Alnilam (Epsilon Orionis). Optical image of Alnilam,the central and brightest star of Orion's belt. Alnilam is a blue-white supergiant,and the 30th brightest star in the sky. It is losing material at a rate of two millionths of a solar mass a year,20 million times the rate lost by the Sun. This cuases a powerful stellar wind around the star. It is a young star at only around 4 million years old. However,it is predicted to die an explosive death as a supernova in another million years. It lies 1,340 light years away | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / De Martin, Davide |
Taille de l’image : | 4662 px × 3487 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |