Was it possible for the geocentric system of Ptolemy to explain the observed retrograde motion of the planets?

0 votes
    No, because observations of this retrograde motion were not known to the ancients.
     Yes, assuming that some planets orbited the Sun while others orbited Earth.
     No, because it was not able to predict retrograde motion.
     No, because it was not in use long enough to make such predictions.
     Yes, through a system of epicycles and deferents.
asked Sep 20, 2012 in Astronomy by anonymous
    

1 Answer

0 votes
Yes, through a system of epicycles and deferents.
answered Sep 22, 2012 by SkyStar ~Expert~ (2,855 points)



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