Mayall 4m telescope dome, Kitt Peak National Observatory, Arizona, USA. The reflecting telescope has a 4m-diameter primary mirror. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Williamson, Mark |
Taille de l’image : | 3456 px × 5163 px |
Model Release : | Non requis |
Restrictions : | - |