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.
University of St. Andrews (UK)
University of St. Andrews: Hypatia of Alexandria
The University of St Andrews gives a vivid biography of Hypatia and her influence in ancient mathematics, neoplatonic philosophy, and Alexandrian politics. Includes links to related biographies and topics.
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.
