hackertube.io

JWST just made the "Crisis in Cosmology" WORSE

Dr. Becky · explainer · Watch on YouTube

Cosmology & astrophysicsSpace exploration & spaceflight

What it is

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.

Why Hacker News recommends it

Recommended as an accessible layperson introduction to the Hubble tension when new expansion-rate results make the news.

  • 2 people recommended it
  • 1 different months
  • 0 strong recommendations
  • first 2022, last 2024

What HN commenters said

  1. “Dr.Becky goes over this in a video [0] from a year ago about the divergent results obtained by the two main ways we measure the rate of expansion.”

    Covers diverging CMB versus supernova measurements of the expansion rate

    harywilke, 2024-03 · Recommendation · in “Webb and Hubble confirm Universe's expansion rate”

  2. “she introduces laymen to the problems well”

    Accessible introduction to the Hubble tension and JWST measurements for laymen

    jug, 2024-03 · Recommendation · in “Webb and Hubble confirm Universe's expansion rate”

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

Topics: hubble tension, jwst, distance ladder, cepheids, expansion of the universe

Also recommended by the same people