Answers

2015-04-27T10:53:23+05:30
Retrograde motion is the motion in the direction opposite to the movement of something else and the contrary or direct motion

 
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is it ok or you need some more information regarding this?
2015-04-27T11:17:03+05:30
Motion in the direction opposite to the movement of something else and the contrary of direct or prograde motion is called ' Retrograde motion '.
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