gravity-brightening
A general guideline, rather than a strict rule; an approximate measure or means of reckoning based on experience or common knowledge. / (attributive, usually hyphenated) Approximated, guesstimated.
(mineralogy) A chlorite that contains mostly ferric iron rather than ferrous iron. Leptochlorites are typically richer in trivalent ions relative to silicon and divalent ions.
(military) A unit of angular measurement equal to 1/6400 of a complete circle. At 1000 metres one mil subtends about one metre (~0,98 m). Also 1/6000 and 1/6300 are used in other countries.
Alternative form of gravity brightening
研究者たちは、連星系で重力による明るさの増加に起因する予期せぬ光度の上昇を観測した。
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