character: Nicolaus Copernicus
topic: Challenges to the Geocentric Model
grade: 10
subject: Physics
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character: Galileo Galilei
topic: Support for the Heliocentric Model
grade: 10
subject: Physics
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character: Johannes Kepler
topic: Kepler's Laws of Planetary Motion
grade: 10
subject: Physics
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character: Aristotle
topic: Geocentric Model of the Universe
grade: 10
subject: Physics
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