Orion

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**Object**
Gallery

## Orion

### Type

Constellation

**Orion** is a prominent constellation located on the celestial equator and visible throughout the world. It is one of the most conspicuous and recognizable constellations in the night sky. It was named after Orion, a hunter in Greek mythology. Its brightest stars are Rigel (Beta Orionis) and Betelgeuse (Alpha Orionis), a blue-white and a red supergiant, respectively.

The earliest depiction that has been linked to the constellation of Orion is a prehistoric (Aurignacian) mammoth ivory
 carving found in a cave in the Ach valley in West Germany in 1979. Archaeologists have estimated it to have been fashioned approximately 32,000 to 38,000 years ago.The distinctive pattern of Orion has been recognized in numerous cultures around the world, and many myths have been associated with it. Orion has also been used as a symbol in the modern world.

### Ancient Near East

The Babylonian star catalogues of the Late Bronze Age name Orion '**MULSIPA.ZI.AN.NA'**,"The Heavenly Shepherd" or "True Shepherd of Anu" – Anu being the chief god of the heavenly realms. The Babylonian constellation was sacred to Papshukal and Ninshubur, both minor gods fulfilling the role of 'messenger to the gods'. Papshukal was closely associated with the figure of a walking bird on Babylonian boundary stones, and on the star map the figure of the Rooster was located below and behind the figure of the True Shepherd—both constellations represent the herald of the gods, in his bird and human forms respectively.

In ancient Egypt, the stars of Orion were regarded as a god, called Sah. Because Orion rises before Sirius, the star whose heliacal rising was the basis for the Solar Egyptian calendar, Sah was closely linked with Sopdet, the goddess who personified Sirius. The god Sopdu was said to be the son of Sah and Sopdet. Sah was syncretized with Osiris, while Sopdet was syncretized with Osiris' mythological wife, Isis. In the Pyramid Texts, from the 24th and 23rd centuries BC, Sah was one of many gods whose form the dead pharaoh was said to take in the afterlife.

The Armenians identified their legendary patriarch and founder Hayk with Orion. *Hayk* is also the name of the Orion constellation in the Armenian translation of the Bible.[9]

The Bible mentions Orion three times, naming it "Kesil" (כסיל, literally – fool). Though, this name perhaps is etymologically connected with "Kislev", the name for the ninth month of the Hebrew calendar (i.e. November–December), which, in turn, may derive from the Hebrew root K-S-L as in the words "kesel, kisla" (כֵּסֶל, כִּסְלָה, hope, positiveness), i.e. hope for winter rains.: Job 9:9 ("He is the maker of the Bear and Orion"), Job 38:31 ("Can you loosen Orion's belt?"), and Amos 5:8 ("He who made the Pleiades and Orion").

In ancient Aram, the constellation was known as *Nephîlā′*, the *Nephilim* may have been Orion's descendants.

## Future

Animation showing Orion's proper motion from 50000 BC to 50000 AD. As you can see, Pi3 Orionis moves the most rapidly.

Orion is located on the celestial equator, but it will not always be so located due to the effects of precession of the Earth's axis. Orion lies well south of the ecliptic, and it only happens to lie on the celestial equator because the point on the ecliptic that corresponds to the June solstice is close to the
border of Gemini and Taurus, to the north of Orion. Precession will eventually carry Orion further south, and by AD 14000 Orion will be far enough south that it will
become invisible from the latitude of Great Britain.

Further in the future, Orion's stars will gradually move away from the constellation due to proper motion. However, Orion's brightest stars all lie at a large distance from the Earth on an astronomical scale—much farther away than Sirius, for example. Orion will still be recognizable long after most of the other constellations—composed of relatively nearby stars—have distorted into new configurations, with the exception of a few of its stars eventually exploding as supernovae, for example Betelgeuse, which is predicted to explode sometime in the next million years.