Jisho

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ちきゅうしょう 地球照
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Noun
1. Earth light (illumination of the moon by light reflected from the Earth); earthshine​
Wikipedia definition
2. Planetshine​The phenomenon known as planetshine occurs when reflected sunlight from a planet illuminates the night side of one of its moons. Typically, this results in the moon's night side being bathed in a soft, faint light. The best known example of planetshine is earthshine, which can be seen from Earth when the Moon is a thin crescent.
Read “Planetshine” on English Wikipedia
Read “地球照” on Japanese Wikipedia
Read “Planetshine” on DBpedia

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