What does Yildiz mean?
The Turkish word 'yildiz' ('star'). The same word was later applied (as 'Yildun') to a star in Ursa Minor, but as a given name it simply means 'star'.
What does Aydan mean?
Aydan is a Turkish/Azerbaijani name from 'ay' ('moon') plus the suffix -dan ('from'), i.e. 'from the moon.' Some sources list unrelated secondary meanings ('tall palm tree'), but the moon reading is primary.