Mars as seen from Phobos,computer artwork. Phobos (grey,foreground) is the larger of the two Martian moons. It is irregular in shape,measuring 19 by 21 by 27 kilometres. Phobos orbits Mars in around 7.6 hours at an average distance of 9400 kilometres. Mars,the fourth planet from the Sun,has a diameter of around 6800 kilometres | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Van Ravenswaay, Detlev |
Taille de l’image : | 3661 px × 5315 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |