The motions of the planets against the background stars in our sky can best be described as
A) regular and uniform eastward motion.
B) general eastward motion interrupted by occasional stationary periods when planets do not appear to move with respect to the stars.
C) regular patterns,with general eastward motion interrupted by periods of westward motion.
D) regular patterns,with general westward motion interrupted by periods of eastward motion.

Question

Quizplus · Accepted Answer

The motions of planets in our sky show regular patterns of general eastward motion, but are occasionally interrupted by periods of westward motion, known as retrograde motion. This is due to the relative motions of the planets as they orbit around the Sun while also being observed from the moving Earth.

The Motions of the Planets Against the Background Stars in Our