HackerTube.dev

How Time Becomes Space Inside a Black Hole | Space Time

PBS Space Time · 2.5M views · 2017-03-30 · 15:29

Open on YouTube ↗

If playback is restricted in your region, try opening the original video. Use Mark watched to add it to your marked videos.

Overview

A PBS Space Time episode explaining how space and time swap roles inside a black hole's event horizon. It is part of the channel's black hole series.

On Hacker News

Recommended as the cleanest visual explanation of time and space switching roles past the horizon, and a gateway to the channel's black hole videos.

Recommended by 4 HN people across 4 months · HN mentions 2018–2025

Topics

Cosmology & astrophysicsFundamental physics
Search by tags
black holesevent horizongeneral relativityspacetimepbs space time

What people said

joemag · 2018-12 · Strong recommendation

This is from PBS Spacetime series [1]. A fantastic channel, and they did a number of videos on black holes. [1] [VIDEO]

Read the original HN comment ↗
neom · 2021-05 · Recommendation

PBS Space Time to the rescue: What Happens at the Event Horizon? - [LINK] What’s On The Other Side Of A Black Hole? - [LINK] How Time Becomes Space Inside a Black Hole - [VIDEO] The Black Hole Information Paradox - [LINK]

Read the original HN comment ↗
me_me_me · 2020-10 · Recommendation

[LINK] I hope it helps. I think this is the cleanest explanation with actual visual representation. Edit: Sorry this one is even better. How Time Becomes Space Inside a Black Hole | Space Time [VIDEO]

Read the original HN comment ↗

Sources

Video by PBS Space Time, played through YouTube.

Data and selection notes

HN summaries and labels may contain AI errors. HN dates refer to discussions, not video publication.

HN Library: HackerTube export (2026-10-31) and open-index/hacker-news. Upstream summaries and classifications may contain AI errors.

Views, duration and playback status refresh separately from the published catalog. When an update fails, existing data remains visible.

Selection checks
  • SaaS & AI candidates: Topic keywords do not match
  • Editor-approved picks: Editorial review is required

Rule matches identify candidates. They do not guarantee video quality or financial results.

About the library and its sources