State-of-the-art seismological techniques applied to Apollo-era data suggest our moon has a core similar to Earth's.
Uncovering details about the lunar core is critical for developing accurate models of the moon's formation. The data sheds light on the evolution of a lunar dynamo a natural process by which our moon may have generated and maintained its own strong magnetic field. The researchers used extensive data gathered during the Apollo-era moon missions. The Apollo Passive Seismic Experiment consisted of four seismometers deployed between 1969 and 1972, which recorded continuous lunar seismic activity until late-1977.
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