Illustration of a sunspot observed by the Italian astronomer Pietro Tacchini (1838-1905) on 25th June 1872. Illustration published in Le Ciel (The Sky), A. Guillemin, Paris, France, 1877. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Collection Abecasis |
Bildgröße: | 3248 px × 2957 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |