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Did Time Start at the Big Bang?

PBS Space Time · explainer · Watch on YouTube

Cosmology & astrophysics

What it is

A PBS Space Time episode asking whether time began at the Big Bang. It explains that the Big Bang is not what most people were taught and what 'start' of the universe really means.

Why Hacker News recommends it

Used as a go-to reference for cosmology questions about the beginning of time and the universe's scale.

  • 1 people recommended it
  • 1 different months
  • 1 strong recommendations
  • first 2020, last 2024

What HN commenters said

  1. “Space Time: PBS Physics, sooo good”

    Great first video of PBS Space Time

    davidwf, 2021-01 · Strong recommendation · in “Ask HN: What YouTube channels do you subscribe to?”

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

Topics: big bang, pbs space time, time, universe, physics

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