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.
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...
Science Buddies
Science Buddies: A Puzzling Parallax
Did you know that ancient astronomers could measure the distance to other stars? They could also distinguish between stars and planets. How could they do that without modern technology of telescopes? See if you can discover the link...
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.
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.
Other
The Astrolabe: Home Page
This site provides a very general overview of astrolabe principles with links to other pages for more detailed information.
NASA
Nasa: Astronomy Picture of the Day: Hypatia
Learn more about Hypatia when you check out this resource. This site features a picture and a brief synopsis of this famous scientist.
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: Ptolemy
Claudius Ptolemaeus, known as Ptolemy, was an ancient geographer, astrologer, and astronomer.
Curated OER
Educational Technology Clearinghouse: Clip Art Etc: Ptolemy
Claudius Ptolemaeus, known as Ptolemy, was an ancient geographer, astrologer, and astronomer.