Illustration comparing Valles Marineris - the Solar System's largest known canyon, on Mars - with the United States of America. The Grand Canyon is but a scratch compared to this. | |
Lizenzart: | Lizenzfrei |
Credit: | Science Photo Library / Garlick, Mark |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |