It was discovered in NUMBER@1 in images taken by Voyager NUMBER@2 , and was named in NUMBER@3 after the first wife of Zeus , Metis .

Metis was found in NUMBER@1 by PERSON@1 in images taken by the Voyager NUMBER@2 probe . In NUMBER@3 it was named after the mythological Metis , a MISC@1 who was the first wife of Zeus -LRB- the MISC@2 equivalent of LOCATION@1 -RRB- .
