Is Dark Matter’s Main Rival Theory Dead?

The Conversation, Ars Technica
Sat, 05/11/2024 - 4:25am

Enlarge / Galaxy rotation has long perplexed scientists. (credit: NASA/James Webb Telescope) One of the biggest mysteries in astrophysics today is that the forces in galaxies do not seem to add up. Galaxies rotate much faster than predicted by applying Newton’s law of gravity to their visible matter, despite those laws working well everywhere in the Solar System. To prevent galaxies from flying apart, some additional gravity is needed.

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Is Dark Matter’s Main Rival Theory Dead?

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