Japanese Space Agency Discovers Massive Moon Cave
It’s a fixer-upper. Under the Marius Hills, volcanic domes on the lunar surface, lies a 31-mile-long cave that Japanese scientists hope could be suitable for a future moon base. The crevasse is thought to be a 3.5 billion-year-old lava tube with thick walls that could protect astronauts against radiation and extreme temperatures. The U.S., Russia, China and the EU are all ramping up plans for lunar bases, while Japan has a manned mission scheduled for 2030 and SpaceX hopes to land civilians on the moon in 2018.