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Planet Names

Solar System

The planet Earth on which we live is part of the solar system. The Sun is a star at the centre of the solar system, and eight planets and other bodies revolve around it. The eight planets, in order from the Sun, are:

This section looks at the origins, meaning and usage of their names.


Mercury, the fastest planet, named after the Roman messenger to the gods


Venus, the brightest planet, named after the Roman goddess of love and beauty


Earth, our own planet, named after the soil beneath our feet


Mars, the red planet, named after the Roman god of war


Jupiter, the largest planet, named after the Roman king of the gods


Saturn, thought by the Romans to be the slowest planet, named after their god of time


Uranus, named after the Greek god of the sky and father to Saturn


Neptune, a deep sea-blue colour, named after the Roman god of the sea

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