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Unfolded Physics on Instagram: "The Doppler Effect is what makes a moving sound seem higher or lower depending on whether it’s coming toward you or heading away. When a source of sound moves closer, the sound waves get compressed — the wavelength shortens, and the pitch rises. When it moves away, those waves stretch out, making the pitch drop. This same effect isn’t just for sirens or speeding cars — it’s used in astronomy to measure the motion of stars and galaxies, in weather radar to track st

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Doppler Effect | Definition, Causes & Examples

31 reactions · 32 shares | L'effet Doppler- Doppler Effect Animated Examples | Technologie Elektroniks | Facebook

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