The Kingdom of Orion

Image title: The Kingdom of Orion
Author: Carlos Zudaire
Country: Spain

This image, taken in January 2022, pictures a landscape from Navarra, a province in the north of Spain with ruins from old civilizations in the foreground. Above that, we see a partially cloudy and starry sky with the most prominent stars belonging to the star pattern Orion. Composed of many bright stars with several interesting deep sky objects within its boundaries, Orion is one of the 88 officially recognised IAU constellations. It originates from Greek mythology where the hero Orion is the son of the sea god Poseidon. Orion is characterised as a giant hunter lurking just before he attacks an animal (it is unclear which animal he attacks, but, in the original Babylonian version of the Gilgamesh saga, it is the Bull of Heaven depicted as the constellation Taurus). The modern planetarium interpretation depicts him as a Roman warrior raising up his shield, but the two accompanying dogs, represented by the constellations of Canis Major and Canis Minor, are reminiscent of the Greek hunter.

Located at the celestial equator, the star pattern is visible all over the world and is interpreted differently in various mythologies, for example as three fishermen at a campfire in parts of Australia, as a butterfly in some parts of Africa, and as a stairway for the souls of ancestors in parts of South America. As Spain belonged to the Roman empire, the original constellations from earlier times are not known. There are some cave paintings on the Iberian peninsula that could possibly have astronomical references. However, there is uncertainty as to whether these painted figures on rocks depict star patterns.

Orion is best visible from November to January. Its most recognisable feature is the “belt”, an asterism composed of three bright, aligned stars (Alnitak, Alnilam and Mintaka), also recognised by different cultures. Just below this belt is the Orion Nebula, a famous and widely studied star-forming region located about 1500 light-years from Earth. The constellation's brightest stars are Rigel — a blue supergiant which is one of the brightest stars in the sky — and Betelgeuse, a massive red supergiant. The former serves as the left foot, and the latter as the right shoulder of the hunter. While Rigel is in the middle of its life, Betelgeuse is expected to explode within the next few tens of thousands of years. The Orionids, a meteor shower with typical rates of dozens of meteors per hour, whose parent body is Halley’s Comet, can be seen every year in the area of Orion, next to the border with the constellation of Gemini during the month of October.

Also see image in Zenodo: https://doi.org/10.5281/zenodo.7424030

Credit:

Carlos Zudaire/IAU OAE

About the Image

Id:
ann22042a
Release date:
15 December 2022, 12:00
Related announcements:
ann22042
Size:
2598 x 1732 px
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