AS101 Chapter Notes - Chapter 3: Inverse-Square Law, Semi-Major And Semi-Minor Axes, De Revolutionibus Orbium Coelestium
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3. 2 nicolaus copernicus: was born in 1473 in what is now poland, geocentric universe: model of the universe with the earth at the centre, such as the. Ptolemaic universe: this model matched the christian view of heaven and hell. Earth rotated on its axis and revolved around the sun: heliocentric universe: model of the universe with the sun at the centre, such as the. Copernican universe: copernicus was the first to build a model of this. De revolutionibus: this was the name of copernicus"s book, most important idea in the book was that the sun was the centre of the universe. In his model earth moves faster along its orbit than the planets that lie farther from the sun: copernican model could not predict the positions of the planets any more accurately than the ptolemaic model. 3. 3 tycho brahe, johannes kepler, and planetary motion. Tycho brahe: remembered for wearing false noses to hide a duelling scar from his college days.
