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gerryliyana

  • 3 years ago

What observations were used by Edwin Hubble to show that the universe is expanding?

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  1. gerryliyana
    • 3 years ago
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    A. The distance to a galaxy is inversely proportional to its apparent size. B. The distance to a galaxy is proportional to its luminosity. C. The distance to a galaxy is proportional to its velocity relative to the Milky Way. D. The distance to a galaxy is proportional to its rotational velocity.

  2. Diwakar
    • 3 years ago
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    that will be C

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