History of astronomy
So, Aristarchus thought the stars were very far away, and he said this was why there was no visible parallax. That is, no one saw movement of the stars relative to each other as the Earth moved around the Sun. Actually. the stars they saw were much farther away than was generally assumed in ancient times. Now we know that stellar parallax is only detectable with telescopes. The rejection of the heliocentric view was apparently quite strong, as the following passage from Plutarch suggests (On the apparent face in the orb of the Moon):