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This topic is offered for information and comments about caves that may be available for protection from radiation on the Moon. It opens with a link to a report of research that appears to show a number of lava tube caves on the Moon.
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And here is a link to a report on discovery of lava tubes on the Moon...
https://www.msn.com/en-us/news/technolo … 9818&ei=43
The Associated Press
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Scientists have confirmed a cave on the moon that could be used to shelter future explorers
Story by MARCIA DUNN, AP Aerospace Writer • 5h • 2 min readFILE - A plane passes in front of the moon, Aug. 30, 2023, in Chicago. Scientists have confirmed a cave on the moon, not far from where Neil Armstrong and Buzz Aldrin landed 55 years ago this week, and suspect there are hundreds more that could house future astronauts. (AP Photo/Kiichiro Sato, file)
FILE - A plane passes in front of the moon, Aug. 30, 2023, in Chicago. Scientists have confirmed a cave on the moon, not far from where Neil Armstrong and Buzz Aldrin landed 55 years ago this week, and suspect there are hundreds more that could house future astronauts. (AP Photo/Kiichiro Sato, file)
© Provided by The Associated Press
CAPE CANAVERAL, Fla. (AP) — Scientists have confirmed a cave on the moon, not far from where Neil Armstrong and Buzz Aldrin landed 55 years ago, and suspect there are hundreds more that could house future astronauts.An Italian-led team reported Monday that there's evidence for a sizable cave accessible from the deepest known pit on the moon. It's located at the Sea of Tranquility, just 250 miles (400 kilometers) from Apollo 11's landing site.
The pit, like the more than 200 others discovered up there, was created by the collapse of a lava tube.
Researchers analyzed radar measurements by NASA's Lunar Reconnaissance Orbiter, and compared the results with lava tubes on Earth. Their findings appeared in the journal Nature Astronomy.
The radar data reveals only the initial part of the underground cavity, according to the scientists. They estimate it’s at least 130 feet (40 meters) wide and tens of yards (meters) long, probably more.“Lunar caves have remained a mystery for over 50 years. So it was exciting to be able to finally prove the existence" of one, Leonardo Carrer and Lorenzo Bruzzone of the University of Trento, wrote in an email.
Most of the pits seem to be located in the moon’s ancient lava plains, according to the scientists. There also could be some at the moon’s south pole, the planned location of NASA’s astronaut landings later this decade. Permanently shadowed craters there are believed to hold frozen water that could provide drinking water and rocket fuel.
During NASA’s Apollo program, 12 astronauts landed on the moon, beginning with Armstrong and Aldrin on July 20, 1969.
The findings suggest there could be hundreds of pits on the moon and thousands of lava tubes. Such places could serve as a natural shelter for astronauts, protecting them from cosmic rays and solar radiation as well as from micrometeorite strikes. Building habitats from scratch would be more time-consuming and challenging, even when factoring in the potential need of reinforcing the cave walls to prevent a collapse, the team said.
Rocks and other material inside these caves — unaltered by the harsh surface conditions over the eons — also can help scientists better understand how the moon evolved, especially involving its volcanic activity
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The Associated Press Health and Science Department receives support from the Howard Hughes Medical Institute’s Science and Educational Media Group
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Last edited by tahanson43206 (2024-07-15 15:17:44)
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Real underground cities.
https://youtu.be/C-UPTs0zMxc?si=2-5sfL69_6MWQozw
Underground will be where most people live when Mars is colonised.
"Plan and prepare for every possibility, and you will never act. It is nobler to have courage as we stumble into half the things we fear than to analyse every possible obstacle and begin nothing. Great things are achieved by embracing great dangers."
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For Calliban re #4
Thank you for the link to the video in the "Brilliant" series, about underground cities or underground extension of cities.
Submarines are a good example of well managed "underground" living spaces, or at least in the modern era they are reported to be so.
What I'm thinking about is the lighting, air quality and movement, and freedom of movement within the spaces.
There are probably many other factors that allow a space to be agreeable for living.
Having a good library to allow the mind to zoom out into the cosmos is probably a good idea.
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