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How do they prevent the glass of the astronaut suit to get misted over?
Wiki User
∙ 16y ago
The inside of space suits are temperature and pressure regulated.
Contrary to popular belief, the primary design problem of space suits is not keeping the astronaut warm, but rather cool. Conduction and convection do not occur in space, so the only way an astronaut can shed body heat is through a liquid coolant system that eventually radiates the heat away into space. Without the liquid cooling suit worn underneath the space suit, they would sweat to death in about 20 minutes.
Wiki User
∙ 16y ago
The helmet visor of an astronaut's suit is coated with an anti-fogging material to prevent it from misting over due to the moisture in the astronaut's breath. Additionally, the ventilation system inside the suit helps to circulate air and maintain the proper level of humidity to prevent fogging.
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