Scientists have discovered a tunnel beneath the Moon’s surface, potentially revolutionizing space exploration and long-term lunar habitation. These subterranean caves could offer vital protection for astronauts against the Moon’s harsh environment.
This breakthrough confirms decades of speculation about the presence of subsurface lunar caves. The newly identified tunnel is likely a lava tube and marks the first confirmed, accessible underground cave on the Moon.
The data was originally collected in 2010 during NASA’s Lunar Reconnaissance Orbiter (LRO) mission. However, it wasn’t until researchers re-analyzed the data using advanced signal processing techniques that they identified the “underground cave conduit.”
Wes Patterson of the Johns Hopkins Applied Physics Laboratory emphasized the significance of this research: “This study shows how lunar radar data can address key scientific and exploratory questions and highlights the importance of continued remote sensing of the Moon.” He stressed the ongoing value of the LRO mission and the need for future orbiter missions.
Lunar caves could provide critical shelter for astronauts against extreme temperature variations, cosmic and solar radiation, and the constant threat of meteorite impacts. Surface temperatures on the Moon can soar to 127 degrees Celsius in sunlight and plummet to -173 degrees Celsius in the dark, with radiation levels far exceeding those on Earth.
Space agencies are hopeful that these caves could be developed into safe habitats for lunar explorers. The newly discovered tunnel could be a prime location for a future lunar base, and the techniques used in this discovery may help identify additional caves.
The findings, detailed in the paper “Radar Evidence of an Accessible Cave Conduit below the Mare Tranquillitatis Pit,” have been published in Nature Astronomy.