Lunar Module Eagle returning to orbit of the Moon, July 21, 1969

Referring to their incredibly dramatic descent, Aldrin said, “We knew we were continuing to burn fuel. We knew what we had, then we heard ‘30 seconds left.’ If we ran out of fuel, we knew it would be a hard landing. We saw the shadow cast in front of us. That was new – not something we saw in the simulator.” Photo Credit: NASA/Flickr

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