The apparent backward motion of planets during the course of orbit is called:

1. retrograde motion.
2. elliptical motion.
3. crystal spheres.
4. epicycles.


answer: 1

Philosophy & Belief

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Which of the following is a widely celebrated festival of the Jews that joyously memorializes the rededication of the Second Temple?

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____________ is the view that a rule is ethically right if it maximizes social utility

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Philosophy & Belief