Among the planets of the solar system, the one which has the longest period of rotation is: A. Mars B. Venus C. Saturn D. None of these 💾 Save the Page as PDF: 📥𝐃𝐨𝐰𝐧𝐥𝐨𝐚𝐝 𝐍𝐨𝐰! Related Read more articles Previous PostWhich of the following planet is dropped from the list of planets in 2006? Next PostWhich planet is known as watery planet? If the aforementioned Answer is Wrong. Leave a Reply with an authentic source.Cancel reply