r/interestingasfuck • u/howimetyourcakeshop • 10h ago

Our moon being formed.

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u/Rxckless92 7h ago

I'm rather uneducated about this stuff, but how do the scientist know for sure this is how it happened?

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u/JimTobin89 7h ago

This is actually quite easy to answer, Im surprised no one mentioned this.

When we went to the moon, the samples we brought back revealed that a lot of the material analyzed is made of the same stuff from the earth.

This theory formed as a result of that data.

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u/gatobacon 4h ago

But only 24% of the material is from earth. How do they know the rest came from a single planet called Theia?