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Fountains on the moon may answer a few astronaut wishes. Dust plumes lofted from craters could aid the future search for water and other resources.
The idea of flying dust goes back to astronaut Gene Cernan on the Apollo 17 mission, who sketched an extended glow above the moon's surface that scientists thought might be due to light scattering off dust. And an experiment deployed by the same mission detected a flurry of high-speed dust particles around sunrise and sunset.
Researchers suspect that the solar wind is involved. This tenuous plasma of positive ions and electrons blows constantly past the moon, and at the moment of sunrise or sunset it is blowing almost horizontally across the surface.