How Time Becomes Space Inside a Black Hole | Space Time

PBS Space Time · explainer · Watch on YouTube

What it is

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.

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.

“A fantastic channel, and they did a number of videos on black holes.”
PBS Space Time black hole series.
joemag, 2018-12 · Strong recommendation · in “Why Black Hole Interiors Grow Almost Forever”
“Skip to about 5:15 for the good stuff.”
Explains space and time swapping roles inside the event horizon.
pmiller2, 2020-07 · Recommendation · in “Astronomers claim to have seen the merger of two black holes within a third”
“I think this is the cleanest explanation with actual visual representation.”
Clean visual explanation of space and time inside a black hole.
me_me_me, 2020-10 · Recommendation · in “The Nobel Prize in Physics 2020”
“PBS Space Time to the rescue”
Part of a PBS Space Time black hole playlist.
neom, 2021-05 · Recommendation · in “Physicists identify the engine powering black hole energy beams”

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

Topics: black holes, event horizon, general relativity, spacetime, pbs space time