Orion most commonly refers to: · Orion , a hunter in Greek mythology · Orion , a constellation Orion may also refer to: Astronomy and space · Orion Arm, a spiral arm in the Milky Way galaxy · Orion Nebula, a nebula also known as M42 · Orion , an American sounding rocket · Orion 1 and Orion 2 Space Observatories, Soviet space observatories onboard space station Salyut 1 (1971) and Soyuz 13 (1973), respectively · Orion , an Argentine sounding rocket · Orion , a U.S. space capsule under development by (NASA) and Lockheed Martin · Project Orion , a proposed nuclear pulse propulsion system for spacecraft · Orion, the lunar module of the Apollo 16 manned mission to the moon Geography · Orion, Alberta, Canada · Orion, Bataan, the Philippines · Orion,

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