The Moon is shrinking



According to a new research study, the Moon may be shrinking as it experiences lunar quakes, known as “moonquakes.” Researchers analyzed 28 moonquakes from 1969 to 1977 and came up with the startling observation that eight of the quakes came from “true tectonic activity — the movement of crustal plates,” as opposed to impacts from asteroids or rumblings inside the celestial satellite.

“We found that a number of the quakes recorded in the Apollo data happened very close to the faults seen in the [NASA’s Apollo and Lunar Reconnaissance Orbiter missions] LRO imagery,” Nicholas Schmerr, an assistant professor of geology at the University of Maryland, said in a statement.

“It’s quite likely that the faults are still active today. You don’t often get to see active tectonics anywhere but Earth, so it’s very exciting to think these faults may still be producing moonquakes.”

 

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