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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NASA’s Hubble Space Telescope celebrates 10 years of keeping its lens trained on the giants of the solar system
The ever-faithful Hubble Space Telescope has been deployed on many missions over its 34 years in service, and helped us discover some of the deepest secrets of the universe. One of these missions ...
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How Edwin Hubble won the Great Debate
Its shape, he calculated, was disklike and the solar system ... our modern view of the universe. Everything we study today is based on his work." After 400 years of uncertainty, Edwin Hubble ...
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One large Milky Way galaxy or many galaxies? 100 years ago, Edwin Hubble settled astronomy's 'Great Debate'
A hundred years ago, astronomer Edwin Hubble dramatically ... to be a part of the Milky Way. Hubble's work opened the door to the study of the universe beyond our galaxy. In the century since ...