The Distant Planet Neptune Screensaver - Version 1.1 The free screensaver, The Distant Planet Neptune, was created by RateMyScreensaver.com and contains 19 high resolution images of the planet Neptune. Neptune is the eighth and farthest planet from the Sun in our solar system. It is the fourth largest planet by diameter and the third largest by mass; Neptune is 17 times the mass of Earth and is slightly more massive than its near twin Uranus.