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Moon Earth Space Science

Why the Moon's New Birthday Means the Earth Is Older Than We Thought 98

Posted by timothy
from the just-measure-the-depth-of-the-mold dept.
Daniel_Stuckey (2647775) writes You're likely familiar with the theory of how the Moon formed: a stray body smashed into our young Earth, heating the planet and flinging debris into its orbit. That debris coalesced and formed the Moon. The impact theory still holds, but a team of geochemists from the University of Lorraine in Nancy, France has refined the date, finding that the Moon is about 60 million years older than we thought. As it turns out, that also means the Earth is 60 million years older than previously thought, which is a particularly cool finding considering just how hard it is to estimate the age of our planet.
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Why the Moon's New Birthday Means the Earth Is Older Than We Thought

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