Spacesuit: different types, design, weight and parts
The spacesuit is nothing but a garment. It is worn to keep a life of human comfortable in space and to protect the body from pressure, poisonous gases (more amount of hydrogen less amount helium is present in space) and to protect the body from extreme temperature.
Modern spacesuits are designed to make the astronaut feel comfortable (to minimise the effort required to bend the limbs) to resist the soft pressure garment’s nature to stiff against the vacuum and it has cool water pumping system to change the body temperature according to the environment.
It contains an oxygen supplying system and environmental control system.it is employed by itself to allow the free movement of the astronaut.
The Shuttle suit, including the life support system, weighs about 310 pounds. The suit itself weighs about 110 pounds. If an astronaut weighing 175 pounds wears the complete suit, the total weight is then about 485 pounds.
Types of space suits
Three types of spacesuits exist on different purposes.
Spacesuit during IVA (Intravehicular activity)
Spacesuit during EVA (Extravehicular activity)
Spacesuit during IEVA (Intra extravehicular activity)
Spacesuit during IVA
The spacesuit is worn inside the pressurised spacecraft which is lighter and comfortable.
Spacesuit during EVA (Extravehicular activity)
EVA suits, for example, the EMU (The Extravehicular Mobility Unit (EMU) is a free human spacesuit that provides environmental protection, mobility, life support, and communications for astronauts performing Extravehicular activity (EVA) in Earth orbit) , are used outside the spacecraft for repairing of ISS (Internationa space station) and for either planetary examination or spacewalks. They must protect the astronaut against all conditions of space, as well as it will give mobility and functionality.
Spacesuit during IEVA (Intra extravehicular activity)
IEVA suits are meant for use inside and outside the spacecraft, such as the Gemini G4C suit (The Gemini spacesuit is a spacesuit worn by American astronauts for launch, in-flight activities (including EVAs) and landing. It was designed by NASA). They incorporate the most shield from the harsh conditions of space, such as protection from micrometeorites (very small particles in interplanetary space) and extreme temperature change.
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