If the planets revolved around the earth  , then to explain what we see in the sky, they would have to move as shown on the right. Instead, heliocentrism relies on the simpler movement to the left, paving the way to its acceptance.; planets, what, move, earth

If the planets revolved around the earth , then to explain what we see in the sky, they would have to move as shown on the right. Instead, heliocentrism relies on the simpler movement to the left, paving the way to its acceptance.