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What Happens After the Universe Ends?

PBS Space Time · explainer · Watch on YouTube

Cosmology & astrophysics

What it is

PBS Space Time explains Roger Penrose's conformal cyclic cosmology, in which the far future of our universe becomes the big bang of the next. It explores what could come after the universe ends.

Why Hacker News recommends it

HN recommends it as a clearer explanation of Penrose's cyclic cosmology than comment threads can give.

  • 2 people recommended it
  • 2 different months
  • 0 strong recommendations
  • first 2020, last 2023

What HN commenters said

  1. “It's explained in this PBS Space Time episode much better”

    Explains conformal cyclic cosmology better than the comment.

    tiborsaas, 2020-10 · Recommendation · in “An earlier universe can still be observed today, says Roger Penrose”

  2. “I'd recommend learning a bit about what we think could come 'after' this period”

    Explores what might come after the universe's end.

    haxiomic, 2021-09 · Recommendation · in “The universe has already made almost all the stars it will ever make”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: penrose, conformal cyclic cosmology, heat death, big bang, physics

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