Astronaut on Mars. Computer artwork of an astronaut exploring the surface of Mars. Mars is a rocky desert world with no surface water and a gravity about one third of that on Earth. The atmosphere is mostly carbon dioxide and surface temperatures are well below freezing. Human missions to explore Mars have been planned since the 1950s,usually involving a period of 10 to 30 years to develop the necessary technology and resources | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Van Ravenswaay, Detlev |
Bildgröße: | 5913 px × 2956 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |