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01-10-2021
Chemistry

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what was Hubble's Discovery in the 1920s

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01-10-2021

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In the 1920s, Hubble was among the first to recognize that there is a universe of galaxies located beyond the boundaries of our Milky Way. During the 1920s, Edwin Hubble observed stars that vary in brightness in a patch of light known at the time as the Andromeda nebula.

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