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lens, gravitational |
Also found in: Dictionary/thesaurus, Wikipedia | 0.59 sec. |
lens, gravitationalObject in space which, by its gravitational field, bends light in a similar way to a spectacle lens. As a result of this, one object, such as a quasar, can appear as multiple images. A gravitational lens also produces a magnifying effect. Numerous examples are now known of such multiple imaging. Images of quasars and galaxies are also stretched into arcs by gravitational lenses. |
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