New analysis of Apollo Moon samples finally settles debate: « For decades, scientists have argued whether the Moon had a strong or weak magnetic field during its early history (3.5 - 4 billion years ago). Now a new analysis shows that both sides of the debate are effectively correct. »

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合并过程:用临时数组,双指针比较两个子数组元素,小的先放入

The US space agency also provided an update on the Artemis II mission, which will see four astronauts fly around the far side of the Moon and back to Earth.

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SAT (short for "satisfiability") is a logic problem that given a boolean formula, it asks whether the boolean formula has an assignment that makes the problem true. An example boolean formula is:

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