gravitational lens
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About Our Definitions: All forms of a word (noun, verb, etc.) are now displayed on one page.gravitational lens
nounDefinition of GRAVITATIONAL LENS
: a massive celestial object (as a galaxy) that bends and focuses the light of another more distant object (as a quasar) by gravity and that is usually detected by the multiple images it forms of the second object
First Known Use of GRAVITATIONAL LENS
1937
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