英语词汇“gravitational lens”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	gravitational lens
释义	gravitational lens noun : a massive celestial object (as a galaxy) that bends and focuses the light of another more distant object (as a quasar) by gravity in accordance with general relativity and that is usually detected by the multiple images it forms of the second object
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