how did the hadean eon get its name
Hadean "Hadean" (from Hades, the Greek god of the underworld) describes the hellish conditions then prevailing on Earth: the planet had just formed and was still very hot owing to its recent accretion, the abundance of short-lived radioactive elements, and frequent collisions with other Solar System bodies.
Helios Helios (/ˈhiːli.ɒs/; Ancient Greek: Ἥλιος Hēlios; Latinized as Helius; Ἠέλιος in Homeric Greek) is the god and personification of the Sun in Greek mythology. He is the son of the Titan Hyperion and the Titaness Theia (according to Hesiod), also known as Euryphaessa (in Homeric Hymn 31) and brother of the goddesses Selene, the moon, and Eos, the dawn.