A desert is a landscape or region that receives an extremely low amount of precipitation, less than enough to support growth of most plants.
Abydos surface is an immense desert affected by constant sandstorms. (Stargate)
The planet P3X-562 is mostly a desert composed of yellow sand. (SG1: "Cold Lazarus")
Members of the Destiny expedition came across a desert planet in their search for something to repair the CO2 scrubbers on Destiny. (SGU: "Air, Part 3")
An unnamed planet on the distant galaxy visited by the Destiny expedition has a desert. (SGU: "Lost")
Simeon escaped from Destiny into a planet with an immense desert, home to the Space bisons. (SGU: "Malice")