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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 giant

(Encyclopedia)red giant, star that is relatively cool but very luminous because of its great size. All normal stars are expected to pass eventually through a red-giant phase as a consequence of stellar evolution. A...

Red Sea

(Encyclopedia)Red Sea, ancient Sinus Arabicus or Erythraean Sea, narrow sea, c.170,000 sq mi (440,300 sq km), c.1,450 mi (2,330 km) long and up to 225 mi ...

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...

Auerbach, Red

(Encyclopedia)Auerbach, Red (Arnold Jacob Auerbach) ouˈərbăkˌ, –bäkˌ [key], 1917–2006, American basketball coach and executive, b. Brooklyn, N.Y. As coach of the Boston Celtics (1950–66), he built the l...

red cedar

(Encyclopedia)red cedar: see juniper.

red eft

(Encyclopedia)red eft: see newt.

red fir

(Encyclopedia)red fir: see pine.

red maids

(Encyclopedia)red maids: see purslane.

red pepper

(Encyclopedia)red pepper: see pepper.