Observer using a Dobsonian telescope at night. The Dobsonian telescope is a large,low cost,but powerful telescope designed to observe faint object. They are simple in design and popular with amateur astronomers | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Tafreshi, Babak |
Taille de l’image : | 2912 px × 4368 px |
Model Release : | Le droit n'est pas encore disponible. Merci de nous contacter avant utilisation. |
Property Release : | Non requis |
Restrictions : | - |