1) What keeps planets in orbit around the sun? a) gravity and inertia b) speed and distance 2) Planet farthest from the sun a) Neptune b) Uranus 3) Sometimes called The Red Planet a) Mars b) Venus 4) Mercury, Venus, Earth and Mars a) Rocky Planets b) Gas Giants 5) Path that a planet travels on around the sun a) orbit b) rotation 6) What is the definition of "satellite?" a) Any object that orbits another object in space b) How we get cell phone signal 7) Without the sun's gravity, what would the earth do? a) Float off into space b) Crash into the sun 8) The number of stars in our solar system a) one b) over 2 trillion 9) The name of our galaxy a) The Milky Way b) The Keiper Belt

Planets, Gravity, and Orbits

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