Over time, impacts of asteroids, big and small, pocked the surface of the moon and elsewhere. Schmitt said.Īnother far-reaching scientific legacy of the moon rocks gathered by the Apollo astronauts is how scientists used them to calibrate a technique of using craters to determine the ages of places in the solar system. “It told us there were going to be tremendous amounts of potential resources for use in space, and possibly even on Earth,” Dr. A light version of helium, helium-3, is of particular future interest as fuel for fusion reactors, which could generate bountiful, nearly clean energy by combining atoms. Armstrong’s soil also contained hydrogen, helium, nitrogen and carbon, much of which had been deposited by the solar wind, the stream of high-speed particles continually flying outward from the sun.
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