character: Galileo Galilei
topic: The Use of the Telescope in Early Astronomical Discoveries
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: Theories of Gravity and Motion
grade: 10
subject: Physics
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character: Copernicus
topic: H heliocentric theory
grade: 10
subject: Physics
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