Many scientists have long dreamed of building bases inside natural moon caves, where lunar explorers might sleep safely in inflatable homes, protected from the storms above. A year before the final moonwalk in 1972, a NASA researcher argued that vast tunnels lie beneath the lunar surface. Now, in a paper published this week, Japanese researchers say they’ve finally found proof of these tunnels.



It is very long — 31 miles, according to Japan’s Institute of Space and Astronautical Science. It must be ancient, and may be buried more than 300 feet below the surface. It might even contain ice or water. If the researchers are correct, it sounds just like what the old Apollo scientists and would-be colonists were looking for. “Their existence has not been confirmed until now,” Junichi Haruyama, one of the paper’s authors, told Agence France-Presse. And now that he knows the tunnel exists, he said, he looks forward to finding out what’s inside.

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Source: [H]ardOCP – Newly Discovered Moon Tunnel Could Be the Perfect Place for a Colony