#763: Interstellar Comets

During our summer hiatus, the third interstellar object was discovered, 3I/ATLAS. Now we have three different interstellar interlopers to compare and contrast.

Our Hosts


Fraser Cain
Universe Today

Dr. Pamela L. Gay
CosmoQuest @ PSI.

Behind the Scenes

  • Richard Drumm, Audio Engineer
  • Avivah Yamani & Ally Pelphrey, Production Support
Ep. 672: Space Debris Removal

Ep. 672: Space Debris Removal

We’ve talked about the rising problem of space junk. Okay, we know it’s an issue. So what can be done about it? Today we’ll talk about ideas to remove space junk, making sure space is open to use for the centuries to come.

Ep. 671: The Consequences to Breaking Space Laws

Ep. 671: The Consequences to Breaking Space Laws

Last week we talked about the laws that govern space exploration. This week the rubber hits the road. What are the consequences for actually breaking these rules? Are they really going to stop anyone?

Ep. 670: Governing Space – The Outer Space Treaty of 1967

Ep. 670: Governing Space – The Outer Space Treaty of 1967

The Universe was inaccessible for most of human history, but the first tentative steps to space in the 20th century made humanity realize that science fiction was becoming science reality. New rules would have to be written to govern how we used this limitless expanse. …

Ep. 669: Challenges to Dark Energy

Ep. 669: Challenges to Dark Energy

It’s been over 20 years since astronomers first discovered that the expansion of the Universe is accelerating thanks to dark energy. And in these decades, astronomers still don’t have much evidence for what could be causing the increased expansion rate. Maybe there…

Want ad-free listening?

Join Patreon at the $1/month level or highter

Watch this space! Special collections are coming soon.