Selenography is a noun that refers to the mapping of the moon.

In Greek mythology Selene is the goddess of the moon. In recent years her name has been adopted for for words that refer to the moon. For selenography, the suffix G-R-A-P-H-Y has been added to created a word specifically related to geography of the moon. Here’s an example of selenography in use:

Patti decided to pursue a career in selenography because of her love of the moon. But she soon discovered that the job consisted a lot more of memorizing geographic details.