quiz 1490 – solar system (QA) print friendly version Click on question to reveal answer 1 Which planet is sixth closest to the Sun? Venus, Saturn, Earth, Mars 2 Which planet is the hottest in the Solar System? Mars, Venus, Mercury, Jupiter 3 Which planet is the second largest planet in the Solar System? Uranus, Jupiter, Neptune, Saturn 4 Which planet is the smallest in the solar system? Mercury, Mars, Venus, Earth 5 Which planet is the smallest of the "Gas giants"? Jupiter, Saturn, Neptune, Uranus 6 Which planet is third closest to the Sun? Mars, Earth, Jupiter, Saturn 7 Which planet lies closest to the Kuiper belt? Mars, Neptune, Venus, Earth 8 Which planet possess a ring entitled Egalite 1? Saturn, Neptune, Jupiter, Uranus 9 Which planet takes 164 earth years to orbit the Sun? Neptune, Jupiter, Uranus, Saturn 10 Which planet takes 29 Earth years to orbit the Sun? Neptune, Jupiter, Uranus, Saturn 11 Which planet takes 365 days to orbit the sun? Mercury, Earth, Mars, Venus 12 Which planet takes 84 earth years to orbit the Sun? Uranus, Neptune, Jupiter, Saturn 13 Which planet takes around 668 days to orbit the Sun? Mars, Mercury, Earth, Venus 14 Which planet was originally intended to be named Sidus? Saturn, Neptune, Jupiter, Uranus 15 Which planet was the first founded by mathematical prediction? Uranus, Neptune, Jupiter, Saturn 16 Which planet was visited by MESSENGER in 2004? Mercury, Mars, Earth, Venus 17 Which planet is orbited by the moon of Proteus? Saturn, Neptune, Uranus, Jupiter 18 Which was the first planet to be discovered with the use of a telescope? Neptune, Jupiter, Uranus, Saturn 19 William Herschel discovered which planet? Neptune, Jupiter, Saturn, Uranus 20 Xena was the informal name originally used for which body? Ceres, Pluto, Make make, Eris