Earth's History MD

By McKenna.daley
  • 4600 BCE

    Planetary Accretion

    Planetary Accretion
    Solid materials collide with each other and pulled together other particles under the influence of gravity to form Earth
  • 4500 BCE

    Formation of the moon

    Formation of the moon
    The giant-impact hypnosis says the moon formed from the ejecta of a collion between earth and a planetesimal about the size of Mars.
  • 4100 BCE

    Planetary Cooling

    Planetary Cooling
    Earth is stable enough to have rocky terrain, clouds, and enough rainwater to form oceans.
  • 3800 BCE

    End of Heavy Bombardment

    End of Heavy Bombardment
    From 4.5 to 3.8 billion years ago, failed planets and smaller asteroids slammed into the earth.
  • 1250 BCE

    Core Formation

    Core Formation
    The earth's core formed with heavy elements colliding and binding together with dense material being pulled to the center. The solid inner core is surrounded by a molten iron outer core.