#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. 664: The First Stars

Ep. 664: The First Stars

The Sun is a third generation star, polluted with the metals from long dead stars. Astronomers have also discovered second generation stars, with very low metallicity. But theories suggest there must be a first generation, with stars made from only pure hydrogen and hel…

Ep. 663: End of Year Observing Events

Ep. 663: End of Year Observing Events

We generally save our stargazing suggestions for the summer, when it’s warmer in the northern hemisphere. But you’re tough, you can handle a little cold. And it’s worth it because there are some wonderful things you can see in the night sky this time of year.

Ep. 661: Looking Back on the Missions That Ended

Ep. 661: Looking Back on the Missions That Ended

It’s always sad to say goodbye, but when we send our robotic emissaries out into the cosmos, it’s just a matter of time before they shut down. Today we’re going to say goodbye to a few missions which have reached the end of their lives. But they were very good rob…

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