ethnicttyl ethnicttyl
  • 22-09-2018
  • Geography
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which Discovery by astronomer Vera Rubin how to prove the existence of the dark matter

which Discovery by astronomer Vera Rubin how to prove the existence of the dark matter class=

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adelineb9104 adelineb9104
  • 22-09-2018

the answer is 3/C.) galaxies spin faster than they should, based on their visible matter

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