Percival Lowell's Mausoleum at the Lowell Observatory in Flagstaff,Arizona,USA. Lowell (1855-1916) predicted the existence of a ninth planet outside the orbit of Neptune. Although Lowell searched for it from 1905 to 1914,it was not until 1930 that Pluto was found (by Tombaugh at the Lowell Observatory) | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / West, Jim |
Taille de l’image : | 3840 px × 5760 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |