Did we learn anything significant from the moon rocks brought back from the Apollo missions? - Quora
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Ancient Moon rock provides evidence of giant lunar impact 4.3 billion years ago - GeoSpace - AGU Blogosphere
![NASA Moon on Twitter: "What happened to all of those rocks that Apollo astronauts collected on the Moon and what did we learn from them? Turns out, a lot! Houston, We Have NASA Moon on Twitter: "What happened to all of those rocks that Apollo astronauts collected on the Moon and what did we learn from them? Turns out, a lot! Houston, We Have](https://pbs.twimg.com/media/DgJGTKFX4AAoHC9.jpg)
NASA Moon on Twitter: "What happened to all of those rocks that Apollo astronauts collected on the Moon and what did we learn from them? Turns out, a lot! Houston, We Have
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