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The top documents tagged [doppler shifts of galaxies]
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When Galaxies Collide. It is not uncommon for galaxies to gravitationally interact with each other, and even collide!
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Dark Matter in Galaxies and Clusters AST 112. Matter Galaxies appear to be made up of stars, gas and dust Reasonable to think that’s the end of the story…
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Dark Matter in Galaxies and Clusters
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Introduction to Cosmology. Types of Universes If you were to make a universe, would you give it a finite size, or make it infinite? In a finite universe,
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When Galaxies Collide
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