Radar evidence of accessible Moon cave conduit below Mare Tranquillitatis pit
Radar evidence of accessible Moon cave conduit below Mare Tranquillitatis pit

www.nature.com Radar evidence of an accessible cave conduit on the Moon below the Mare Tranquillitatis pit - Nature Astronomy
A void tens of metres in size below the Mare Tranquillitatis pit on the Moon is revealed by radar images from the Lunar Reconnaissance Orbiter. This finding implies that lava tubes or conduits are possibly common below lunar maria.
