HackerTube / Video
JWST just made the "Crisis in Cosmology" WORSE
Dr. Becky

Astrophysicist Dr. Becky explains the Hubble tension, the disagreement between expansion-rate measurements from the cosmic microwave background and the distance ladder, and what early JWST Cepheid observations add.
Recommended as an accessible layperson introduction to the Hubble tension when new expansion-rate results make the news.
4 Hacker News mentions · 2022–2024