Question

PLEASE ANSWER ASAP

When a planet seemingly moves backwards in the sky as it appears from Earth, this is called _________

Answer 1

Answer: retrograde motion

Retrograde motion is an apparent change in the movement of the planet through the sky. It isn't real in that the planet doesn't physically start moving backwards in its orbit. It just appears to do so because of the relative positions of the planet and Earth and how they're moving around the Sun.

Answer 2

when an planet seems to move backwards then it is said to retrograde motion.