NASA / GODDARD SPACE FLIGHT CENTER / SVS / SCIENCE PHOTO LIBRARY NASA / GODDARD SPACE FLIGHT CENTER / SVS / SCIENCE PHOTO LIBRARY
Mars water loss. Animation showing Mars as it appears now, its ancient ocean 4.5 billion years ago, and the gradual loss of that ocean. The loss of the water turned Mars into a dry, desert world, with some water remaining in the ice found at the poles.
Model release not required. Property release not required.