1 Which planet has 27 known natural satellites? Neptune, Saturn, Uranus, Jupiter Uranus
2 Which planet has 62 known natural satellites? Neptune, Jupiter, Saturn, Uranus Saturn
3 Which planet has 9 continuous rings? Jupiter, Saturn, Neptune, Uranus Saturn
4 Which planet has a “Great Dark Spot”? Neptune, Uranus, Jupiter, Saturn Neptune
5 Which planet has a core of Iron, Nickel and Rock and surrounded by a layer of metallic hydrogen? Uranus, Neptune, Saturn, Jupiter Saturn
6 Which planet has a day which lasts the equivalent of 176 Earth Days? Venus, Mars, Mercury, Jupiter Mercury
7 Which planet has a moon named Adrastea? Saturn, Jupiter, Neptune, Uranus Jupiter
8 Which planet has a moon named Amalthea? Saturn, Jupiter, Uranus, Neptune Jupiter
9 Which planet has a nikel iron core? Mars, Earth, Mercury, Venus Earth
10 Which planet has a Ring named Liberte? Jupiter, Saturn, Uranus, Neptune Neptune
11 Which planet has a tilt of only 1/30 of a degree? Saturn, Venus, Mercury, Neptune Mercury
12 Which planet has also been called Marduk? Neptune, Jupiter, Uranus, Saturn Jupiter
13 Which planet has an astronomical signal that is a trident? Neptune, Uranus, Jupiter, Saturn Neptune
14 Which planet has an average surface temperature of -201 degrees Celsius? Neptune, Uranus, Jupiter, Saturn Neptune
15 Which planet has an average surface temperature of 462 degrees Celsius? Mars, Mercury, Jupiter, Venus Venus
16 Which planet has an average surface temperature of minus 197 degrees? Jupiter, Saturn, Uranus, Neptune Uranus
17 Which planet has an orbital period of 224 earth days? Venus, Jupiter, Mars, Mercury Venus
18 Which planet has just 38% the Gravity of Earth? Venus, Mars, Saturn, Mercury Mercury
19 Which planet has moons named largely after Shakespeare characters? Uranus, Saturn, Jupiter, Neptune Uranus
20 Which planet has only 1 known satellite? Mars, Venus, Earth, Mercury Earth