单词	supernova
释义	supernova /ˌsuːpəˈnəʊvə / noun (plural supernovae /ˌsuːpəˈnəʊviː/ or supernovas) Astronomy A star that suddenly increases greatly in brightness because of a catastrophic explosion that ejects most of its mass.They discover comets, asteroids, quasars, pulsars, supernovae, planets orbiting other stars, and galaxies at the edge of the universe, but none have ever claimed to have discovered a UFO.... I read up on interstellar objects and astrophysics and studied quasars, pulsars and supernovas, but my main focus was black holes. An international team of astronomers has identified the surviving companion star to the 1572 supernova explosion witnessed by the Danish astronomer Tycho Brahe.
随便看	Burma Burman bur-marigold Burma Road Burmese Burmese cat burn burnable burn a hole in someone's pocket burn (also lay) rubber burned Burne-Jones, Sir Edward burner burner phone burnet burnet rose burnet saxifrage Burnett, Carol Burnett, Frances Hodgson Burney, Fanny burn-in burning burning bush burning ghat burning glass

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