Whether you are hiking in the woods or walking on the Moon, you need to establish a course in order to get to your destination. Prior to modern era GPS systems, explorers used a map and a compass. When it came time to explore the Moon for the first time, NASA relied on what had guided earthbound explorers for centuries, the map, and the compass.
Fig 1) David Scott took this 360-degree panorama of the Hadley landing site from atop the LM.
Continue reading "Working Hand in Hand: The Sun Compass and the Overlay Map" »