Last Updated：2025/11/22
(meteorology, astronomy) A rare phenomenon observed in morning or evening when the sun is crossing or immediately below the horizon, in which a momentary flash or ray of green light appears above the upper rim of the solar disk, caused by refraction of light in the atmosphere.
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green flash
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Source Word
green flash
Noun
Japanese Meaning
（気象学・天文学）日の出前または日没後に、太陽が地平線近くを通過するとき、太陽円盤の上部端の上に現れる一瞬の緑色の閃光現象。
（ plural ）
