Jupiter

NSSDC Photo Gallery: Jupiter - Select images of the planet from various space probes.
http://nssdc.gsfc.nasa.gov/photo_gallery/photogallery-jupiter.html

Windows to the Universe: Jupiter - Overview of several aspects of the Jovian science. Versions available for beginner, intermediate and advanced level users.
http://www.windows.ucar.edu/cgi-bin/tour_def/jupiter/jupiter.html

The Planet Jupiter - Pictures and quizzes about the planet and its moons.
http://www.the-planet-jupiter.com/

Welcome to the Planets: Jupiter - Includes a planetary profile with statistics and pictures.
http://pds.jpl.nasa.gov/planets/welcome/jupiter.htm

Jupiter - its history - Offers encyclopedia like description of the planet and related science.
http://homepage.ntlworld.com/heather.hobden1/Jupiter.htm

Solar System Exploration: Jupiter - General features and data about the planet and its satellites.
http://solarsystem.nasa.gov/planets/profile.cfm?Object=Jupiter

Comet Shoemaker-Levy Collision with Jupiter - Extensive coverage of the event July 1994. Includes observations, reports, 1444 images, news releases and links.
http://www2.jpl.nasa.gov/sl9/

Astronomy 161: The Planet Jupiter - General features and some pictures.
http://csep10.phys.utk.edu/astr161/lect/jupiter/jupiter.html

Planetary Ring Node: Jupiter's Ring System - Information, animations, images and references.
http://ringmaster.arc.nasa.gov/jupiter/jupiter.html

The Nine Planets: Jupiter - General information, some statistical data and links.
http://www.nineplanets.org/jupiter.html

JPL: Comet Shoemaker-Levy 9 Collision - Reports, news, links and images taken from spacecraft and ground based observations.
http://www.jpl.nasa.gov/sl9/

Views of the Solar System: Jupiter - Views, animations, general information and data of the planet and its satellites.
http://www.solarviews.com/eng/jupiter.htm

NSSDC: Comet Shoemaker-Levy 9 Collision - General information, reports and pictures of the event taken from many observatories.
http://nssdc.gsfc.nasa.gov/planetary/comet.html