Scientists have recreated the colossal impact that formed the South Pole-Aitken basin—the Moon's largest and oldest crater. According to a new study from ScienceDaily, the collision likely came from a large object with an iron core, striking at a low angle. The key discovery: that impact probably blasted material from deep inside the Moon's mantle to or near the surface. For future Artemis astronauts, this means some of the Moon's most pristine and least-accessible rocks could be within walking distance of landing sites.

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