I know that Venus as seen from Earth goes through phases like the moon. Correct me if I’m wrong but I think I read that this was Galileo’s first clue that the Earth orbited the sun rather than the other way around.
I know that Venus as seen from Earth goes through phases like the moon. Correct me if I’m wrong but I think I read that this was Galileo’s first clue that the Earth orbited the sun rather than the other way around.