If scientists can understand how this mineral was formed in Antarctica, they might be able to trace signs of water on Mars.
The structure itself implies that Mars was very active in its geological past. 2. Valles Marineris: Largest canyon system in ...
Valles Marineris West of Hydraotes, we find one Mars's greatest attractions, Valles Marineris. It's the largest canyon in the solar system, running the length of New York to Los Angeles ...