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Planetary Chart Planet Mercury Venus Earth Mars Inner Planets Jupiter Saturn Uranus Neptune *Pluto AU Mass Type Atmosphere Moons • • • • 0.39 AU 6% of Earth’s Mass Mercury is an inner planet (terrestrial) No atmosphere, which causes extremely high day temperatures and extremely low night temperatures • No moons BACK • 0.72 AU •82% of Earth’s Mass •Venus is an inner planet, sometimes called Earth’s sister planet •Atmosphere is very dense, mostly carbon dioxide making temperatures and surface very hot BACK •No moons • • • • • 1 AU Mass = 6 x 1024 kg Earth is an inner planet Atmosphere that supports life 1 moon BACK •1.5 AU •11% of Earth’s Mass •Mars is an inner planet •Thin atmosphere that causes weathering and erosion, no liquid water on the surface of Mars •2 tiny moons BACK • TERRESTRIAL/INNER PLANETS - closest to the sun - rocky crusts and dense mantles and cores - atmospheres formed from gases that poured out of volcanoes (atmosphere can make a surface warmer and more uniform in temperature) - four types of processes that shape planets’ surfaces (tectonics, volcanism, weathering and erosion, impact cratering) - asteroids are also located in the inner solar system BACK • • • • 5.2 AU 318 Earth masses Jupiter is Gas Giant (outer planet) Fast winds and stormy weather, largest storm Great Red Spot • 61 moons BACK • • • • 9.5 AU 95 Earth masses Saturn is a Gas Giant (outer planet) First planet known to have rings, use rings to see planet’s seasons • 31 moons BACK • • • • 19 AU 15 Earth masses Uranus is a Gas Giant (outer planet) Seems to spin on its side, due to the axis of rotation being almost in the plane of its orbit • 20 moons BACK • • • • 30 AU 17 Earth masses Neptune is a Gas Giant (outer planet) Deep blue shade comes from methane gas in the atmosphere • 11 moons BACK