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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...

giant African land snail

(Encyclopedia)giant African land snail, any of several species of large terrestrial snails of tropical Africa that have become agricultural pests in other regions of the world. The species include the giant African...

Giant Sequoia National Monument

(Encyclopedia)Giant Sequoia National Monument: see National Parks and Monuments (table)national parks and monuments (table). ...

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