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The Big Bang

By ajabbott0221

  • The Big Bang

    The Big Bang
    13.8 billion years ago the universe began as a tiny, hot, dense point which rapidly expanded.

  • Basic Elements Form

    Basic Elements Form
    3 seconds after the big bang, basic elements (H, He) nuclei form

  • Matter Era

    Matter Era
    300,000 years after the big bang, matter finally emerges in the form of hydrogen and helium atoms.

  • First Stars & Galaxies

    First Stars & Galaxies
    300 million years after the Big Bang, the H and He gas condensed and formed the first stars.

  • Our Sun Forms

    Our Sun Forms
    9 billion years after the Big Bang (4.8 billion years ago) our star formed.

  • Radiation Era

    Radiation Era
    10,000 years after the big bang, most of the universe was radiation- raw energy.

  • Earth Forms

    Earth Forms
    8.3 billion years after the Big Bang our little planet formed. (4.5 Ba)

  • Earliest Life

    Earliest Life
    10 billion years after the Big Bang the first microscope life formed.