Living Encyclopedia

Comet

A “snowball” of ice and rock

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The story for kids

Boom! A little comet fell. Comets are made of ice and rock. A long, long time ago, they're the ones that brought water to the Earth.

Facts

  • Comets are made of ice, rock and dust.
  • When they get close to the Sun, they grow a long glowing tail.
  • Long, long ago comets brought water to Earth.

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