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Earth and Its Neighbors

The Sun and the objects that travel around it form the solar orbitmasssystemgravitySelect your answer. Nine planets travel in a path called a(n) reflectsystemorbitrotatesSelect your answer. These planets don’t give off light; instead they reflectgravitythirdrotatesSelect your answer sunlight. Each planet spins, or systemrotatesreflectmassSelect your answer, making a complete turn during its day. For Earth, this day-night cycle takes 24thirdorbitsystemSelect your answer hours. Earth is the thirdorbitmass24Select your answer planet from the Sun. An invisible force called orbitgravityrotatesmassSelect your answer keeps Earth from flying off into space. This force of attraction depends on distance and massorbitgravityreflectSelect your answer.