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blueshift
or blue shift
[ bloo-shift ]
noun
, Astronomy.
- a shift toward shorter wavelengths of the spectral lines of a celestial object, caused by the motion of the object toward the observer.
blueshift
/ ˈbluːˌʃɪft /
noun
- a shift in the spectral lines of a stellar spectrum towards the blue end of the visible region relative to the wavelengths of these lines in the terrestrial spectrum: a result of the Doppler effect caused by stars approaching the solar system Compare redshift
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Word History and Origins
Origin of blueshift1
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