character: Astronomy Teacher
topic: Spiral Galaxies and the Evidence of Dark Matter
grade: 12
subject: Physics
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character: Physics Student
topic: Understanding Rotation Curves and Their Implications
grade: 12
subject: Physics
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character: Astrophysicist
topic: The Role of Dark Matter in Galaxy Rotation
grade: 12
subject: Physics
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character: Science Writer
topic: Exploring the Mystery of Spiral Galaxies and Dark Matter
grade: 12
subject: Physics
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