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1 In what century did William Herschel discover Uranus? 18th, 20th, 19th, 17th
2 In what year was Pluto “demoted” to a be labelled a Dwarf Planet? 2000, 2009, 2006, 2013
3 In what year was Pluto discovered? 1990, 1960, 1930, 1900
4 In which century was Venus first discovered? 18th, 20th, 19th, 17th
5 In which year did Galieli discover the four major moon of Jupiter? 1810, 1910, 1710, 1610
6 Ishtar Terra is the northern continent on which planet? Jupiter, Mercury, Venus, Mars
7 Janus is a moon of which planet? Neptune, Uranus, Jupiter, Saturn
8 Johann Galle was the discoverer of which planet? Neptune, Uranus, Jupiter, Saturn
9 Johann Schroter spotted 20km Mountains on which planet in 1800? Mars, Mercury, Saturn, Venus
10 Lacus Mortis or the Lake of Death can be found on what body of the solar system? Earth, The Moon, The Sun, Mars
11 Launched in 2015, when did the planned Bepi Colombo reach Mercury? 2019, 2017, 2016, 2018
12 Lila was the originally proposed name for what? Ceres, Eris, Makemake, Pluto
13 Lobate Scarps are a feature of which planet? Saturn, Mars, Venus, Mercury
14 Mare Australe can be found where in the Solar System? Mars, Earth, The Sun, The Moon
15 Mariner 1 and Mariner 2 were sent to visit which planet? Mercury, Jupiter, Venus, Mars
16 Mariner 10 in the 1970s was sent to visited which planet? Mars, Mercury, Earth, Neptune
17 Mariner 4 was the first ship to flyby which planet? Venus, Mars, Earth, Mercury
18 Maxwell Montes is the highest mountain on which planet? Mars, Jupiter, Mercury, Venus
19 Metis and Leda are moons of which planet? Uranus, Neptune, Jupiter, Saturn
20 Mimas is a moon of which planet? Saturn, Jupiter, Neptune, Uranus