Because there's no tap water in space. Whatever they want they have to bring with them the ability to recycle body waste reduces the amount of stuff they have to bring from Earth.
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Astronauts drink recycled urine because water is a limited resource in space. By recycling urine, astronauts can reclaim and purify water from their waste to ensure they have a sustainable supply of drinking water during their missions.
An astronaut's pee is recycled through a process called urine processing or water recovery. This involves filtering out impurities and chemicals, then treating the urine to make it safe for consumption. The purified water is then used for drinking, hygiene, and other purposes aboard the spacecraft.
Yes, on the International Space Station, astronauts recycle their urine into drinking water through a system called the Water Recovery System. The urine goes through a rigorous purification process to remove impurities before being consumed.
Astronauts on the space station use specially designed toilets that use suction to collect their urine and feces. They are then stored until they can be disposed of back on Earth or recycled into water for the station.
On the International Space Station, water from various sources such as urine, sweat, humidity, and even spacecraft operations like fuel cell reactions is collected and recycled. This water is then treated and purified through processes like filtration, distillation, and ion exchange to make it safe for consumption by astronauts. Recycling water in this manner is crucial for sustaining life in the closed environment of space.
Astronauts on the International Space Station recycle almost all of their water. Urine and sweat are collected and purified through a system called the Water Recovery and Management system. This system removes contaminants and recycles the water for consumption. Additionally, water is brought to the space station periodically by resupply missions.