Callippus of Cyzicus
c. 370-c. 310 B.C.
Greek astronomer and mathematician who used mathematical astronomy for a number of purposes, including the creation of a 76-year cycle that aligned the solar an...
c. 370-c. 300 B.C.
Greek Astronomer and Mathematician
Callipus is famous for refining the planetary theory of Eudoxus by adding additional spheres. He also made accurate determinations of the...