AS101 Chapter Notes - Chapter 3: Orbital Period, Semi-Major And Semi-Minor Axes, Eqal
Document Summary
A brief history of ancient astronomy: around 2500 the egyptians used rising of the star sirius to mark the beginning of the. 365 day calendar: sirius is brightest stat in the sky, egyptians were the first to divide the night and day into 12 hours, hedu" anna was the first female astronomer named in history. The geocentric model of the universe: aristotle was known as the philosopher throughout the middle ages. Nicolaus copernicus: born in 1473 in poland, geocentric universe a model of the universe with earth at the centre, such as the. Copernicus"s model: heliocentric universe a model of the universe with the sun at the centre, such as the. Believed the sun and not the earth was the centre of the universe. Earth rotated onits axis and revolved around the sun. Began doubting ptolemy"s model during his college days. Tycho brahe: danish, false noses, replaced by kepler as imperial mathematician.
