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单词 gravitational lens
释义

WordReference Random House Unabridged Dictionary of American English © 2024
gravitational lens, [Astron.]
  1. Astronomya heavy, dense body, as a galaxy, that lies along our line of sight to a more distant object, as a quasar, and whose gravitational field refracts the light of that object, splitting it into multiple images as seen from the earth.
  • 1975–80

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