Deck : General Navigation - 1437/2138
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| Retrograde motion is the __________. |
| A) apparent westerly motion of a planet with respect to stars |
| B) movement of the points of intersection of the planes of the ecliptic and the equator |
| C) movement of the celestial north pole in an elliptical pattern in space |
| D) movement of a superior planet in its orbit about the Sun |
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