Visor
In space and astronautical engineering, a visor is a protective shield that covers the face of an astronaut's helmet. The visor is designed to protect the astronaut's eyes and face from harmful radiation, micrometeoroids, and other debris that may be present in space. Visors are typically made of polycarbonate or other high-strength materials that can withstand the harsh conditions of space. They may also be coated with special materials to reduce glare and improve visibility. Visors are an essential component of a spacesuit and are critical to the safety and well-being of astronauts during spacewalks and other extravehicular activities.
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