See also:

• Science: Astronomy: Extrasolar Planets  (40)
• Science: Astronomy: Software  (159)
• Science: Physics: Plasma: Space Plasmas  (21)
• Science: Technology: Space: Missions  (483)

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:  .

- Multimedia tour with statistical data, detailed information, pictures and videos. Also includes educational resources.

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.

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.

A Planet Pursuit: - Pictures, facts and general information on the nine planets.

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.




The Planetary Society: Our Solar System: - Concise information about all planets, comets and asteroids.

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.

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.

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.

The Solar System in Pictures: - Quizzes and images about all the bodies of our planetary system.

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.

Solar System Simulator: - Shows the position of Venus, Earth and Mars at any date from 1900-2100.

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.

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.

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.