Friday, 30 September 2011

The Solar System

What is the solar system?

The Solar System is made up of the Sun and the celestial objects that are bound to it by its gravity: the eight planets and five dwarf planets, their 173 known moons, and billions of small bodies, such as asteroids, icy kuiper belt objects, comets, meteoroids, and interplanetary dust.

Although the farthest planet is over four billion kilometers away from the earth, all eight planets can be seen in the night sky, using a telescope or binoculars - as long as you know where to look