character: Isaac Newton
topic: Newton's Third Law in Rocket Propulsion
grade: 10
subject: Physics
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character: Galileo Galilei
topic: Early Concepts of Motion and Forces
grade: 10
subject: Physics
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character: Johannes Kepler
topic: Planetary Motion and Forces
grade: 10
subject: Physics
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character: Robert H. Goddard
topic: The Father of Modern Rocketry
grade: 10
subject: Physics
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