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Unformatted text preview: Ex: moon going around earth. (1 lunar month) 2 = earths constant * (1 EM distance) 3 (P / 1 lunar month) ^2 = (a / 1 EM distance) ^3 KIII gives relative size of solar system astronomical units (AU) 3 E 5 km/s = (2*.3 AU) / 300 s derived from Venus orbital period AU = 1.5 E 8 km absolute scale for solar system Newton: introduced the why. Theorist, whereas Galileo was experimenter. Kepler = empirical Newton = physical law, fundamental principles. Gravity!...
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This note was uploaded on 09/24/2009 for the course ASTR 101 taught by Professor Christiansen during the Fall '08 term at UNC.
- Fall '08