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