Orion

Orion Till Credner, CC BY-SA 3.0

Constellation straddling the celestial equator

Orion is a prominent set of stars visible during winter in the northern celestial hemisphere. It is one of the 88 modern constellations; it was among the 48 constellations listed by the 2nd-century AD astronomer Ptolemy. It is named after a hunter in Greek mythology.

Also known as...Ori, Orionis, and Orion (constellation)
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