Hi, what do you want to do?
Rice University
Galileo Project: The Copernican System
This site from The Galileo Project of Rice University contains information relating to Copernicus's sun-centered solar system theory. Pictures are provided throughout this article along with links to additional information.
PBS
Pbs Learning Media: Galileo: Sun Centered System
In the early 1600s, most people believed that the Sun revolved around a stationary Earth. This video segment adapted from NOVA tells how Galileo proved that the Sun, not Earth, is at the center of our universe.
University of Oregon
University of Oregon: Greek Science: Early Cosmology
Discusses the evolution of ideas about the cosmos, from the Magic Cosmology of the Neolithic age to the stage of Mythical Cosmology, to the Geometric Cosmology of the ancient Greeks. The third stage advocated a rational approach to...
Florida State University
Florida State University: Science, Optics & You: Galileo Galilei
Biography of Galileo Galilei (1564-1642), one of the most famous scientists and inventors of all time. He is best remembered for his invention of the telescope, which caused him to question the contemporary belief that the Earth was the...
Other
University of Zagreb: Nicolaus Copernicus
An interesting biography of Nicolaus Copernicus, the famous astronomer.
Cornell University
Cornell University: Astronomy: Aristarchus
This site from Cornell University provides a discussion of how Aristarchus arrived at his conclusions of the distance from the Earth to the Sun and Moon. Also has his methods for determining the size of the Moon and the Sun.
University of St. Andrews (UK)
University of St. Andrews: Aristarchus of Samos
This site gives an extensive discussion of Aristarchus' accomplishments in determining the size of the sun and moon and in proposing a sun-centered universe.
Nine Planets
The Nine Planets: Venus
In-depth information site on Venus, complete with a thorough glossary, links to a wide array of related sites, thumbnail picture files linked to larger images, and even a short audio file from a classic symphony.
The History Cat
The History Cat: Galileo on Trial
An explanation of the rationale behind the trial of Galileo by the Roman Catholic Inquisition for his scientific theories of heliocentrism. He was convicted of heresy and placed under house arrest, eventually confessing to his alleged...
Wolfram Research
Wolfram Science World: Copernicus, Nicolaus (1473 1543)
A biography of Nicolaus Copernicus and his contribution to science, specifically astronomy.
Curated OER
Science Kids: Science Images: Nicolaus Copernicus
This is a portrait of the famous astronomer Nicolaus Copernicus. Copernicus devised a heliocentric model of the universe that differed from other theories at the time.