Once Neil Armstrong and Buzz Aldrin landed Eagle on the Moon, the Apollo 11 astronauts and their spaceship were really lost.
Oh, Mission Control by no means lost radio contact with them. But NASA was by no means in a position to determine the place, precisely, on the Moon they’d set down, whereas they were on the Moon. And NASA positive did strive.
The touchdown space on the Moon that had been picked out for Apollo 11 was about the size of Manhattan and twice as huge. In photograph surveys, it seemed plain, flat, and bland—not attention-grabbing for geologists however a protected place to land a spaceship, the first time human beings ever tried that on a spot off of Earth.
But up shut, the Sea of Tranquility was something however tranquil. As Armstrong and Aldrin flew down towards the Moon in their lunar module, Armstrong was searching the window and the spot the autopilot was flying them towards was, as Armstrong described it, a crater the dimension of a soccer area, plagued by boulders, some as giant as automobiles.
Not a snug place to attempt to land a gangly four-legged spaceship.
So Armstrong took guide management of the place the lunar module was flying to—the spaceship pc nonetheless did all the precise flying, however Armstrong was instructing it the place to go and at what velocity.
In the finish, he and Aldrin set down a number of miles from the unique touchdown spot—on protected, degree Moon floor, however not the place they’d deliberate to land. Armstrong, specifically, had studied pictures of the Sea of Tranquility in preparation for flying to it and knew the landmarks and the panorama of a lot of the space.
Andrew Chaikin, in his account of the Moon landings, A Man On the Moon, describes Armstrong’s response to touchdown in unfamiliar Moon terrain: “As he seemed out (at Tranquility Base), Armstrong puzzled the place he and Aldrin had landed . . . . (He) searched the horizon for some function he would possibly be capable to establish, however discovered none.”
There had been some fear inside NASA about whether or not, from Earth, they’d be capable to pinpoint the lunar module’s touchdown location. The Moon was mapped, however not in something like nice, up-close element; there were no constellations of monitoring satellites round the Moon in 1969.