Persephone is Hades' wife, held in the darkness of the underworld, in mythology, hence an appropriate name for the 10th planet, since Pluto is Hades in Roman mythology.
Persephone is Hades'wife in mythology. Hades' wife is held in the darkness of the underworld. Mythology is hence an appropriate name for the 10th planet. Pluto is Hades in Roman mythology.