Mathematical Discovery of Neptune - Another interesting history on how planets can be discovered mathematically. Welcome to the Planets: Neptune - Planetary profile and vital statistics. Views of the Solar System: Neptune - Views, animations, general information and data of the planet. Astronomy 161: Neptune - General features and some pictures. Neptune - Pictures, statistics, and detailed information on planet Neptune. NSSDC Photo Gallery: Neptune - Select images of the planet, with brief captions. Neptune114 - Its atmosphere, rings, moons, appearance, and links to related sites. Neptune - Information on the planet Neptune, its dark spots and moons. Windows to the Universe: Neptune - Overview of several aspects of the planet. Versions available for beginner, intermediate and advanced level users.