Wiktionary
astrogeologist
n. One who studies astrogeology.
Usage examples of "astrogeologist".
Wanting to nab an expert astrogeologist, just like they took his colleague a couple of months ago.
Kochi, the astrogeologist, had to crawl out of the cell to give herself room enough to stand.
She was an astrogeologist who had done her doctoral thesis on comet formation.
Apart from various physicists and astrogeologists who were eagerly making use of the rare chance to study firsthand the effects on other bodies of removing a large mass from a planetary system, that was one week too long.
The Technology and Artifacts people dreaded losing their urban context, but the astrogeologists and climatologists welcomed the prospect of a long detour into the deserts and mountains.