1. Aristarchus
Mr. Hibbetts

2. Aristarchus’ Background
Greek Mathematician, Philosopher, and Astronomer
Lived approximately from 310 to 230 B.C.
Competitor of Aristotle and Archimedes

3. Aristarchus Accomplishments
Most of Aristarchus’ contemporaries (such as Aristotle) believed in a geocentric universe (Earth centered)

4. Aristarchus Accomplishments
Aristarchus is the first known person the suggest the Heliocentric model of the solar system (sun centered).

5. Aristarchus Accomplishments
He helped make the months of the calendar more accurate through mathematical calculation

6. Aristarchus Accomplishments
He helped measure the distance to Mercury, Venus, Mars, Jupiter, and Saturn, and put them in the proper order.

7. Legacy of Aristarchus
Aristarchus’ beliefs where unpopular in ancient Greece, the geocentric model remained predominant until Copernicus in the late 1400s.

8. Legacy of Aristarchus
Most of what we know about his theories come from his critics like Archimedes
The Aristarchus Crater on the moon is named for him.

9. Resources
Chaisson, Eric and Steve McMillan. Astronomy: A Beginner’s Guide to the Universe. New Jersey: Prentice Hall, 2001.
O’Conner, John and Edmund Robinson. “Aristarchus of Samos” . The MacTutor History of Mathematics archive University of Saint Anderews Scotland. August