# Multiverses, In Theory… with Janna Levin

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Janna Levin explores multiverses… in theory. In the first installment of this series, Janna breaks down the different theories of the multiverse. From an infinite universe, to multiple big bangs, to the many worlds theory, uncover the bleeding edge of astrophysics theory on whether ours is the only universe.

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About StarTalk: Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

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- What it is: Recorded live
- Length: 16 min
- Shown live: Thu 29 Oct 2026, 16:00 UTC
- Rights holder: [StarTalk by Neil deGrasse Tyson](http://www.startalkradio.net/) (its site links the channel: https://startalkmedia.com/)
- Channel: [StarTalk](https://www.youtube.com/channel/UCqoAEDirJPjEUFcF2FklnBA)
- Plays: Wherever YouTube plays: its rights holder sets no limit
- Who can watch here: Adult profiles and older (no rating is recorded on YouTube, so adults only)
- Made for kids: No, as YouTube designates it
- On YouTube: [Watch on YouTube](https://www.youtube.com/watch?v=bDJ7wuHtk0c)

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