"I do not know if LADEE will see lunar dust in the lunar atmosphere, but I will not be surprised if there is none," Schmitt told SPACE.com. "We know about several transient gases in that atmosphere, and these may be what causes the horizon glow at sunrise and sunset."
Moon dust, Schmitt added, was always been on his mind.
"My concern about levitated dust has always been that levitation, if it occurs at all, probably has to be a one-way trip off the moon … because many flat rock surfaces are essentially free of very fine dust, as I personally witnessed on Apollo 17."
Schmitt said that if dust has been levitated and then dropped again, he would expect the rock surfaces to be covered with such dust.
"Nonetheless, LADEE data on this question, as well as various gases, should give us a lot to think about," Schmitt said.
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