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100,000 BCE
Primary Accretion Stage
Within the first 100,00 years of the Solar System, dust and rock are accreting to form clumps that continue to grow as they orbit the sun/ -
Period: 100,000 BCE to 10,000 BCE
Formation of Planets and Planetismals
Between the first 100,000 years to the first 10 million years, the clumps form into planetesimals for the terrestrial planets, while larger Gas Giants are beginning to form on the outskirts of the Solar System. -
Period: 10,000 BCE to 1000 BCE
Impact and Creation of the Major Planets
Between the first 10 Million to 100 Million Years, the terrestrial planets, gas giants, and ice giants are formed. A planet roughly the size of Mars hits Earth, causing a chunk of the Earth to separate from the main planet but stay in the Earth's orbit to become the moon. -
Period: 1000 BCE to 400 BCE
Late Accretion
From the first 100 Million to 600 Million years, objects begin to hit Earth, causing metals to land on the surface instead of sinking to the core. All of the impacts cause the Earth to heat up, creating the layers and core of the Earth. Heavier metals sink farther down, while lighter rock forms the surface. -
Period: 400 BCE to 200 BCE
Late Bombardment
[FYI sorry for the bad times I wanted to put them in proper order over proper time scale] From the first 600 Million to 800 Million years, the Earth comet bombardment carries on until it eventually dies down. These comets may have carried water that accumulated into vapor until the Earth cooled and oceans formed. Gas giants move in and clear debris before moving out again. -
Period: 200 BCE to 1 BCE
Earth Cools and Onward!
From the first 800 million years to past the 1 billion years mark, the Earth cools down and this causes Earth's magnetic fields. Tectonic plates form and Earth now has good enough characteristics for life to form. No more space bombardment.