Science
Entire cities could fit inside the moon’s monstrous lava tubes – Space.com
Just don’t slice your spacesuit open on the cave wall.
Mars is pockmarked with absolutely massive lava tubes, with ceilings as high as the Empire State Building, new research shows. And the moon hosts even more gargantuan tubes, with heights that dwarf Dubai’s Burj Khalifa, the world’s tallest building, and “skylights” as big as football fields.
These yawning, subterranean caverns, which are shielded from punishing solar radiation, could be used as sites for future human bases, scientists argue.
A lava tube is a tunnel under a world’s surface, for…
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