Definition of Alderamin
: a white variable star of the second magnitude that is the brightest star in the constellation Cepheus Five thousand years hence, Alderamin, in Cepheus will be the North Star, and 12,000 years from now it will be brilliant Vega in Lyra. — Phillip D. Stern, St. Petersburg (Florida) Times, 1 May 1988 —called also Alpha Cephei
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First Known Use of alderamin
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