English astronomer William Lassell's 24-inch reflecting telescope,completed in 1845. Lassell's (1799-1880) telescope was the first to be mounted equatorially. With it,in 1851,he discovered four new satellites: Neptune,Neptune's largest moon,and two moons of Uranus | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / NYPL / Science Source |
Taille de l’image : | 3256 px × 3394 px |
Model Release : | Non requis |
Property Release : | Non requis |
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