Since delta cephei was one of the earliest members of a special kind of variables being discovered , all variables in this family are called cepheid variables or simply cepheids 星的中國名稱為造父一,由于它最早被發(fā)現的一種新變星類別,所以這類變星皆稱為造父變星。
In 1784 , john gooddricke , a 19 - year old british astronomer discovered that delta cephei was a variable star with a period of 5 . 4 days . two years later , this dumb and deaf genius suddenly passed away 兩年后,這位聾啞天才遽然逝世,但他的發(fā)現卻把人類對天體距離的測度向前推展超過一億光年!仙王座的