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Planet

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Contents

Key Stage 2

Meaning

A Planet is a large object orbiting a Star.

About Planets

A planet is a large ball shaped object in space.
Planets can be rocky planets or gas giants.

There are 8 planets in The Solar System.

  • Mercury
  • Venus
  • Earth
  • Mars
  • Jupiter
  • Saturn
  • Uranus
  • Neptune


Examples

The Rocky Planets
Mercury is the closest planet to The Sun. Venus is the second closest planet to The Sun. Earth is the third planet from The Sun and is the only planet known to harbour life. Mars is the fourth planet from The Sun. It is very cold but we may send humans to live there soon.
The Gas Giant Planets
Jupiter is the fifth planet from The Sun and the largest planet in The Solar System. Saturn is the sixth planet form The Sun and has a large ring of dust and rocks orbiting it. Uranus is the seventh planet from The Sun. Neptune is the eighth planet from The Sun.

Planet Size Comparison


Key Stage 3

which has enough gravity to become round and enough gravity to clear its orbital path of other objects.