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.

Fraser Cain

Fraser Cain is the publisher of Universe Today. He's also the co-host of Astronomy Cast with Dr. Pamela Gay. Here's a link to my Mastodon account.

Recent Posts

How Did Black Holes Grow So Quickly? The Jets

A current mystery in astronomy is how supermassive black holes gained so much heft so…

50 minutes ago

Quantum Correlations Could Solve the Black Hole Information Paradox

The black hole information paradox has puzzled physicists for decades. New research shows how quantum…

17 hours ago

M87 Releases a Rare and Powerful Outburts of Gamma-ray Radiation

In April 2019, the Event Horizon Telescope (EHT) collaboration made history when it released the first-ever…

20 hours ago

Astronomers Find a Black Hole Tipped Over on its Side

Almost every large galaxy has a supermassive black hole churning away at its core. In…

24 hours ago

NASA is Developing Solutions for Lunar Housekeeping’s Biggest Problem: Dust!

Through the Artemis Program, NASA will send the first astronauts to the Moon since the…

2 days ago

Where’s the Most Promising Place to Find Martian Life?

New research suggests that our best hopes for finding existing life on Mars isn’t on…

2 days ago