Planet Study Guide – Flashcards
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Inner Planets
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Mercury, Venus, Earth, Mars Small size Rocky Less moons
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Outer Planets
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Jupiter, Saturn, Uranus, Neptune Gaseous (no rocky surfaces) Large Size (Gas Giants) More moons Have rings
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Mercury
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Cratered, no atmosphere, and no moons
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Venus
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Hottest planet, no moons, and "Earth's twin" in terms of size
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Earth
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Only planet with water that can support life and one moon
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Jupiter
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Largest planet, Great Red Spot (giant storm), 63 known moons, and made up of hydrogen and helium
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Saturn
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Known for its rings, would float in a bathtub because lacks density, and atmosphere of hydrogen, helium, and methane
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Uranus
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Bluish color due to its atmosphere of ammonia and methane and has less rings than Saturn
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Neptune
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Bluish color due to its hydrogen, helium, and methane atmosphere, windiest planet, and smallest gas planet
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Pluto
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Dwarf planet, thin atmosphere, smaller than Earth's moon, has three moons
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Planets from closest to sun to furthest from sun
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Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune
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Study clue:
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My Very Educated Mother Just Served Us Nachos
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Asteroid belt
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Between the inner and outer planets made out of dust, rock, and ice
