The cave inside Mare Tranquillitatis is located over 400 feet from the surface near the bottom of a steep slope lined with ...
Other researchers warn this particular cave could be difficult to enter and exit. “Getting into that pit requires descending 125 meters before you reach the floor, and the rim is a steep slope ...
But where? As I scurried down a frost-covered slope into the cave, I couldn’t shake the distinct feeling that I was stepping into the maw of a prehistoric beast. CAVE CRAWLOn hands and knees ...