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The Solar System
Comet Hale-Bopp Triton The Flap Over Pluto New Uranian Moons Discovered A Richter Scale for Close Encounter Asteroids Caliban and Sycorax Ultraviolet Death May Follow Asteroid Devastation…An Image of the Solar System
An image of the solar system More about Pluto's demotionFormation of the Solar System
Our solar system consists of one star (the Sun), eight planets and all their moons, three dwarf planets, and several thousand small solar system objects—…The Search for Life in the Solar System
by Tim Porter While generations of cloned mice and asteroids the size of Texas dominate science in popular culture today, a NASA probe is quietly studying one of the most interesting objects in…New Planets and a Larger Solar System
More planets? by Chris Frantz A view of the new solar system, thanks to The International Astronomical Union/Martin Kornmesser Related Links Basic Planetary DataThe Solar…solar system
(Encyclopedia) CE5 Solar system CE5 solar system, the sun and the surrounding planets, natural satellites, dwarf planets, asteroids, meteoroids, and comets that are bound by its gravity. The…planetary system
(Encyclopedia) planetary system, a star and all the celestial bodies bound to it by gravity, especially planets and their natural satellites. Until the last decade of the 20th cent., the only…Copernican system
(Encyclopedia) Copernican system, first modern European theory of planetary motion that was heliocentric, i.e., that placed the sun motionless at the center of the solar system with all the planets,…