Welcome to the Planets: Neptune Planetary profile and vital statistics. http://pds.jpl.nasa.gov/planets/welcome/neptune.htm

The Discovery of Neptune Interesting history on why it wasn't discovered sooner by the British. http://www.u-net.com/ph/naw96//discover.htm

Royal Greenwich Observatory: Neptune Basic overview. http://www.rog.nmm.ac.uk/leaflets/solar_system/section3.13.html

Views of the Solar System: Neptune Views, animations, general information and data of the planet. http://www.solarviews.com/eng/neptune.htm

Mathematical Discovery of Neptune Another interesting history on how planets can be discovered mathematically. http://www-groups.dcs.st-and.ac.uk/~history/HistTopics/Neptune_and_Pluto.html

John Couch Adams and Neptune The History of its discovery. http://www.joh.cam.ac.uk/publications/eagle97/Eagle97-John.html

Astronomy 161: Neptune General features and some pictures. http://csep10.phys.utk.edu/astr161/lect/neptune/neptune.html

Neptune Pictures, statistics, and detailed information on planet Neptune. http://www.nineplanets.org/neptune.html

NSSDC Photo Gallery: Neptune Select images of the planet, with brief captions. http://nssdc.gsfc.nasa.gov/photo_gallery/photogallery-neptune.html

Neptune114 Its atmosphere, rings, moons, appearance, and links to related sites. http://neptune114.tripod.com

Neptune Concise introduction to this cold and distant planet, with numerous resources. http://www.harmsy.freeuk.com/neptune.html

Windows to the Universe: Neptune Overview of several aspects of the planet. Versions available for beginner, intermediate and advanced level users. http://www.windows.ucar.edu/tour/link=/neptune/neptune.html

Encarta Encyclopedia: Neptune Information on the planet Neptune. http://encarta.msn.com/encyclopedia_761577112/Neptune_(planet).html

Exploring the Planets: Neptune Information and photographs on the moons, atmosphere, and rings of planet Neptune http://www.nasm.si.edu/ceps/etp/neptune/

Science Paradise: Neptune Information on the History, Stats, Atmosphere, and Moons of Neptune. http://www.scienceparadise.com/astronomy/solarsystem/neptune

Treasure Trove: Uranus Basic introduction. http://scienceworld.wolfram.com/astronomy/Uranus.html