How Many Universes Are There?

PBS Space Time · Oct 21, 2026 · 22m

PBS Member Stations rely on viewers like you. To support your local station, go to: http://to.pbs.org/DonateSPACE

↓ More info below ↓

Uploaded 30-09-19

Sign Up on Patreon to get access to the Space Time Discord!

https://www.patreon.com/pbsspacetime

Check out the Space Time Merch Store

https://pbsspacetime.com/

The universe is big, but it’s peanuts compared to the eternally inflating multiverse. But just how many universes are there? What are they like? And most importantly, what can they tell us about … aliens?

Challenge Answer Winners

Steven Mertens

David DeLaney

Chris Lotery

Eneko

Fabien…