Sites

The Shapley - Curtis Debate in 1920 (Popularity: )
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.

Christianity and the Mathematical Sciences - the Heliocentric Hypothesis (Popularity: )
http://www-history.mcs.st-andrews.ac.uk/history/HistTopics/Heliocentric.html
Religious influences on Copernicus, Galileo, Brahe and Kepler.

Flat Earth Historical Thinking (Popularity: )
http://www.ethicalatheist.com/docs/flat_earth_myth.html
History of the belief that the earth is flat.

Thomas Aquinas and Big Bang Cosmology (Popularity: )
http://www.nd.edu/Departments/Maritain/ti/carroll.htm
The development of theological implications of scientific work on origin of the universe.

History of Cosmology (Popularity: )
http://www.jonathanbaker.org/courses/ay9/
A history of our conceptions of the universe from ancient origin myths to the frontiers of modern science. UC Berkeley course syllabus and lecture notes.

The Universe and our place (Popularity: )
http://www.universalrule.info
A mysterious new form of energy seems to make up most of the universe. Where did the universe come from? What in the world is it?

The Copernican Revolution (Popularity: )
http://www.skyscript.co.uk/copernicus.html
Brief historical chronology of the development and acceptance of heliocentricity.

The Copernican Revolution (Popularity: )
http://www.phys-astro.sonoma.edu/people/faculty/tenn/CopernicanRevolution.html
A timeline with links.

A Brief History of Cosmology (Popularity: )
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.

Cosmology since 1900 (Popularity: )
http://www.phys-astro.sonoma.edu/people/faculty/tenn/CosmologySince1900.html
A timeline with links.

History of Cosmology (Popularity: )
http://www-gap.dcs.st-and.ac.uk/~history/HistTopics/Cosmology.html
An overview from the MacTutor History of Mathematics archive.

Construction of Cosmology (Popularity: )
http://www.nd.edu/~histast4/exhibits/papers/kragh.html
When and how physical cosmology became a science.