View of the 2.3 metre (90-inch) & 3.8 metre (150- inch) telescopes at the Kitt Peak National Observatory,Arizona,with star trails above | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Espenak, Dr. Fred |
Taille de l’image : | 3543 px × 2544 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |