Quizzes & Puzzles5 mins ago
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
Best Answer
No best answer has yet been selected by canyouhelp?. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.