The phrase "moon dust" refers to the powdery substance made of small particles found on the surface of the moon.
Sentences with «moon dust»
We brought back moon rocks & moon dust samples. (entrepreneur.com)
People who want to launch nuclear bombs at the moon, to shoot moon dust into the outer space to reflect sunlight away. (grist.org)
Evidence discovered within samples of moon dust returned by lunar crews of Apollo 15 and 17 dispels the theory that comets delivered the molecules. (sciencedaily.com)