Question and Number | Actual is Over or Under |
Moons of Mars: 3 | |
Years it takes Halley's Comet to orbit the Sun: 86 | |
Constellations recognized by the IAU: 83 | |
Planets known since antiquity: 7 | |
Days it takes the Moon to orbit the Earth: 31 | |
Distance from the Sun to Proxima Centauri in light years: 5 | |
Constellations charted by Ptolemy: 44 | |
Stars in the Milky Way: 100 Billion | |
Years Pluto can be closer to the Sun than Neptune: 12 | |
Number of Dwarf Planets: 7 | |
Planets in our Solar System: 9 | |
Amount of arms that are in a barred spiral galaxy: 4 | |
Moons of Jupiter: 55 | |
Jovian Planets in our Solar System: 5 | |
Rings of Uranus: 7 | |
Number of Apollo Missions: 16 | |
Number of Messier objects: 101 | |
Distance from the Sun to the Earth (miles): 97,000,000 | |
Maximum number of solar eclipses in a year: 4 | |
Eccentricity of Sedna's orbit: .7623 | |
Moons of Mars: 3 | |
Years it takes Halley's Comet to orbit the Sun: 86 | |
Constellations recognized by the IAU: 83 | |
Planets known since antiquity: 7 | |
Days it takes the Moon to orbit the Earth: 31 | |
Distance from the Sun to Proxima Centauri in light years: 5 | |
Constellations charted by Ptolemy: 44 | |
Stars in the Milky Way: 100 Billion | |
Years Pluto can be closer to the Sun than Neptune: 12 | |
Number of Dwarf Planets: 7 | |
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