character: Isaac Newton
topic: Introduction to Gravity and its Laws
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: Nicolaus Copernicus
topic: Development of the Heliocentric Theory
grade: 10
subject: Physics
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character: Johannes Kepler
topic: Planetary Motion and Ellipses
grade: 10
subject: Physics
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