Podcast: Gravitational Lensing | Universe Today

Written by Fraser Cain

Astronomers are always trying to get their hands on bigger and more powerful telescopes. But the most powerful telescopes in the Universe are completely natural, and the size of a galaxy cluster. When you use the gravity of a galaxy as a lens, you can peer right back to the edges of the observable Universe.

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Filed under: Gravitational Lensing, Podcasts

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