Keywords
areology, astrogeology, bright, canyon, color image, concept, crater, depression, digitally generated image, elevated, elevation, exogeology, exterior, extraterrestrial, geography, geology, highlands, horizon over land, horizontal, illuminated, illustration, impact craters, land, land feature, landform, landscape, luminous, mars, martian, mojave crater, no people, outdoors, physical geography, planet, planetary science, red planet, rendition, rock, rough terrain, rugged, slope, space, space art, sunlight, sunset, surface, terrain, terrain model, texture, topography, twilight, valley, stock illustration, royalty free illustrations, stock clip art icon, stock clipart icons, logo, line art, EPS picture, pictures, graphic, graphics, drawing, drawings, vector image, artwork, EPS vector arts, fine art prints, print, poster, posters, mural, wall murals, shb100012s