Keywords
artwork, astrophysics, black background, center, circle, color image, copy space, core, cross section, crust, cutaway view, cutout, diagram, digitally generated image, extending, exterior, frozen, geophysics, globe, hot, ice, illustration, interior, internal, layered, lunar, mantle, middle, model, moon, natural satellites, no people, nucleus, protruding, round, schematic, science, section, segments, single object, space, sphere, square image, titan, 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, rmr100007s