Mount Sharp – a mountain on Mars and the primary target of NASA’s Mars rover Curiosity – was built by sediments deposited in a large lake bed over tens of millions of years, says rover science team. Gale crater is 155 km in diameter and now holds a layered mountain rising about 5 km above the crater floor. This illustration depicts a lake of water partially filling the crater. Image credit: NASA / JPL-Caltech / ASU / UA / Sci-News.com. Mount...
