COMETS

DEFINITION

Icy chunks of water and dust that originate in the outer Solar System. When they come near the Sun they vaporise, developing a bright tail.

REASONS TO VISIT

• See the frozen relics of the formation of the Solar System
• Visit the Kuiper belt or the Oort cloud, where these icy chunks wander through outer space
• Examine their composition to see if comets brought life to Earth

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