TIL that the Greeks had proposed heliocentrism 2000 years before Copernicus: Aristarchus arranged the planets in order of distance from the Sun, concluding that it could not be in orbit around the Earth because a body that large could not orbit a body so small.

http://www.pagef30.com/2010/12/tribute-to-ancient-greek-astronomers.html



Submitted February 03, 2015 at 05:58PM by iwantoutonaboat http://www.reddit.com/r/todayilearned/comments/2umox4/til_that_the_greeks_had_proposed_heliocentrism/