<P> Apparent retrograde motion is the apparent motion of a planet in a direction opposite to that of other bodies within its system , as observed from a particular vantage point . Direct motion or prograde motion is motion in the same direction as other bodies . </P>
<P> Apparent retrograde motion is the apparent motion of a planet in a direction opposite to that of other bodies within its system , as observed from a particular vantage point . Direct motion or prograde motion is motion in the same direction as other bodies . </P>
what is a planets backward motion in the sky called
what is a planets backward motion in the sky called
Apparent retrograde motion
Apparent retrograde motion