With bad news from Cassini, is dark matter’s main rival theory dead?
A multi-spectral view of Messier 74, a.k.a. the Phantom Galaxy, captured by the Hubble and the James Webb Space Telescopes. Galaxy rotation has long perplexed scientists. | Photo Credit: ESA/Webb, NASA & CSA, J. Lee One of the biggest mysteries in astrophysics today is that the forces in galaxies do not seem to add up….
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