Astronomy Cast Ep. 801: The Beginning & End of Everything - Part 2

https://www.youtube.com/watch?v=jFzHdB1nM9Y - With credits added.

Streamed live on Sep 7, 2026.

Hosted by: Fraser Cain (@frasercain) and Dr. Pamela L. Gay (@CosmoQuest)

This show is supported through people like you on Patreon.com/AstronomyCast

Today we do the sequel to our 2-part series. We jump to the end of the Universe, and all the major moments that will occur from now until the heat death of the Universe. The end of everything.

- The fate & future of the Milky Way

- Cosmic isolation

- The cosmic microwave background

- The end of star formation

- The degenerate era

- Proton decay and entropy

- Black hole evaporation & entropy

- Alternate endings, cosmic rip, new beginnings

- Closing thoughts and updates

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The 365 Days of Astronomy Podcast is produced by the Planetary Science Institute. http://www.psi.edu

Visit us on the web at 365DaysOfAstronomy.org or email us at [email protected].