Hitting The Books: What Astronauts Can Learn From Nuclear Submariners
On Mars the atmospheric pressure is about 0.09 psi as a result of there’s hardly an environment; on the Moon, the atmospheric stress is actually zero. But once you’re underwater, you’ve air plus water weighing down on you. The strain will increase about 1 atmosphere for every ten meters of water depth. So, at a half mile, or 800 meters deep, the pressure is up to 80 atmospheres. Exterior the secure confines of the sub, you’d be crushed immediately. Submarines maintain constant strain by way of a double-hull system comprising an outer waterproof hull and an internal stress hull fabricated from tough steel or titanium. A complicated ballast system holding numerous quantities of air or water stabilizes hull compression.
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