In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small and in the Milky Way, while Curtis took a more radical position that they ...
In the 1920s, astronomers thought that the Milky Way was the entire universe. Hubble's discovery revealed a much bigger ...
Astronomers have released the most detailed image of the Andromeda galaxy with new clues about its evolutionary history to celebrate the 100th anniversary of Edwin Hubble's discovery that our ...
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One large Milky Way galaxy or many galaxies? 100 years ago, Edwin Hubble settled astronomy's 'Great Debate'Edwin Hubble was young and ambitious ... D.C. But Hubble wasn't done. His second major discovery also transformed astronomers' understanding of the universe. As he dispersed the light from dozens of ...
Edwin Hubble was young and ambitious ... D.C. But Hubble wasn't done. His second major discovery also transformed astronomers' understanding of the universe. As he dispersed the light from ...
A hundred years ago, astronomer Edwin Hubble dramatically expanded the size of the known universe. At a meeting of the American Astronomical Society in January 1925, a paper read by one of his ...
His second major discovery also transformed astronomers ... when the universe was 20 times smaller than it is now. Edwin Hubble would be amazed to see such progress. Got a question?
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