The constellation of Orion the Hunter. Orion is one of the best known constellations in the sky. Four bright stars identify a large quadrangle,at the centre of which lies the Orion's belt,an asterism formed by three bright stars lying in a straight line. The two brightest stars in the quadrangle are Betelgeuse (top left),a red giant star and Rigel (bottom centre),a hot blue supergiant. The Great Orion Nebula (M42),one of the very few emission nebulae visible with the naked eye,is seen as round pink patch at bottom centre under the Orion's belt | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Sanford, John |
Taille de l’image : | 4715 px × 3736 px |
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