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THE VIDEO SHELF · cosmology

What Happens After the Universe Ends?

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.

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Why HN readers recommended it

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

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel
PBS Space Time
Topic
cosmology
Format
explainer
Level
general
HN recommenders in dataset
2
HN mentions in dataset
5
Recommendation years in dataset
2020–2023

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

  • According to CCC and to my understanding, it is sort of the case. The universe has undergone a "scale change" which marks the beginning of a new Epoch. It's explained in this PBS Space Time episode much better: [VIDEO]

    tiborsaas on Hacker News · 2020-10
    In An earlier universe can still be observed today, says Roger Penrose

  • This dramatic visualization of the timeline for the rest of the universe is well worth a watch to get a feel for what we believe the future of the universe to look like [TIMELAPSE OF THE FUTURE: A Journey to the End of Time] [LINK] …

    haxiomic on Hacker News · 2021-09
    In The universe has already made almost all the stars it will ever make

Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.

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