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.
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.
Other
Explorable: Ancient Astronomy, Science and the Ancient Greeks
Discusses the influences of other cultures on ancient Greek astronomers, and the advances made by the Greeks. It highlights major astronomers and those who contributed important ideas from the 6th to the 2nd centuries BC, including...
University of St. Andrews (UK)
University of St. Andrews: Eudoxus of Cnidus
This page provides an excellent biography of Eudoxus of Cnidus, an ancient Greek astronomer and mathematician. Discusses his life, travels, and contributions to the field of mathematics. Includes special links.
Famous Scientists
Famous Scientists: Aristarchus
Find out about the ancient Greek astronomer and mathematician who presented the first known model that placed the Sun at the center of the known universe with the Earth revolving around it.
Wikimedia
Wikipedia: Hipparchus (Astronomer)
Encyclopedia article about the Greek astronomer Hipparchus that contains information about his life and work. Also includes a lengthy list of references and links to additional information near the bottom of the page.
Wikimedia
Wikipedia: Ptolemy
A biography on Ptolemy, a Greek astronomer, discusses his two most famous works, "Almagest" and "Geographia." Other books he wrote are also listed.
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...
Agnes Scott College
Agnes Scott College: Hypatia
The life and accomplishments of Hypatia-- the Egyptian mathematician, astronomer, and philosopher-- are documented in this synopsis. While the focus is on earlier events in her life, information is also provided on her contributions to...
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.
Other
Fermat's Last Theorem Blog: Hipparchus of Rhodes
Brief biography of the Greek astronomer Hipparchus of Rhodes. Also contains one illustration and a couple of reference links.
Curated OER
University of St Andrews: Claudius Ptolemy
This site, which is provided for by the University of St. Andrews, gives a biography of the Greek astronomer and mathematician who supported the theory of geocentricism.
Famous Scientists
Famous Scientists: Thales
Read a short biography about Thales, a pre-Socratic Greek philosopher, mathematician, and astronomer.