character: Isaac Newton
topic: Newtonian Telescope: A Revolution in Optical Design
grade: 10
subject: Physics
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character: Galileo Galilei
topic: Early Telescope Designs
grade: 10
subject: Physics
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character: Johannes Kepler
topic: Optics and the Reflecting Telescope
grade: 10
subject: Physics
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character: Albert Einstein
topic: Contributions to Modern Physics
grade: 10
subject: Physics
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