The Kitt Peak National Observatory,55 miles southwest of Tucson,and with 23 telescopes,is the largest gathering of astronomical instruments in the world | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Tafreshi, Babak |
Taille de l’image : | 3404 px × 2272 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |