Wiktionary
selenologist
n. A person; one who is skilled, professes or practices selenology.
Usage examples of "selenologist".
And not all of the nine hundred passengers would be chosen from the physicists, astrophysicists, selenologist, and engineers that dominated the lunar population.
Although the old man was the senior scientist of the party, and the foremost selenologist on the moon, he treated command routine casually.
Eaglefeather is one of our best selenologists as well as being one of the few native Americans to apply.
With it selenologists can fire lasers at the Lunar surface and measure the time it takes for the beams to be reflected to Earth.