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English: The Whirlpool Galaxy (Spiral Galaxy M51, NGC 5194) is a classic spiral galaxy located in the Canes Venatici constellation.
中文(简体): 涡状星系(又叫做M51或是NGC5194)是一个典型的旋涡星系,位于猎犬座
中文(繁體): 透過哈柏太空望遠鏡拍攝的渦狀星系(螺旋星系M51,NGC 5194)