Gravitation and the Waltz of the Planets Chap 4

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Ptolemaic System: cycles on cycles • When the planet is on the part of its epicycle nearest Earth, the motion of the planet along the epicycle is opposite to the motion of the epicycle along the deferent. The planet therefore appears to go backward in retrograde
Heliocentric Model by Copernicus • Heliocentric (Suncentered) model: all the planets, including the Earth, revolve about the Sun • A heliocentric model simplifies the explanation of the retrograde motion of planets • Occam’s razor: simple explanations of phenomena are most likely to be correct Nicolaus Copernicus (1473 – 1543)
Page 1 and 2: Gravitation and the Waltz of the Pl
Page 3 and 4: Ancient Geocentric models • Ancie
Page 5: Ptolemaic System: cycles on cycles
Page 9 and 10: Planetary Configurations • Inferi
Page 11 and 12: Synodic Period and Sidereal Period
Page 13 and 14: Synodic Period and Sidereal Period
Page 15 and 16: Tycho Brahe’s Observations • Br
Page 17 and 18: Kepler’s First Law • Kepler’s
Page 19 and 20: Kepler’s Second Law • Kepler’
Page 21 and 22: Kepler’s Third Law • Kepler’s
Page 23 and 24: Galileo’s Discoveries: Phases of
Page 25 and 26: Galileo’s Discoveries: Phases of
Page 27 and 28: Isaac Newton Isaac Newton (1642 --
Page 29 and 30: Newton Second Law of Motion • Sec
Page 31 and 32: Newton’s Law of Universal Gravita
Page 33 and 34: Gravitation: Orbital Motions • Th
Page 35 and 36: Gravitation: Tidal Force • Tidal
Page 37 and 38: Gravitation: Tidal Force • The po
Page 39: Final Notes on Chap. 4 • There ar

Gravitation and the Waltz of the Planets Chap 4

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