| 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 |
