of the moon. They are always in the opposite part of the sky from the moon.
Read “Moonbow” on English Wikipedia
Read “月虹” on Japanese Wikipedia
Read “Moonbow” on DBpedia

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