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

NASA Takes Six Advanced Tech Concepts to Phase II

It's that time again. NIAC (NASA Innovative Advanced Concepts) has announced six concepts that will…

48 mins ago

China is Going Back to the Moon Again With Chang'e-6

On Friday, May 3rd, the sixth mission in the Chinese Lunar Exploration Program (Chang'e-6) launched…

3 hours ago

What Can Early Earth Teach Us About the Search for Life?

Earth is the only life-supporting planet we know of, so it's tempting to use it…

3 hours ago

China Creates a High-Resolution Atlas of the Moon

Multiple space agencies are looking to send crewed missions to the Moon's southern polar region…

23 hours ago

Dinkinesh's Moonlet is Only 2-3 Million Years Old

Last November, NASA's Lucy mission conducted a flyby of the asteroid Dinkinish, one of the…

2 days ago

The Universe Could Be Filled With Ultralight Black Holes That Can't Die

Steven Hawking famously calculated that black holes should evaporate, converting into particles and energy over…

2 days ago