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单词 event horizon
释义

event horizon

noun

: the surface of a black hole : the boundary of a black hole beyond which nothing can escape from within it

Example Sentences

Recent Examples on the Web Inside a black hole’s event horizon, in a sense, time stops flowing forward and starts flowing inward. Randall Munroe, WIRED, 23 Aug. 2022 The issue begins with the end of the union of the two particles straddling the event horizon. Ahmed Almheiri, Scientific American, 17 Aug. 2022 The gravitational waves might congregate outside a black hole’s event horizon and concentrate their energy to such an extent that a separate singularity would form. Steve Nadis, Quanta Magazine, 4 Aug. 2022 The event horizon of the black hole, the region where the pull is too strong for light to escape, would extend to the orbit of Uranus. Randall Munroe, WIRED, 23 Aug. 2022 Sahu says that if this solar mass black hole is 7.1 times the mass of our Sun, its event horizon (or its outer boundary) would be about 26 miles in diameter. Bruce Dorminey, Forbes, 11 June 2022 Its event horizon is nearly 25 billion miles wide, with a mass roughly that of 6.5 billion suns. Corinne Purtillstaff Writer, Los Angeles Times, 12 May 2022 In contrast, the accretion disk around a feeding black hole is viscous and hot, and its temperature increases from its exterior toward the event horizon of the black hole. Aaron S. Evans, Scientific American, 1 Dec. 2021 And then the gravitational interaction with local light gets concentrated in this ring that’s two-and-a-half times bigger that the event horizon. Corinne Purtillstaff Writer, Los Angeles Times, 13 May 2022 See More

Word History

First Known Use

1956, in the meaning defined above

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更新时间:2024/11/11 4:00:31