Kitt Peak National Observatory,Tucson,Arizona,USA,and the Milky Way. With 23 telescopes,this is the largest collection of astronomical instruments in the world. The telescope at the highest point is the Mayall 4-metre telescope (completed in 1973) | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Nunuk, David |
Taille de l’image : | 3378 px × 5173 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |