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Apollo rocks hint at moon’s birth after collision on Earth

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Ever looked to the moon and felt a connection with it? Turns out the moon is partly made of Earth-stuff, borne out of a cataclysmic collision early in the planet’s history. But scientists haven’t been clear on the details of this dramatic birth, because many theories didn’t seem to fit with the chemical fingerprints left in lunar rock.

Now, in a study published in the journal Science, a team of German researchers say they’ve finally found clear signs in Apollo-era rock to support major theories about the moon’s creation story.

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