In 499 CE, the Indian astronomer Aryabhata propounded a planetary product that explicitly incorporated Earth's rotation about its axis, which he points out as the reason for what appears being an evident westward motion of The celebs. He also thought that the orbits of planets are elliptical.[32] This definition http://al-ron-hubbard19628.blog-a-story.com/8607968/was-bedeutet-planet-secrets