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JWST just made the "Crisis in Cosmology" WORSE

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.

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Why HN readers recommended it

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

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel
Dr. Becky
Topic
cosmology
Format
explainer
Level
general
HN recommenders in dataset
2
HN mentions in dataset
4
Recommendation years in dataset
2022–2024

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

  • 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. Cosmic Microwave Background Vs. Supernovae. As the accuracy of each method has improved, the end results have …

    harywilke on Hacker News · 2024-03
    In Webb and Hubble confirm Universe's expansion rate

  • I can recommend Dr. Becky's introduction to the issues surrounding the Hubble Tension and recent JWST measurements in this 16 minute clip, as she introduces laymen to the problems well: [VIDEO] It's an older clip, but it checks out... ;) (still JWST discoveries and she …

    jug on Hacker News · 2024-03
    In Webb and Hubble confirm Universe's expansion rate

Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.

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