character: Professor Mark Lee
topic: Dark Matter and Its Role in Galactic Dynamics
grade: 12
subject: Physics
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character: Dr. Emily Carter
topic: The Effects of Dark Matter on Galaxy Formation
grade: 12
subject: Physics
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character: Professor John Smith
topic: Understanding Cosmic Microwave Background and Dark Matter
grade: 12
subject: Physics
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character: Dr. Sarah Johnson
topic: Recent Discoveries in Dark Matter Research
grade: 12
subject: Physics
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