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Join Neil deGrasse Tyson and guests as they tackle mind-bending topics like Andromeda's collision with the Milky Way, white holes, a holographic universe, the concept of infinite universes, alien technology, and the lifecycle of stars. Get ready for a cosmic journey that will leave you questioning reality!
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Quick takeaways
- Local gravity dominates galaxy movements despite universal expansion.
- The universe may be finite or infinite, with possibilities of infinite space or mirrored universes.
Deep dives
Black holes in our galaxy are on a collision course with Andromeda
The expansion of the universe is like a stretchy fabric. Nearby galaxies move due to local gravity, surpassing the expansion rate. Thus, despite universal expansion, local interactions like gravity dominate, causing galaxies like the Milky Way and Andromeda to collide.
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