单词	collapsar
释义	collapsar noun col·​lap·​sar kə-ˈlap-ˌsär plural collapsars : a massive star that undergoes gravitational collapse especially after colliding with another star Collapsars are massive stars, which in the course of merging with a compact companion undergo core collapse leading to a BH [black hole] … leaving a supernova-like remnant. P. Mészáros, Science, 5 Jan. 2001 Today most astronomers think gamma-ray bursts result when a massive and rapidly rotating star collapses in on itself to form a black hole. The collapsing star, or collapsar, is a kind of supernova, but the extraordinary heft and spin of the star bring it to a faster and more calamitous end. Karen Wright, Discover, August 2002 broadly : black hole sense 2 This classification of stars results in three main types: regular stars (covering white dwarfs to super-giants) …, neutron stars and pulsars, … and collapsars (i.e. black holes) … . Pierre A. Millette, Progress in Physics, January 2014 Word History Etymology collapse entry 1 + -ar (as in quasar) First Known Use 1971, in the meaning defined above
随便看	no de ber no dice no disputing no doubt no doubt about it no doubt in someone's mind no easy matter no easy thing no easy/simple matter no end no end in sight no exception no fair no fear no fewer than no fixed abode no flies on no future no gain without pain no go no good no great shakes no hard feelings no harm done no help for it

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