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Hubble's 1924 Discovery Expands the Universe
In 1924, Edwin Hubble used the Hooker telescope at Mount Wilson to discover that the Andromeda and Messier 33 galaxies are outside the Milky Way, drastically expanding our understanding of the universe's size, building upon Henrietta Leavitt's work on Cepheid variable stars and ultimately leading to...
Hubble's 1924 Discovery Expands the Universe
In 1924, Edwin Hubble used the Hooker telescope at Mount Wilson to discover that the Andromeda and Messier 33 galaxies are outside the Milky Way, drastically expanding our understanding of the universe's size, building upon Henrietta Leavitt's work on Cepheid variable stars and ultimately leading to...
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