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Dark Matter: The Situation has Changed

Sabine Hossenfelder · explainer · Watch on YouTube

Cosmology & astrophysics

What it is

Sabine Hossenfelder explains how her opinion on dark matter has shifted, weighing the evidence for and against it and the case for modified gravity. It runs through what dark matter is and why it has not been detected.

Why Hacker News recommends it

Recommended as an accessible, curious-undergraduate-level overview of dark matter and its alternatives.

  • 2 people recommended it
  • 2 different months
  • 0 strong recommendations
  • first 2021, last 2023

What HN commenters said

  1. “Sabine is a great science (physics) communicator to the "masses", she recently did an update on dark matter.”

    Sabine's recent update on dark matter.

    keithnz, 2021-05 · Recommendation · in “New dark matter map reveals cosmic mystery”

  2. “Here’s Sabine Hossenfelder’s curious-undergraduate-level history of Dark Matter theories”

    Accessible history of dark matter theories.

    tlholaday, 2023-02 · Recommendation · in “Dark energy from supermassive black holes? Physicists spar over radical idea”

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

Topics: dark matter, modified gravity, astrophysics, cosmology, hossenfelder

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