character: Professor Alan Hart
topic: The Basics of Stellar Evolution
grade: 9
subject: Science
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character: Professor Jane Smith
topic: Introduction to Stars and Their Life Cycles
grade: 9
subject: Science
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character: Dr. Emily Chen
topic: Nuclear Fusion in Stars
grade: 9
subject: Science
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character: Dr. Michael Johnson
topic: The Hertzsprung-Russell Diagram
grade: 9
subject: Science
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