This preview shows page 1. Sign up to view the full content.
Unformatted text preview: -Sun at center-Earth rotates-Earth and planets revolve around sun, moon around earth-Naturally has retrograde motion and brightness variation-Measurements were worse than Ptolemys-He is missing elliptical orbits-Added epicycles back in with deferent centered on sun-Now slightly better than Ptolemys, no one cared o Written in Latin o Published posthumously with disclaimer from publisher o Violated the Church o Wasnt banned for 73 years Galileo: 1564 1642 AD-Experimentalist -First to use a telescope to look at the sky-Four discoveries 1609 o Lunar features o Sun spots o Jovian moons o Venusian phases...
View Full Document
- Fall '08