Earth's Timeline

By Harrison T
  • Period: 500 BCE to 450 BCE

    Earth's Accretion

    The particles and materials that come to make up the Earth are gathering together and merging into one larger body.
  • 450 BCE

    Planetary Accretion

    The Earth begins as a mass of space dust that grows closer and closer together and eventually forms the earliest form of the Earth.
    4.56 Billion years ago
  • Period: 449 BCE to 401 BCE

    Late Heavy Bombardment

    The Earth is being bombarded by rocks and space stuff. Some of the space stuff contains water and other elements.
  • 445 BCE

    Moon is Formed

    The moon is formed by a large protoplanet crashing into Earth, with the ruble eventually becoming our moon.
    4.4 Billion years ago
  • Period: 400 BCE to 300 BCE

    Earth's Cooling and Core Forming

    During this time the surface of the Earth is cooling, and the crust of the Earth is slowly forming whilst the hot dense core is also forming in the center of the Earth.