Luckily, it did not have to face Shelob, but it might have learned about the past habitability of the Red Planet.
NASA’s Curiosity rover investigates boxwork rock formations on Mount Sharp to gather evidence of ancient groundwater on Mars.
For about six months, NASA's Curiosity Mars rover has been exploring a region full of geologic formations called boxwork, low ridges standing roughly 3 to 6 feet (1 to 2 meters) tall with sandy ...
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