character: Johannes Kepler
topic: Planetary Motion and Laws
grade: 10
subject: Physics
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character: Isaac Newton
topic: Laws of Motion and Universal Gravitation
grade: 10
subject: Physics
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character: Galileo Galilei
topic: Telescopic Discoveries and Influence on Astronomy
grade: 10
subject: Physics
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character: Tycho Brahe
topic: Astronomical Observations and Kepler's Mentor
grade: 10
subject: Physics
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