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Did Earth Have Two Moons 

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  #11  
Old 08-04-2011, 09:39 AM
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Re: Did Earth Have Two Moons

interesting

also:

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The rocks collected from the Moon are measured by radiometric dating techniques.

They range in age from about 3.16 billion years old for the basaltic samples derived from the lunar maria, up to about 4.5 billion years old for rocks derived from the highlands.

Based on the age dating technique of "crater counting," the youngest basaltic eruptions are believed to have occurred about 1.2 billion years ago, but scientists do not possess samples of these lavas. In contrast, the oldest ages of rocks from the Earth are between 3.8 and 4.28 billion years old.
so pieces of the moon are older than earth than.

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  #12  
Old 08-04-2011, 03:26 PM
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Re: Did Earth Have Two Moons

Awesome post

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  #13  
Old 08-06-2011, 01:00 AM
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Re: Did Earth Have Two Moons

very interesting

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