Astro*Dictionary by Michael Erlewine
1 article for "Callippus"
Callippus [Astro*Index](370-300 BC) Greek astronomer, born on Cyzicus.
Studied under Eudoxus. Improved on his teacher's planetary model, increasing the number of spheres from 26 to 34.
See also:
♦ Greek Calendar
Astro*Index Copyright © 1997 Michael Erlewine