One large Milky Way galaxy or many galaxies? 100 years ago, a young Edwin Hubble settled astronomy’s ‘Great Debate.’
In 1920, astronomers Harlow Shapley and Heber Curtis held a Great Debate. Shapley argued that the spiral nebulae were small ...
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Edwin Powell Hubble, visionary who revealed the secrets of other galaxies
Born in Marshfield, Missouri, Edwin Hubble grew up in a large family with seven siblings. Despite his love for science, he initially followed his father's wishes and studied law at the University ...