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Gravitational lenses allow researchers to map the inner regions of distant quasars at high resolutions by using the lens to magnify light variations.
“if you can model all of it, then you can use the gravitational lens to actually map the inner regions of the quasar, which is still very hard because they're still very tiny and very far away.”
StarTalk · Jun 2026 · 2 episodes · 1.0M views on this topicExtracted by a model; may misattribute who said what.