The clearest proof came with the studies of American astrophysicist Vera Rubin on the movements of spiral galaxies.
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The clearest proof came with the studies of American astrophysicist Vera Rubin on the movements of spiral galaxies.
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The clearest proof came with the studies of American astrophysicist Vera Rubin on the movements of spiral galaxies.
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The clearest proof came with the studies of American astrophysicist Vera Rubin on the movements of spiral galaxies.