Astronomy class. Historical artwork of a teacher (right) instructing a class in astronomy and navigation. Artwork from the 18th century,when there were many conflicting astronomical theories | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Bildgröße: | 3014 px × 2575 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |