character: Galileo Galilei
topic: Support for Heliocentric Theory
grade: 10
subject: Physics
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character: Nicolaus Copernicus
topic: Development of Heliocentric Model
grade: 10
subject: Physics
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character: Johannes Kepler
topic: Laws of Planetary Motion
grade: 10
subject: Physics
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character: Isaac Newton
topic: Gravity and Planetary Orbits
grade: 10
subject: Physics
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