Snowball Earth
The Eastern Orthodox Church / The Eastern body of Christendom / That part of Christendom apart from the Eastern Catholic Churches / Any Church that self-designates as Orthodox
(organic chemistry) A heteroside, 2-O-a-D-galactopyranosylglycerol, present in the microalga Galdieria sulphuraria
Pronunciation spelling of screeching.
(geology) The planet Earth when its surface was almost completely frozen some time earlier than 650 million years ago, according to a hypothesis aiming to explain certain enigmatic features in the geological record, such as apparently glacial sedimentary deposits found at tropical paleolatitudes.
地球がほぼ全面的に凍結していたとする仮説は、6億5千万年以上前に地表がほとんど氷で覆われていた可能性があり、これが熱帯の古緯度で見つかる氷成堆積物を説明し得ると考えられている。
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