Which of these planets completes its orbit in a much shorter space of time? by Sunday | Dec 23 | Geography JAMB | 0 comments A. Saturn B. Jupiter C. Mercury D. Earth Correct Answer: Option C – Mercury Users Also Read These:Which of the following planets has the longest orbit…Which of the following planets has no satellite?A satellite is in a parking orbit if its period is?A satellite revolving around the earth is kept on…Which of the following planets has twelve satellites?