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Contact: Deborah Williams-Hedges
California Institute of Technology

Gravitational Lensing

Caption: Light rays from a distant galaxy are deflected due to the gravity of a massive, foreground galaxy, as predicted by Einstein's theory of general relativity. This makes the background galaxy appear as multiple magnified images surrounding the foreground galaxy.

Credit: ALMA (ESO/NRAO/NAOJ), L. Calçada (ESO), Y Hezaveh et al.

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