Smithsonian Institution
National Air and Space Museum: Exploring the Planets: Ancient Times & the Greeks
In ancient times only five planets were known: Mercury, Venus, Mars, Jupiter, and Saturn. Learn about Greek astronomer Ptolemy's theory for the solar system that was to survive for fourteen centuries.
Stephen Byrne
History for Kids: Ancient Chinese Science
History for Kids overview on the science and innovations of ancient China. Students learn about the significant impact China made on the world with contributions in the fields of astronomy, chemistry, physics, meteorology and seismology.
World History Encyclopedia
World History Encyclopedia: Greek Astronomy
Looks at the history of Greek astronomy from the 4th century BC on, and the major figures who contributed ideas. Includes a timeline of Greek science.
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.
Ducksters
Ducksters: Astronomy for Kids: Constellations
Kids learn about the constellations in the science of astronomy. These stars that form patterns when viewed from the Earth have been studied since ancient times.
Other
Ellinogermaniki Agogi: Eratosthenes Experiment
A profile of the ancient Greek mathematician, geographer, and astronomer, Eratosthenes. Looks at his many accomplishments, including measuring the circumference of the Earth and the distance to the Moon and the Sun. Includes links to...
The History Cat
The History Cat: Mayan Achievements
Discusses the Maya system of astronomy and their calendar.
CK-12 Foundation
Ck 12: Earth Science: Revolutions and Rotations of the Earth Study Guide
[Free Registration/Login may be required to access all resource tools.] Summarizes the key points about how our understanding of the Earth's movements evolved from ancient times and what we know today. Includes some questions to check...
University Corporation for Atmospheric Research
Ucar: High Altitude Observatory: Aristarchus of Samos (310 230 Bc)
A brief biography and discussion of Aristarchus' theories provided here.
ibiblio
Ibiblio: Greek Mathematics and Its Modern Heirs
This ibiblio.org site discusses the "Classical roots of the scientific revolution," with concentration on the Greek mathematicians from the 5th century BC to the 5th century AD who "Maintained a splendid tradition of work in the exact...
Other
The Astrolabe: Home Page
This site provides a very general overview of astrolabe principles with links to other pages for more detailed information.
University of Virginia
University of Virginia: How the Greeks Used Geometry to Understand the Stars
An article explaining how the Greeks were able to use their science and mathematics to predict where astronomical objects such as the Planets could be found in the nighttime sky even though their underlying premise was that the earth did...
Institute and Museum of the History of Science
Museo Galileo: Eudoxus of Cnidos
Not much is known about the life of Eudoxus, a famous Greek mathematician. This is a brief description of what we do know about him.