Earth’s History Timeline

By SilviaStoll
  • 13,800 BCE

    The Big Bang

    It took the universe 13.8 billion years to cool down.
  • 4977 BCE

    Planetary Accretion

    The solar system was formed after the big bang (4.977 billion years), the stardust that was created at the bang began forming planet and stars. e.i The sun, moon, and earth.
  • 4500 BCE

    Moon Formation

    The moon was formed out of the debris created after a collision between a smaller proto-Earth and another planetoid.
  • 4499 BCE

    Planetary Cooling

    The earth cooled after 4.5 billion years.
  • 3800 BCE

    End of Heavy Bombardment

    The end of the heavy bombardment occurred sometime between 4.5 to 3.8 billion years ago.