The planet's orbital period is:
A)the time it takes it to rotate and have the same face toward us again.
B)the time it takes to return to the same location in the sky, relative to the Sun.
C)the time it takes for a satellite to orbit it.
D)the time it takes for it to retrograde back to the same position as we pass it.
E)the time its magnetic field takes to spin once.

Question

Quizplus · Accepted Answer

The planet's orbital period is the time it takes for it to return to the same location in the sky, relative to the Sun. This is also known as its sidereal period. The planet's orbital period is the time it takes for the planet to complete one orbit around the Sun and return to the same location in the sky relative to the Sun.

The Planet's Orbital Period Is