Illustrations of Mars in 1901 and 1909, when the planet was in opposition, the point where it is closest to Earth. The dark triangle is the feature Syrtis Major, the brightest field at left is the North Pole, the bright field at the top left is the South Pole. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Van Ravenswaay, Detlev |
Bildgröße: | 4134 px × 2214 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |