character: Galileo Galilei
topic: Observations of Celestial Symmetry
grade: 12
subject: Mathematics
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character: Isaac Newton
topic: Laws of Motion and Universal Gravitation
grade: 12
subject: Mathematics
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character: Johannes Kepler
topic: Laws of Planetary Motion
grade: 12
subject: Mathematics
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character: Nicolaus Copernicus
topic: Heliocentric Model of the Universe
grade: 12
subject: Mathematics
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