Which of the following planets has the longest orbit around the sun? by Sunday | Aug 12 | Geography WAEC | 0 comments A. Saturn B. Venus C. Mars D. Neptune E. Jupiter Correct Answer: Option D – Neptune Users Also Read These:Which two planets lie between the sun and the earth?Which of the following planets revolves round the…Which of these planets completes its orbit in a much…Which of the following planets has a single satellite?The sun in Donne's The Sun Rising is depicted…