character: Johannes Kepler
topic: Planetary Motion and Laws
grade: 11
subject: Physics
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character: Isaac Newton
topic: Universal Gravitation and Kepler's Laws
grade: 11
subject: Physics
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character: Galileo Galilei
topic: Telescope Discoveries and Support for Heliocentrism
grade: 11
subject: Physics
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character: Tycho Brahe
topic: Precision Astronomy and Data Collection
grade: 11
subject: Physics
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