planetographer

plural planetographers

1. literatureSomeone who studies planetography ("the branch of astronomy concerned with the description of the physical features of planets").

   1 more example

   In the century-plus since Eris was settled, we have already raised the temperature of its lithosphere by several degrees, just as we've thickened the atmosphere ot Callisto a thousandfold: if this goes on, the more annoyingly farsighted planetographers warn, we can look forward to an increased incidence ot icequakes and the threat of a year-round atmosphere.

   2008, Charles Stross, Saturn's Children: A Space Opera, New York, N.Y.: Ace Books, →ISBN, page 269