Writer Fuel: Planetary Scientists Find Huge Entrance to a Lunar Cavern
The Moon’s surface is pockmarked with more than 200 known pits where rocks and regolith collapsed into depths unknown. New research has found that one of those pits, in Mare Tranquillitatis, collapsed into a lava tube and made an underground cave conduit accessible from the lunar surface. “We found a sort of front door to … Read more
