Curious Minute answer

What lunar phenomenon did seismometers deployed by Apollo astronauts detect?

The answer

Moonquakes

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Why it's right

Apollo seismic instruments recorded moonquakes, giving scientists clues about the Moon's internal structure.

Did you know?

The Apollo 11 seismometer gave scientists information about the Moon's internal structure. It was the first seismometer placed on the lunar surface.

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Sources: NASA