Was dark matter first discovered by Fritz Zwicky or Vera Rubin?

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Science Physics & Chemistry Outer Space
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It’s hard to believe, but the idea that the Universe was dominated not by normal matter but rather by dark matter — a novel form of non-interacting matter that’s completely distinct from protons, neutrons, and electrons — goes all the way back to 1933: nearly a full century ago. For decades, the overwhelming majority of the leading astronomers and physicists dismissed the idea as being…

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