Comment by rafcavallaro

I agree - the blog post says that for a time the evidence could support either view but this is false. Galileo discovered (there's that pesky novel factual evidence) that Venus showed ALL phases - new, crescent, gibbous, and full - which conclusively proved that the Ptolemaic model was false. http://en.wikipedia.org/wiki/Galileo_Galilei#Venus.2C_Saturn...