
Our solar system consists of nine planets. They revolve around the closest star, the sun.
Take a cyber-tour of the solar system at: http://www.seasky.org/sky3.html
Asteroids are mountains of rock and metal that are found between Mars and Jupiter. Meteoroids are smaller pieces of rock and dust that fly around the solar system.
Comets are chunks of rock and ice that orbit the Sun in elliptical
Paths.
For more information about comets, visit: Comet Introduction
Student Activity:
The solar system also consists of stars, asteroids, comets and moons. Space and everything else in it is called the universe.
For details about the formation of the solar system and factual information, be sure to check: Our Solar System.
For more information, check: Views of the Solar System.