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  • Exhibition Text

    • Comets are kilometer-size snowballs made of ice and dust. Trillions of them live beyond the orbit of Neptune. When a comet enters the inner solar system, sunlight evaporates its icy surface and solar energy blows back bright tails of gas and dust, extending millions of kilometers across interplanetary space.

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  • For Educators

    • Topic: Astronomy

      Subtopic: Planets

      Keywords: Astrophysics, Solar system, Comets

      Audience: General

American Museum of Natural History

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