January 25, 2017 | GC print friendly version 1 Which planet is sixth closest to the Sun? Venus, Saturn, Earth, Mars Saturn 2 Which planet is the hottest in the Solar System? Mars, Venus, Mercury, Jupiter Venus 3 Which planet is the second largest planet in the Solar System? Uranus, Jupiter, Neptune, Saturn Saturn 4 Which planet is the smallest in the solar system? Mercury, Mars, Venus, Earth Mercury 5 Which planet is the smallest of the “Gas giants”? Jupiter, Saturn, Neptune, Uranus Neptune 6 Which planet is third closest to the Sun? Mars, Earth, Jupiter, Saturn Earth 7 Which planet lies closest to the Kuiper belt? Mars, Neptune, Venus, Earth Neptune 8 Which planet possess a ring entitled Egalite 1? Saturn, Neptune, Jupiter, Uranus Neptune 9 Which planet takes 164 earth years to orbit the Sun? Neptune, Jupiter, Uranus, Saturn Neptune 10 Which planet takes 29 Earth years to orbit the Sun? Neptune, Jupiter, Uranus, Saturn Saturn 11 Which planet takes 365 days to orbit the sun? Mercury, Earth, Mars, Venus Earth 12 Which planet takes 84 earth years to orbit the Sun? Uranus, Neptune, Jupiter, Saturn Uranus 13 Which planet takes around 668 days to orbit the Sun? Mars, Mercury, Earth, Venus Mars 14 Which planet was originally intended to be named Sidus? Saturn, Neptune, Jupiter, Uranus Uranus 15 Which planet was the first founded by mathematical prediction? Uranus, Neptune, Jupiter, Saturn Neptune 16 Which planet was visited by MESSENGER in 2004? Mercury, Mars, Earth, Venus Mercury 17 Which planet is orbited by the moon of Proteus? Saturn, Neptune, Uranus, Jupiter Neptune 18 Which was the first planet to be discovered with the use of a telescope? Neptune, Jupiter, Uranus, Saturn Uranus 19 William Herschel discovered which planet? Neptune, Jupiter, Saturn, Uranus Uranus 20 Xena was the informal name originally used for which body? Ceres, Pluto, Make make, Eris Eris