A guide talks to visitors about the Clark Telescope at the Lowell Observatory in Flagstaff,Arizona,USA. Built in 1896,the telescope found the first evidence of the expanding nature of the universe. It is now used only for public education | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / West, Jim |
Taille de l’image : | 3414 px × 5120 px |
Model Release : | Le droit n'est pas encore disponible. Merci de nous contacter avant utilisation. |
Property Release : | Non requis |
Restrictions : |
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