What Happens at the Event Horizon? | Space Time | PBS Digital Studios

Why HN readers recommended it

Commenters call it a short, clean, visual explanation of the infalling-particle question and of Penrose diagrams.

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

black holes

Format

explainer

Level

intro

HN recommenders in dataset

3

HN mentions in dataset

4

Recommendation years in dataset

2019–2025

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.

• The particle goes through the event horizon in finite time according to its own clock (and will then hit the singularity in finite term however it tries to travel). Think of the view of it by an external observer as being 'frozen' at the event …

• [VIDEO] 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 [LINK]

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