Physics, asked by mehermalhotra9768, 1 year ago

What is the Doppler shift, and why is it important to astronomers?

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Answered by ansistkharms

Astronomers use the doppler effect to study the motion of objects across the Universe, from nearby extrasolar planets to the expansion of distant galaxies. Doppler shift is the change in length of a wave (light, sound, etc.) due to the relative motion of source and receiver.

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