NASA: The moon shrinks like a grape, producing "moon tremors"



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The moon's interior is gradually cooling down, which makes it slowly regress as a grape and causes "moon tremors," NASA said this week.

He has become "slimmer" at about 150 feet over the past several hundred million years, which has led him to develop "wrinkles," NASA said in an article published Monday. The agency compared the narrowing to a grape that shriveled into a grape.

"Just like a grape shrinks and shrinks to a grape, the moon wrinkles as it contracts," NASA said.

"Unlike the supple skin of a grape, the Moon's surface crust is fragile, and it breaks as the Moon narrows, forming" thrust faults "that push part of the crust onto a crust. neighbor, "adds the text.

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Astronaut James Irwin makes a military salute next to the American flag during the Apollo 15 mission on the moon in 1971.
Reuters

These faults are also "likely to produce moonshares" that can be as strong as a magnitude 5 earthquake on the Richter scale, said Thomas Watters, a senior scientist at the National Museum of the air and space of the Smithsonian, according to NASA.

Raised crusts are typically tens of meters high and extend for a few kilometers, NASA said. The photo below shows the Lee-Lincoln fault escarpment, which is about 80 meters tall, as we saw when landing on the Apollo 17 moon in 1972.

NASA / Goddard / SVS / Ernie Wright via YouTube

NASA Monday also announced additional funding of $ 1.6 billion, given by the administration of President Donald Trump, to send the next man and the first woman to the moon by 2024.

The mission is called Artemis after the twin sister of the Greek god Apollo, who gave his name to NASA for its iconic program of manned spaceflight.

Trump confirmed the news in a monday tweet, claiming that his administration "restores NASA's greatness" and that "we can go back to space dramatically!"

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