Globular cluster. Computer artwork of a view across rock formations on the surface of an alien planet,towards its moon (centre) and a globular star cluster in the sky above. Globular clusters are dense spherical collections of stars that can contain over a million stars within a volume only a few hundred light years across. They formed early in the history of the universe and their stars are thought to be amongst the oldest known | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Hardy, David A. |
Taille de l’image : | 2544 px × 3504 px |
Model Release : | Non requis |
Restrictions : | - |