What's the difference between selenograph and selenography?
Selenograph
Definition:
(n.) A picture or delineation of the moon's surface, or of any part of it.
Example Sentences:
(1) On its website, just underneath its Bangalore address, it also lists its selenographic (moon) address, just near where the US government landed its own probe in 1966.
Selenography
Definition:
(n.) The science that treats of the physical features of the moon; -- corresponding to physical geography in respect to the earth.