Topic: Moon cave discovered underneath Marius Hills
Posts: 1973 From: Registered: Aug 2001
posted 10-21-2017 09:05 PM
Japan's Selenological and Engineering Explorer probe discovered a 50 meter deep opening under the Marius Hills region using a radar system designed to peer underground. JAXA (Japanese Aerospace Exploration Agency) surmised that the chasm was 50 kilometers (31 miles) long by 100 meters wide, structurally sound, and filled with rocks that may contain water.
They theorize that it was carved by lava during volcanic activity 3.5 billion years ago.