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Its Bayer designation is α Orionis, Latinised to Alpha Orionis and abbreviated Alpha Ori or α Ori. [ 19 ] With a radius between 640 and 764 times that of the Sun, [ 14 ] [ 11 ] if it were at the center of our Solar System , its surface would lie beyond the asteroid belt and it would engulf the orbits of Mercury , Venus , Earth , and Mars .
Betelgeuse and Bellatrix are south-east and south-west of the formation, forever cast as Alpha and Gamma by Bayer, they are near the top of Orion and in myth represent the hunter's shoulders. Sharpless 264 , also known as the Lambda Orionis Ring , is a molecular cloud and H II region , which can be seen in the northern region of the Orion ...
Bellatrix is the third-brightest star in the constellation of Orion, positioned 5° west of the red supergiant Betelgeuse (Alpha Orionis). It has the Bayer designation γ Orionis, which is Latinized to Gamma Orionis. With a slightly variable magnitude of around 1.6, it is typically the 25th-brightest star in the night sky.
Betelgeuse (Alpha Orionis) 408 – 548 +90 −49: 1: M1–M2 Ia–ab +0.50: The closest red supergiant star and one of the closest supernova candidates to Earth. Beta Pyxidis: 416: 1: G5III: HD 23753: 420 ± 10: 1: B9 Vn: 5.44: Part of Pleiades Cluster . Theta Antliae: 430: 1: A8 Vm + G7 III: 4.79: Celaeno (16 Tauri) 430: 1: B7IV +5.448: Part ...
The following is a list of stars with resolved images, that is, stars whose images have been resolved beyond a point source. Aside from the Sun , observed from Earth , stars are exceedingly small in apparent size, requiring the use of special high-resolution equipment and techniques to image.
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Alnitak, meaning "the girdle", is designated Zeta Orionis, and is the easternmost star in Orion's Belt. It is a triple star system, with the primary star being a hot blue supergiant and the brightest class O star in the night sky. Saiph is designated Kappa Orionis by Bayer, and serves as Orion's right foot. It is of a similar distance and size ...
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