The collection has been extracted from the interactive program "Welcome to the Planets" which was distributed on the Planetary Data System Educational CD-ROM Version 1.5 in December 1995.

Information about each planet and moon in our solar system with many pictures, discussion of the history of its discovery, exploration, and physical characteristics. ... one star, eight planets, and more

Almost two years after the International Astronomical Union (IAU) General Assembly introduced the category of dwarf planets, the IAU, as promised, has decided on a name for trans-neptunian...

Views of the Solar System presents a multimedia adventure unfolding the splendor of the Sun, planets, moons, comets and asteroids. ... Discover the latest scientific information, or study the history

The site of California and Carnegie program for extrasolar planet search. ... How our team finds planets; (167 so far) around nearby stars.

Space.com explains planets, the planets, planets solar system, nine planets and planets pictures ... All About the Planets

The inner planets, Mercury, Venus, Earth and Mars, are called the terrestrial or earthlike planets. They are rocky planets with metal cores which have solid surfaces.

Eight planets have been discovered in our solar system. Mercury, Venus, Earth, and Mars are the planets closest to the Sun. They are called the inner planets.

Name Distance from Sun (maximum) Diameter; (kilometers) Length of day Length of year ... Mercury 699,815,900 km 4,879.40 4222.6 hours 88 Earth days ... Almanac > Planets

All about the planets in our Solar System. ... The Planets (plus the Dwarf Planet Pluto) ... Our solar system consists of the sun, eight planets, moons, dwarf planets (or plutoids), an asteroid belt,