单词	cosmic string
释义	cosmic string noun : any of a class of hypothetical supermassive astronomical objects that are extremely thin but are millions of light years long and that are postulated to have formed very early in the history of the universe Example Sentences Recent Examples on the Web That likely would not create a stable wormhole, per se, as the cosmic strings would eventually vibrate themselves into nothingness. David Grossman, Popular Mechanics, 27 Aug. 2019 Gravitational waves could help with the search for cosmic strings—putative enormous, superdense filamentary structures in space. The Economist, 22 Aug. 2019 And some macroscopic signatures of the theory that might have been seen, such as cosmic strings and supersymmetry, have not shown up. Quanta Magazine, 18 Dec. 2017 Wormholes, black holes, cosmic strings, and circulating light beams have all been suggested as potential solutions for time-traveling to the past. Matt Blitz, Popular Mechanics, 28 May 2018 Word History First Known Use 1983, in the meaning defined above
随便看	Hertfordshire Hertfordshire kindness herthae herthas Herts hertz hertz oscillator hertzes hertzian hertzian oscillator hertzian telegraphy Hertzian wave hertzianer hertzianest hertzianner hertziannest Hertzog Hertzsprung-Russell diagram herva maté hery Herzberg Herzegovina herzegovinian herzegovinians Herzl

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