A vision of the planet Mars covered in water in the ancient past, when its atmosphere was thicker and warmer. This shows a view over Valles Marineris, the largest known canyon in the Solar System. There are hints of green, indicative of primitive life. | |
Licence : | Libre de droits |
Crédit: | Science Photo Library / Garlick, Mark |
Model Release : | Non requis |
Restrictions : | - |