yr7 Solar system

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  • Created by: Ellie
  • Created on: 22-04-12 14:49

The universe contains over 100 billion galaxies. A galaxy is a group of billions of stars. Our own galaxy is called the Milky Way, and it contains about 300 billion stars (300,000,000,000) and one of these is our Sun.

Planets and other objects go round the Sun, and these make up the solar system, with the Sun at the centre. The solar system contains different types of objects including:

  • a star - the Sun

  • planets, which go around the Sun

  • satellites, which go around planets

  • smaller objects such as asteroids and comets

The planets in order from the Sun

Mercury to Neptune

There are eight planets in the solar system. Starting with Mercury, which…


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