HackerTube / Video
The Crisis in Cosmology
PBS Space Time
PBS Space Time explains the Hubble constant tension, in which two precise, independent methods of measuring the universe's expansion rate disagree. It covers why this calls some standard cosmology into question.
Recommended as a clear, layman-friendly explanation of the Hubble tension from a channel regarded well by physicists.
3 Hacker News mentions · 2019–2021