Martian surface. Historical images of surface features on the Martian surface as drawn by four different observers at different times in the same year (1958). These images show the difficulties scientists faced in accurately describing the surface of the planet before efficient photographic techniques became available | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Van Ravenswaay, Detlev |
Bildgröße: | 3435 px × 2621 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: | - |