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Use "astrogeologist" in a sentence
"And it didn't hurt that the head of that department was Farouk El-Baz, the famous astrogeologist!"
"His remains, together with those of 120 others, will be on a Space Services Inc Explorers flight, alongside an unidentified astronaut and Mareta West, the astrogeologist who determined the site for the first spacecraft landing on the moon, says CNN."