gravitational lens

noun
Updated on: 18 Jan 2018

Definition of gravitational lens

: a massive celestial object (such as a galaxy) that bends and focuses the light of another more distant object (such as a quasar) by gravity and that is usually detected by the multiple images it forms of the second object

Recent Examples of gravitational lens from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'gravitational lens.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of gravitational lens

1937


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the quality or fact of being simultaneous

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