Planets

Additional Info

via Wikipedia
A planet is a celestial body orbiting a star or stellar remnant that is massive enough to be rounded by its own gravity, is not massive enough to cause thermonuclear fusion, and has cleared its neighbouring region of planetesimals.

On the Blogs

Videos

via YouTube
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Our Solar System - Size Of Planets and Stars to Scale

Web Search Results

  • The Nine Planets Solar System Tour

    Feb 1, 2009 ... Information about each planet and moon in our solar system with many pictures, discussion of the history of its discovery, exploration, ... nineplanets.org

  • Planet - Wikipedia, the free encyclopedia

    A planet (from Greek πλανήτης, alternative form of πλάνης "wanderer") is a celestial body orbiting a star or stellar remnant that is massive enough to be ... en.wikipedia.org

  • Planets - Zoom Astronomy

    All about the planets in our Solar System. The planets that orbit the sun are ( in order from the sun): Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, ... www.enchantedlearning.com

  • StarChild: The Planets and Dwarf Planets

    A planet is a large space object which revolves around a star. It also reflects that star's light. Eight planets have been discovered in our solar system. ... starchild.gsfc.nasa.gov