Chapter 3 Flashcards
1
Q
equant
A
a second location at the center of the geocentric model
2
Q
geocentric
A
earth is stationary at the center
3
Q
Precession
A
the slow circular motion of the north and and south celestial poles among the stars
4
Q
Pythagorean model
A
earth planets and sun moves around a central fire which cant be seen because of counter earth
5
Q
Ptolemy’s model
A
a planet would orbit in a circle (epicycle) and that smaller orbit would have a larger orbit around the earth (Deferent)
