a satellite, a celestial body orbiting the earth or another planet., landing, bringing something to land, rock samples, rock and mineral samples, astronauts, a person who is trained to travel in a spacecraft, gravitational forces, https://www.youtube.com/watch?v=HWuCf3A0maY, meteorites, a piece of rock or metal that has fallen to the earth's surface from outer space, craters, a large bowl-shaped cavity in the ground or on a celestial object

Moon

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