Art & Fantasy
Real Planets
Fantasy Planets
                    Real
Galaxies & Solar Systems

Fantasy Solar & Galaxie Systems
Users of these wallpapers should know, some of the wallpapers in the Fantasy classifications may be real, but if I could not verify them with credits from NASA, European Space Agency, or an Observatory, they went into Fantasy.
Real Ships
Fantasy Ships
Fantasy Asteroids,
          Comets

Asteroids-Comets
Fantasy Landscapes