What does Doppler Effect mean in Astronomy Dictionary?

  • the apparent change in wavelength of sound or light emitted by an object in terms of an observer's position. An object nearing the observer have a shorter wavelength (blue) while an object going away will have a longer (red) wavelength. The Doppler impact could be used to approximate an object's speed and path. by Cecil OlberdingReport definition

Related Sources

  • Definition for "Doppler Effect"
    • The obvious improvement in regularity or wavelength of…
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  • Astronomy Dictionary for "Doppler Effect"
    • the apparent change in wavelength of…
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