Earth Spinning

Most recent answer: 04/02/2008

Q:
Who discovered the theory of the Earth spinning on its axis?
- Zanthia (age 15)
Austin, Texas, United States
A:
To the best of our knowledge, it was first proposed by Aristarchus of Samos in about 250 BC. His writings are not preserved but there is a record of someone asking that he be indicted for holding such impious views.

Mike W.


(published on 04/02/2008)