Wiktionary
planetscape
n. The landscape of the surface of a planet.
Usage examples of "planetscape".
Aric asked, staring at the half-darkened planetscape stretched out above them.
All around, at the distant circle of the horizon, the browns and grays and pale greens of the planetscape hazed with an odd seamlessness into the blue of the sky.
He was moving at a slow lumber, the gawkleg version of a wolf-trot, across the easy-roll planetscape of hard-packed pink sand glittery with infinitesimal specks of mica, marked by jutting prows of mauve basaltic rock.