Doppler shift

noun

Definition of Doppler shift

  1. 1 :  a change in frequency of an electromagnetic radiation caused by the motions of the atoms, molecules, or nuclei in the line of sight

  2. 2 :  the slight displacement in the positions of the spectrum lines of light from a star or other celestial body due to the Doppler effect

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Origin and Etymology of doppler shift

after C.J.Doppler


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