character: Ms. Wang
topic: How Doppler Effect Affects the Perception of Starlight
grade: 11
subject: Physics
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character: Ms. Wang
topic: Understanding Blue Shift and Red Shift in Astronomy
grade: 11
subject: Physics
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character: Ms. Wang
topic: Exploring Wave Properties of Light: Frequency and Wavelength Changes
grade: 11
subject: Physics
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character: Ms. Wang
topic: Applications of Doppler Effect in Modern Astrophysics
grade: 11
subject: Physics
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