This wallpaper is a good choice for the desktop of those who love astronomy. The wallpaper shows the largest moons and the smallest planets. Ganymede is one of the largest known moons and is a satellite of Jupiter. It was discovered by Galileo. Titan is the moon belonging to Saturn. It was discovered by Christiaan Huygens. Mercury moon is misinterpreted however it is just a natural satellite orbiting planet Mercury. Callisto is a moon of planet Jupiter and was discovered by Galileo. The wallpaper shows six of the smallest known planets in our solar system.
To set this Pictures of Planets as wallpaper background on your desktop, select above resolution links then click on the DOWNLOAD button to save Pictures of Planets images on your desktop computer. Right click on the picture you have saved and select the option "Save image as" or "Set As Background".