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Created page with "== Introduction == Delta Cephei is a prominent star located in the constellation of Cepheus. It is the prototype of the Cepheid variable stars, a class of pulsating stars that are crucial in the field of astrophysics for measuring cosmic distances. Discovered in 1784 by the English amateur astronomer John Goodricke, Delta Cephei has since become a cornerstone in the study of stellar evolution and cosmology. == Characteristics of Delt..."
