6 Questions
Match the planet with its Equatorial Radius (km):
Mercury = 2,439.70 Venus = 6,051.80 Earth = 6,371.00 Mars = 3,389.50
Match the planet with its Density (g/cm3):
Jupiter = 1.33 Saturn = 0.69 Uranus = 1.27 Neptune = 1.64
Match the planet with its Rotation Period (Earth Days):
Mercury = 58.646 Venus = 243.018 Earth = 0.997 Mars = 1.026
Match the planet with its Orbit Period (Earth Years):
Jupiter = 11.86 Saturn = 29.45 Uranus = 84.02 Neptune = 164.79
Match the planet with whether it has a Solid Surface:
Mercury = Yes Venus = Yes Earth = Yes Mars = Yes
Match the planet with its number of Moons:
Jupiter = 95 Saturn = 146 Uranus = 28 Neptune = 14
Study Notes
Planet Information Summary
Equatorial Radius
- Mercury: 2,439.70 km
- Venus: 6,051.80 km
- Earth: 6,371.00 km
- Mars: 3,389.50 km
- Jupiter: 69,911.00 km
- Saturn: 58,232.00 km
- Uranus: 25,362.00 km
- Neptune: 24,622.00 km
Density
- Mercury: 5.43 g/cm³
- Venus: 5.24 g/cm³
- Earth: 5.51 g/cm³
- Mars: 3.93 g/cm³
- Jupiter: 1.33 g/cm³
- Saturn: 0.69 g/cm³
- Uranus: 1.27 g/cm³
- Neptune: 1.64 g/cm³
Rotation Period
- Mercury: 58.646 Earth days
- Venus: 243.018 Earth days
- Earth: 0.997 Earth days
- Mars: 1.026 Earth days
- Jupiter: 0.414 Earth days
- Saturn: 0.444 Earth days
- Uranus: 0.718 Earth days
- Neptune: 0.671 Earth days
Orbit Period
- Mercury: 0.24 Earth years
- Venus: 0.62 Earth years
- Earth: 1.00 Earth years
- Mars: 1.88 Earth years
- Jupiter: 11.86 Earth years
- Saturn: 29.45 Earth years
- Uranus: 84.02 Earth years
- Neptune: 164.79 Earth years
Solid Surface and Atmosphere
- Mercury: Yes, with atmosphere components O2, Na, H2
- Venus: Yes, with atmosphere components He, K
- Earth: Yes, with atmosphere components N2, O2, Ar
- Mars: Yes, with atmosphere components CO2
- Jupiter: No, with atmosphere components H2, He
- Saturn: No, with atmosphere components H2, He
- Uranus: No, with atmosphere components CH4
- Neptune: No, with atmosphere components H2, He, CH4
Moons and Rings
- Mercury: 0 moons, no rings
- Venus: 0 moons, no rings
- Earth: 1 moon, no rings
- Mars: 2 moons, no rings
- Jupiter: 95 moons, yes rings
- Saturn: 146 moons, yes rings
- Uranus: 28 moons, yes rings
- Neptune: 14 moons, yes rings
Mean Temperature
- Mercury: 333°F (167°C)
- Venus: -85°F (-65°C)
- Earth: -166°F (-110°C)
- Mars: -220°F (-140°C)
- Jupiter: -320°F (-195°C)
- Saturn: -330°F (-200°C)
Notable Explorations
- Mercury: Messenger
- Venus: Mariner 4, Venera 7
- Earth: ISS
- Mars: Mars orbiter, Mariner 4, Viking 1 and 2, Pioneer 10 and 11, Spirit and Opportunity
Test your knowledge of the planets in our solar system with this quiz. Learn about the equatorial radius and density of various planets such as Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune.
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