31K views · 1.2K reactions | The Moon’s spectacular Aristarchus Crater, as seen from NASA's Lunar Reconnaissance Orbiter (LRO). Aristarchus is about 25 miles or 40 kilometers in diameter. Thanks to LRO’s amazingly sharp cameras, we can zoom in until we can see individual boulders on the surface. See more at moon.nasa.gov/resources/347/aristarchus-crater/ | NASA Solar System Exploration | Facebook