- an asteroid (6.9 km in diameter) that has an orbit approaching close to the sun and
releases fragments of dust that enter the earth's atmosphere as meteors
- (Greek mythology) the son of Helios (the sun god) who borrowed his father's chariot and nearly set the
earth on fire by approaching too close to it. Zeus averted the catastrophe by striking
him down with a thunderbolt
Example Sentences Including 'Phaethon'
In mythology, Eridanus was the river into which Phaethon fell after trying to drive the chariot of his father Helios, the Sun god.
Stars and Planets
to comment on this word.