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Computing & Simulation

LLNL research rewrites a chapter of the Moon’s early history

When Apollo 17 astronauts collected a small rock from the Moon more than 50 years ago, they had no way of knowing it would still be challenging scientists’ understanding of lunar history today. The fragment, known as sample 76535, formed nearly 50 kilometers underground but shows almost no signs of the violent shocks usually expected when deep rocks are blasted to the…