Movement Detected On The Moon Appears To Be Coming From The Apollo 17 Lander

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Movement Detected On The Moon Appears To Be Coming From The Apollo 17 Lander

The movements were not natural, and were "regular and repeating."

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In the 1970s, astronauts placed three seismometers on the lunar surface, to collect data between October 1976 and May 1977. A new study has looked at this seismograph data, discovering that some of the repeating tremors appear to be coming from the Apollo 17 lander.

When earthquakes occur on Earth, waves of energy are sent out in all directions. By measuring the tremors from several locations at the surface, scientists can create a map of the Earth's interior. Since rocks and liquids within the Earth are of different densities, the waves move through them at different speeds, allowing geologists to figure out what type of material the waves are going through. This is known as seismic tomography.

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