character: Stephen Hawking
topic: The Universe and Our Existence
grade: 11
subject: Physics
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character: Albert Einstein
topic: Relativity and the Nature of Space-Time
grade: 11
subject: Physics
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character: Isaac Newton
topic: Laws of Motion and Universal Gravitation
grade: 11
subject: Physics
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character: Carl Sagan
topic: Astrobiology and the Search for Extraterrestrial Life
grade: 11
subject: Physics
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