-
4600 BCE
Formation of solar system and Earth
Mass rotated around a center and formed Earth -
4570 BCE
Core Formation
Gravity pulled heavy material such as, iron, towards the center forming the core. -
4400 BCE
Moon Formation
Mars-sized asteroid crashed into Earth forming the moon -
4100 BCE
Planetary Cooling
Earth cooled down -
3800 BCE
End of Heavy Bombardment
-
1000 BCE
Life
First sign of life