What Happens at the Event Horizon? | Space Time | PBS Digital Studios
Overview
PBS Space Time explains what happens as you approach and cross a black hole's event horizon, using Penrose diagrams and light cones as the tool for understanding spacetime there.
On Hacker News
Commenters call it a short, clean, visual explanation of the infalling-particle question and of Penrose diagrams.
Topics
Sources
Video by PBS Space Time, played through YouTube.
Data and selection notes
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HN Library: HackerTube export (2026-10-31) and open-index/hacker-news. Upstream summaries and classifications may contain AI errors.
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What people said