How NASA’s new map of Mars stacks up against some of the world’s all-time great maps

NASA recently unveiled Mars Trek, a fully interactive map of the Red Planet, based on photographic imagery from previous and current Mars missions. You can zoom in, check out landing sites and landmarks, and even choose to view the planet in 2D or 3D, much as you would with Google Earth. You can also overlay data collected from NASA on the map or trace the paths of rovers on the surface of Mars. 

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