Orion (Mythology)
Giant huntsman of Greek mythology, son of Poseidon (or in one version, born from the urine of Zeus, Hermes, and Poseidon buried in a bull's hide). Placed among the stars by Zeus or Artemis. Venerated as a hero in the region of Boeotia.
Astronomical correspondence: orion-constellation. Crossing note: crossing-orion-scorpius.
The Hunter
Orion is described in the oldest surviving Greek literature — Homer's *Iliad* names him as a constellation, and the *Odyssey* shows Odysseus encountering him as a shade in the Underworld, still hunting with a bronze club. Hesiod's *Works and Days* uses Orion's rising and setting with the Sun to mark the agricultural year.
His defining characteristic is scale: he is the supreme hunter, large enough to walk on water (inherited from Poseidon), threatening to kill every beast on Earth — a boast that triggered his death.
Death and Placement in the Sky
Multiple conflicting versions of his death survive. The dominant astronomical version (Hyginus): Gaia, objecting to Orion's threat to kill every beast, sent a giant scorpion to fight and kill him. Artemis and Leto asked Zeus to place Orion in the sky as a constellation. Zeus consented — and also placed the Scorpion in the heavens. As a memorial to how the scorpion killed Orion, Zeus placed them on opposite sides of the sky, so they would never share it.
This is not merely mythological decoration — it encodes an astronomical fact. See crossing-orion-scorpius.
The Pleiades Connection
In a third version of his ascension (Hyginus): Orion chased Pleione, mother of the Pleiades, for seven years. Zeus intervened and raised all of them to the stars — so the eternal pursuit continues in the sky. Orion still faces the direction of the Pleiades in the constellation.
Critically: Hermes is the son of Maia — one of the seven Pleiades, Atlas's daughters whom Orion pursued. The mythologies are deeply entangled: the messenger god is the son of one of Orion's prey.
Myth Predates Constellation
There is scholarly consensus that "the myth of Orion existed before there was a constellation named for him." Homer mentions both Orion-the-hunter and Orion-the-constellation, but treats them as distinct. Once the constellation was identified, astronomical observation fed back into the myth — the *Phaenomena* of Aratus conflates the scorpion attack with the constellation's sky position.
The pomegranate (*side* in Greek) bears fruit while Orion the constellation is visible at night — one of his wives is named Side, suggesting a mythological encoding of agricultural timing.