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- Ptolemy's unique contribution to this theory was the equant a point about which the center of a planet's epicycle moved with uniform angular velocity, but which was offset from the center of its deferent.
- :: I think you've got it, but just to make sure : The bucket can move along a circular path, but not at uniform angular velocity, for exactly the reasons you give .-- talk ) 02 : 23, 29 July 2008 ( UTC)