To build and supply a lunar base, astronauts will need heavy-duty space trucks for transporting gear. There's just one problem: no roads. That's why NASA engineers designed the rover they call ATHLETE (All-Terrain Hex-Limbed Extra-Terrestrial Explorer) - to handle any terrain, whether dusty, rocky, or crater-y.
The key is the rover's six bendable spider legs and wheeled feet. On smooth surfaces, it rolls on those wheels; when it runs into an obstacle it can't clear, it simply steps over it. ATHLETE can also split into a pair of robots that together pick up and haul specially designed shipping containers.
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