Biographical Encyclopedia of Astronomers

2014 Edition
| Editors: Thomas Hockey, Virginia Trimble, Thomas R. Williams, Katherine Bracher, Richard A. Jarrell, Jordan D. MarchéII, JoAnn Palmeri, Daniel W. E. Green

Ananias of Sirak

  • Thomas Hockey
Reference work entry

BornAnania, (Armenia), circa595–600

Alternate Name

 Shivakatsi, Anania

Ananias prepared the perpetual calendar for the Armenian church. He taught the advanced idea that the Moon is not a mirror reflecting the Earth: Its surface markings are real and due to an uneven surface.

Selected Reference

  1. Hewsen, R. H. (1969). Science in Seventh-Century Armenia: Ananias of Sirak. Isis 59(1): 32.MATHCrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  1. 1.Department of Earth ScienceUniversity of Northern IowaCedar FallsUSA