"In ancient Roman religion and myth, Luna is the divine embodiment of the Moon (Latin luna; cf. English "lunar"). She is often presented as the female ...
complement of the Sun (Sol) conceived of as a god. Luna is also sometimes represented as an aspect of the Roman triple goddess (diva triformis), along with Proserpina and Hecate. Luna is not always a distinct goddess, but sometimes rather an epithet that specializes a goddess, since both Diana and Juno are identified as moon goddesses.
In Roman art, Luna attributes are the crescent moon plus the two-yoke chariot (biga). In the Carmen Saeculare, performed in 17 BC, Horace invokes her as the "two-horned queen of the stars" (siderum regina bicornis), bidding her to listen to the girls singing as Apollo listens to the boys." - (en.wikipedia.org 31.10.2019)