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Formation and evolution of the universe

Formation and Evolution of the Universe

Formation and Evolution of the Universe

  • Exhibition Text

    • Our Milky Way Galaxy was once thought to comprise the entire known universe. Today our universe encompasses many billions of galaxies, and its history can be recounted back to its earliest moments.

      Our universe began with an explosion of space itself - the Big Bang. Starting from extremely high density and temperature, space expanded, the universe cooled, and the simplest elements formed. Gravity gradually drew matter together to form the first stars and the first galaxies. Galaxies collected into groups, clusters, and superclusters. Some stars died in supernova explosions, whose chemical remnants seeded new generations of stars and enabled the formation of rocky planets. On at least one such planet, life evolved to consciousness. And it wonders, “Where did I come from?”

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  • For Educators

    • Topic: Astronomy

      Subtopic: Universe

      Keywords: Big Bang Theory, Galaxies, Gravitation, Life--Origin, Milky Way, Stars, Universe--Origin

      Audience: General

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