Saturday, 10 November 2012

Natural Satellites

Natural satellite are the natural objects which orbit around planets. The Moon is the Earth's only natural satellite. All the planets in the Solar System have natural satellites except Mercury and Venus.

The asteroid belt
Besides the eight planets there is also an asteroid belt. The asteroid belt lies between the orbits of Mars and Jupiter. Asteroids are small pieces of rocks mixed with metals orbiting round the Sun. Asteroids vary in size. Some can be as small as dust particles while some can be a few hundred kilometers in diameter.

1 comment:

  1. Cikgu, terima kasih atas penerangan yang teliti.