The time needed for a planet to make one complete turn around the Sun is:
A) one day.
B) one month.
C) one year.
D) one week.

Question

Quizplus · Accepted Answer

The time needed for a planet to make one complete turn around the Sun is called its orbital period or its year. This is approximately 365.25 days for Earth, which is why we have a leap year every four years to account for the extra quarter day. Therefore, the best choice is C - one year.

The Time Needed for a Planet to Make One Complete