Podcast: Gravitational Lensing

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.

Click here to download the episode

Gravitational Lensing – Show notes and transcript

Or subscribe to: astronomycast.com/podcast.xml with your podcatching software.