University of Virginia
Univ. Of Virginia: Dialogue Concerning Two New Sciences
This site, which is provided for by the University of Virginia, contains examples of Galileo's reasoning.
Other
Catholic Educator's Resource Center: The Galileo Affair
Online essay concerning the battle between Galileo and the Catholic Church over the issue of heliocentrism, or, whether the sun or the earth is at the center of the universe.
Robin Chew
Italian Astronomer and Physicist
This site contains information about Galileo and his areas of study.
Ducksters
Ducksters: Biography for Kids: Galileo Galilei
Students can investigate Galileo Galilei's biography on this site. Learn more about the scientist who improved the telescope and made many discoveries and experiments.