black aurorae
plural of black aurora Alternative form of black auroras
plural of speechwriter
20-hydroxyecdysone, a naturally occurring ecdysteroid hormone which controls the ecdysis (moulting) and metamorphosis of arthropods.
Alternative form of cosmic gravitational-wave background
乗組員は、氷に覆われた平原の上で不思議な黒いオーロラが踊る様子を撮影した。それはこれまで記録されたことのない現象だった。
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