What If: Science, Theory, and Possibilities episodes
What If the Universe Starts Shrinking?

What If the Universe Starts Shrinking?

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This isn't the first time you've pondered this question. Imagine the Universe not expanding but shrinking, with spacetime contracting until it forms a singularity smaller than a YouTube Like button. After collapsing, there's a possibility it could explode outward, similar to a supernova, creating a new universe. This could be the 'Big Bounce' instead of the Big Bang, potentially occurring countless times.


Explore if the Universe starts shrinking and understand the implications on cosmic phenomena.


Check out DESI observatory's YouTube channel.


Timeline of Key Moments:

  • 01:12 This is The End
  • 04:51 Redshift & Hubble's Discovery
  • 06:53 Is Dark Energy Weakening?
  • 09:02 The Math Behind the End of the Universe
  • 09:01 The Lifespan of The Universe
  • 10:59 The Return
  • 12:41 Galactic Collisions & Escalating Heat
  • 14:19 The Final Countdown to Singularity
  • 16:51 The Big Crunch
  • 17:21 The Big Bounce & Cyclical Universes

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#universe, #shrinking universe, #spacetime, #singularity, #Big Bounce, #Big Bang, #cosmos, #science, #space, #DESI observatory


Timeline

01:12:This is The End

04:51:Redshift & Hubble's Discovery

06:53:Is Dark Energy Weakening?

09:02:The Math Behind the End of the Universe

09:01:The Lifespan of The Universe

10:59:The Return

12:41:Galactic Collisions & Escalating Heat

14:19:The Final Countdown to Singularity

16:51:The Big Crunch

17:21:The Big Bounce & Cyclical Universes