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The Solar System

The Moon and Satellites.

What is a Satellite?

Anything that orbits around something else
is called a satellite.
The Earth is a satellite of the Sun.
The Moon is a satellite of the Earth.

Satellites are classified as natural or artificial.
Natural satellites are ones which exist
without people doing anything.
Artificial satellites have been
built by people and launched into orbit.

What is a Moon?

A natural satellite of a planet is called a moon.
The Earth's natural satellite is called the Moon.
Some other planets also have moons
(see Mars, Jupiter, Saturn, Neptune and Pluto).

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