| The Nine Planets: Overview, sections dedicated to each planet and the smaller bodies - with data, information and some pictures - glossary and appendices. |
| Views of the Solar System: Comprehensive multimedia tour with statistical data, detailed information, pictures and videos. Also includes educational resources. |
| A Planet Pursuit: Pictures, facts and general information on the nine planets. |
| Astromaterials Curation: Features Moon rocks, Mars meteorites, and space exposed materials at NASA's curation office. |
| Astronomy 161: The Solar System: Overview with historical background and basic astronomy concepts, details about planets, satellites, asteroids, comets and meteors. |
| Astronomy Today - Solar System: Fairly detailed information about our sun and its planets. |
| BBCi Space: Solar System: 3D tour including videos with audio and text information on the Sun and the bodies orbiting around it. (Shockwave and Realplayer required) |
| Computing Planetary Positions: A detailed online tutorial on how to compute planetary locations using math formulas. |
| Endless Boundaries: Information on the Sun, planets and moons. |
| Exploring the Planets: Sponsored by the National Air and Space Museum, contains many interesting facts about the planets, pictures, comparisons and a section dedicated to spacecraft. |
| Free Software for Planetary Science: Image processing browers for Mariner 6, 7, 9, 10, Venera 15/16, and Viking Orbiter. |
| Gazetteer of Planetary Nomenclature: Protocols for naming planetary features, by the Working Group for Planetary System Nomenclature of the International Astronomical Union. |
| Northeast Regional Planetary Data Center: Includes list of available image collections and how to obtain the data at the facility (no images are online). |
| Nova Celestia: Provides overview and original illustrations of elements. |
| Orrery: Solar System Simulator: A Java applet that simulates gravitating masses. Features a working model with motions and sizes of 70 planets and moons to scale. |
| Orrery: The Solar System in Action: A concise tour containing numerous educational resources, and support for Spacetech's Orrery application. |
| Planetary Cartography and Graphics by Ralph Aeschliman: Planetary maps and graphics of Mars, the Moon and Venus. |
| Planetary Fact Sheet: Table of essential measurements and facts regarding the nine planets with links to highly detailed summaries. |
| Planetary Science Institute: Research and educational institute with projects to study planets, asteroids, and comets. |
| Rotation of Sun and Planets: The rotation period of a large body circled by one or more satellites can be calculated theoretically. |
| SkyScopes: Information about planetary astronomy and space exploration and habitat. Online chat, message boards, and related links. Sells replicas and toys. |
| Smiley's Planet: Explore the solar system's planets. Includes pictures, descriptions, statistical information and a special section on the latest voyage to Mars. |
| Solar System Dynamics: Web-based resources accompanying the book Solar System Dynamics, by Carl D. Murray and Stanley F. Dermott. |
| Solar System Dynamics: Provides detailed information related to known bodies in orbit around the Sun. Ephemerides, physical parameters, Earth close-approaches, observer tools. |
| Solar System Ephemeris: Providing ephemeris of a variety of Sun orbiting bodies. |
| Solar System Exploration Home Page: The Solar System Exploration Home Page is part of NASA's Office of Space Science and describes NASA's program to explore the solar system. |
| Solar System Simulator: Shows the position of Venus, Earth and Mars at any date from 1900-2100. |
| Solar System Simulator: Online software that generates views of the bodies of our planetary system at any date from any artificial or natural point of observation. |
| Stardate Online: Guide to the Solar System: Contains an outline of the formation and evolution of planets, comets, asteroids, and of their features and exploration. |
| The Planetary Society: Our Solar System: Concise information about all planets, comets and asteroids. |
| The Solar Space Station: Facts, descriptions and pictures, with sections about the Sun, the planets and meteors and asteroids. |
| The Solar System: History of and basic facts about major solar system bodies. |
| The Solar System: Detailed guide to the sun and planetary system, asteroids, comets, meteor hits on Earth and the other planets. |
| The Solar System in Pictures: Quizzes and images about all the bodies of our planetary system. |
| Uranus, Neptune, and Pluto: Encyclopedia article about the outermost planets. |
| USGS Astrogeology Research Program: Features planetary imagery, research, GIS, mapping, and image processing software. The site provides information about the group and about the Solar System. |
| Virtual Solar System: Images, facts and quizzes about the nine planets. Also includes a scale model. |
| Welcome to the Planets: Select images from NASA's planetary exploration program. |
| Windows to the Universe: Aimed at portraying Earth and Space Sciences in a fun way. Includes information about space weather, global space physics and a real time movie of current solar activity. |
Classical
