Photograph of Betelegeuse,the second brightest star in the constellation of Orion & the 12th brightest star in the sky. Also known as Alpha Orionis,it is a red supergiant star (spectral type M21) 520 light years away. It is a semi- regular variable star with a period of about 5.8 years. 22 min exposure | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Sanford, John |
Taille de l’image : | 3720 px × 2384 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |