Can you tell me about the history of gravitational lensing?
Gravitational lensing was first predicted by Albert Einstein in 1915 as part of his General Theory of Relativity.
What are some key discoveries related to it?
One key discovery was in 1979 when the first gravitational lens, 0957+561, was observed, confirming Einstein's theory.
How has it impacted our understanding of the universe?
Gravitational lensing has allowed astronomers to study dark matter and the expansion of the universe more accurately.
Are there any recent advancements in this field?
Yes, recent advancements include using gravitational lensing to discover exoplanets and study distant galaxies.
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