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The Shapley - Curtis Debate in 1920 - http://antwrp.gsfc.nasa.gov/diamond_jubilee/debate_1920.html
The "great debate" about the scale of the universe and the nature of spiral nebulae. |
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Inventing the Solar System - http://www.perseus.tufts.edu/GreekScience/Students/Ellen/EarlyGkAstronomy.html
Early Greek scientists struggle to explain how the heavens move. |
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Flat Earth Historical Thinking - http://www.ethicalatheist.com/docs/flat_earth_myth.html
History of the belief that the earth is flat. |
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History of Cosmology - http://www-gap.dcs.st-and.ac.uk/~history/HistTopics/Cosmology.html
An overview from the MacTutor History of Mathematics archive. |
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A Brief History of Cosmology - http://www-groups.dcs.st-and.ac.uk/~history/HistTopics/Cosmology.html
A review by David Wands of the development of cosmology, starting with the Babylonians. |