单词	blueshift
释义	blueshift noun blue·​shift ˈblü-ˈshift  : the displacement of the spectrum of an approaching celestial body toward shorter wavelengths blueshifted ˈblü-ˈshif-təd  adjective Example Sentences Recent Examples on the Web Astronomers first studied faraway star surfaces by looking at the redshift or blueshift of light coming from the stars, a technique called Doppler imaging that reveals movement on the stars' surfaces. Jay Bennett, Popular Mechanics, 1 Feb. 2018 Word History First Known Use 1933, in the meaning defined above
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