Posted on Thursday, April 03, 2014
By Kadri

Scientists with Seth Jacobson from the Observatory of Cote d'Azur ran simulations to see how Earth, Venus, Mercury and Mars formed. The simulations showed a connection between the timing of  Earth's collision with a large planet-sized object, and the amount of extra mass Earth got from the collision.

The research shows that Moon formed around 95 million years (plus-minus 32 million years) after the formation of the Solar System. Making it around 4.4 billion years old.

The moon's age has been measured before using the lunar rock samples that Apollo missions brought back. They were dated using the radioactive method. Some of the ages agree with this research, other do not.

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