Alpha Cephei

Diagram showing star positions and boundaries of the Cepheus constellation and its surroundings

Alpha Cephei (α Cep, α Cephei) is a second magnitude star in the constellation of Cepheus near the northern pole. The star is relatively close to Earth at only 49 light years. It has the traditional name Alderamin, an Arabic name meaning "the right arm".

单词	Alderamin
释义	Alderamin 英语百科 Alpha Cephei Alpha Cephei (α Cep, α Cephei) is a second magnitude star in the constellation of Cepheus near the northern pole. The star is relatively close to Earth at only 49 light years. It has the traditional name Alderamin, an Arabic name meaning "the right arm".
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