character: Stephen Hawking
topic: Cosmic Habitats
grade: 11
subject: Physics
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character: Neil deGrasse Tyson
topic: Astrobiology and the Search for Cosmic Habitats
grade: 11
subject: Physics
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character: Carl Sagan
topic: The Possibility of Life in Cosmic Habitats
grade: 11
subject: Physics
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character: Isaac Newton
topic: Fundamentals of Physics in Cosmic Contexts
grade: 11
subject: Physics
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