Blueshift Definition

blo͝ozhift
noun
The shift of spectral lines toward the shorter wavelengths and higher frequencies at the blue end of the spectrum of a luminous celestial body, indicating that the light source is moving rapidly toward the observer.
Webster's New World

Other Word Forms of Blueshift

Noun

Singular:
blueshift
Plural:
blueshifts

Origin of Blueshift

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blueshift