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45 BCE
Planetary Accretion
10 years is 1 billion years (?)
The Earth started forming about 4.6 billion years ago. As meteors collided with one another. -
Period: 45 BCE to 35 BCE
Planetary Cooling
10 years is 1 billion years -
44 BCE
Formation of the Moon
10 years is 1 billion years -
38 BCE
End of Heavy Bombardment
10 years is 1 billion years -
37 BCE
Core Formation
10 years