Archive for the 'telescopes' Category

Solar System

Monday, March 16th, 2009

The Solar System consists of the Sun and those celestial objects bound to it by gravity: the eight planets and five dwarf planets, their 173 known moonsand billions of small bodies. The small bodies include asteroids, icy Kuiper belt objects, comets, meteoroids, and interplanetary dust. The Moon is Earth’s only natural satellite and the fifth [...]