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Galaxies Question
3 Answers
Who first argued that galaxies were 'island universes' in the Great Debate of 1920? A. Heber Curtis B. Edwin Hubble C. Harlow Shapley
I can find reference to both Curtis and Shapley. Thanks for any help with this one.
I can find reference to both Curtis and Shapley. Thanks for any help with this one.
Answers
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