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red shift

(Encyclopedia)red shift or redshift, in astronomy, the systematic displacement of individual lines in the spectrum of a celestial object toward the red, or longer wavelength, end of the visible spectrum. The effect...

red tide

(Encyclopedia)red tide: see Dinoflagellata.

Red Wing

(Encyclopedia)Red Wing, city (1990 pop. 15,134), seat of Goodhue co., SE Minn., on the Mississippi River at the head of Lake Pepin; inc. 1857. It is a commercial and manufacturing center in the Hiawatha valley farm...

Conrad the Red

(Encyclopedia)Conrad the Red, d. 955, duke of Lotharingia (Lorraine; 944–53). A Franconian adherent of the German king Otto I (later Holy Roman emperor), he was made duke of Lotharingia and married Otto's daughte...

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