J Jennyz New member Mar 14, 2009 #1 Which observation cannot be explained by a geocentric model? Stars follow circular paths around Polaris. The Sun's path through the sky is an arc. A planet's apparent diameter varies. A freely swinging pendulum appears to change direction.
Which observation cannot be explained by a geocentric model? Stars follow circular paths around Polaris. The Sun's path through the sky is an arc. A planet's apparent diameter varies. A freely swinging pendulum appears to change direction.