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 two planets lie between the sun and the earth?If the force of attraction between the sun and the…Which of these completes its orbits in a much…Which of the following planets has a single satellite?