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					Planets

By John
 October 2009
                  Mercury
Mercury is:
  - the closest to the sun;
  - the hottest and it is too hot to support life;
  - it is grey in colour;
  - The planet which has the most extreme
     temperature in the solar system ranging from
     over 400 degs C during the day to -200 degs
     C at night.
                 Venus
Venus is:
 - the second closest to the sun;
 - purple in colour;
 - 5 and a half times bigger than Pluto;
 - one of the planets that does not have any
 moons.
                  Earth
Earth is:
 - the only planet to have life;
 - a planet that has one moon;
 - made up of 1/3 land and 2/3 water;
 - the only planet to have water.
                  Mars
Mars is:
 - red in colour ;
 - otherwise know as the red planet;
 - not as hot as Earth;
 - made up of an iron core which is
 2,900km in diameter.
                  Jupiter
Jupiter is:
  - the biggest planet;
  - orange in colour;
  - surrounded by 17 moons;
  - 62 times bigger than Pluto.
                 Saturn
Saturn is:
 - surrounded by rings which are not
     perfectly circular;
 - sixth planet from the sun;
 - second largest in the solar system;
 - the root of the English word Saturday;
 - the least dense of the planets : 75%
 Hydrogen and 25% Helium.
               Uranus
• Uranus is:
  - blue in colour;
  - the seventh planet from the sun;
  - the third largest by diameter;
  - made up of an atmosphere 83%
  Hydrogen, 15% Helium and 2% Methane;
  - a planet visited by Voyager 2 on
  24/01/1986.
                Neptune
Neptune is:
 - dark blue in colour;
 - 22 times bigger than Pluto;
 - a planet that has 8 moons.
            Other facts
- There are 62 moons in our solar system.

				
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