Zorya sister refers to a celestial being from Slavic mythology who is responsible for guarding the Morning Star and the Evening Star. Synonyms for this term include Dawn Sister, Dusk Sister, Celestial Guardian, and Star Keeper. In Slavic folklore, the Zorya sisters were also associated with the concept of fate, with the eldest sister responsible for weaving the thread of human destiny. Other synonyms for Zorya sister may include Star Watcher, Sky Guardian, and Morning and Evening Star Protector. These terms all evoke powerful images of celestial beings who are responsible for keeping vigil over the heavens.