Gravitational Lensing.. #gravity #gravitationallensing #shorts #physicsshorts #blackhole #darkmatter
Channel: CosmObserver
Date: 25/06/2021

Unlike an optical lens, a point-like gravitational lens produces a maximum deflection of light that passes closest to its center, and a minimum deflection of light that travels furthest from its center.
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 Consequently, a gravitational lens has no single focal point, but a focal line. The term "lens" in the context of gravitational light deflection was first used by O.J. Lodge.
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