It’s often better to flesh out technologies fully on Earth’s surface before they’re used in space. That is doubly true if that technology is part of the critical infrastructure keeping astronauts alive on the moon. It’s often better to flesh out technologies fully on Earth’s surface before they’re used in space. That is doubly true if that technology is part of the critical infrastructure keeping astronauts alive on the moon. Space Exploration Planetary Sciences Phys.org – latest science and technology news stories