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B.3.2.1.1. Allende hero

Allende (AMNH 4880)

Allende (AMNH 4880)

  • Exhibition Text

    • A treasure trove of CAIs

      This fragment of Allende contains two kinds of calcium-aluminum inclusions (CAIs): round and irregularly shaped. Round CAIs melted and resolidified at some point in their history. Irregularly shaped CAIs, however, never melted: they crystallized directly from the gas of the early solar nebula. The two tons of Allende recovered for study provided scientists with more and larger CAIs than all previously known meteorites combined.

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  • Collection Information

    • ALLENDE

      Fell February 8, 1969

      Chihuahua, Mexico                                                                                     

      CV3

      AMNH 4880

  • For Educators

    • Topic: Earth Science

      Subtopic: Meteorites

      Keywords: Astrogeology, Astrophysics, Chondrites (Meteorites)

      Audience: General

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