Scientists don spacesuits to explore Hawaiian lava tubes as if they were on Mars

Imagine trying to pick up a pebble or scrape microbes off a cave wall in a bulky spacesuit with puffy gloves on, under a time constraint because you don't want to run out of oxygen. That's what the analog astronauts do daily at the HI-SEAS moonbase habitat in Hawaii as they prepare for future missions to the moon and Mars, says Michaela Musilova of the International MoonBase Alliance (IMA) and director of HI-SEAS, the Hawaii Space Exploration Analog and Simulation.

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