-
46 BCE
Planetary Accretion
particles are pulled together into a massive object that pulls in more particles and bigger objects to become bigger and eventually form into a spherical planet. -
46 BCE
Formation of the Moon
After earth was hit by a large object about the size of mars the debris pulled its self together to form the moon. -
45 BCE
Core Formation
As the Earth was cooling the densest materials where pulled into the center of the Earth and the less dense material hardened around the those denser materials. -
44 BCE
Planetary Cooling
The Earth has cooled enough for the top layer of lava to harden into rock. -
38 BCE
End of Heavy Bombardment
The earth is no longer being constantly bombarded by comets and astroids.