How the space station is kept free from Germs or sterile?

How the space station is kept free from Germs or sterile?
How the space station is kept free from Germs or sterile?
By 1998, the Russian space station Mir had been in orbit for 12 years, and over time it had frequent power outages, computer malfunctions, and temperature control systems malfunctioning had begun and then the people working on it began to examine the microbes in their environment.  
They were shocked to learn of the information that had come to light. The panels installed to inspect the space station were removed and dirty water was found behind them. Later analysis revealed that the water was full of bacteria and germs.
Even more disturbing was the fact that these bacteria and germs were eating the rubber cells around the windows of the space station, not only that, these creatures, which emit acidic substances, were also eating the electrical wires.
When any module of the Mir space station travels off the ground, engineers build it in completely clean rooms wearing protective masks and clothing. Unnecessary germs in the space station came to the station with astronauts at different times and thus these germs made their home in this laboratory located in space.
We have microbes in our bodies and in our lives:
From the bacteria in the stomach to the germs on the body, they eat the skin that falls. It is estimated that more than half of the cells in our body are not human.
Most microbes are extremely useful and help us digest food and protect against disease. Wherever we go, we take this life with us and adapt ourselves to living life after  even when it reaches space.
In today's world where people around the world are battling the corona virus, the interesting question is how to keep the space station free of harmful germs?
The experiment on the Mir space station made scientists wonder what other microbes were present on the space station that could damage the station. And even more, how can they endanger the astronauts there?
Scientists have discovered that there are 55 types of microscopic microbes on the International Space Station.
Despite the lack of gravity in space, these bacteria and microbes adapted to the conditions. According to Mosel Eichner of the University of Graz in Austria, they had as much antibiotic resistance as they had on the ground, but we found that the germs were accumulating on the surface of the metals.
The personnel on the International Space Station are responsible for controlling their population. Every week, astronauts are tasked with cleaning the surfaces inside the space station with disinfectant wipes and vacuum cleaners, hanging debris inside the station.
It is also important to keep the kitchen and exercise machines clean so that mold does not spread due to sweat.
Christoph Lasour of the European Space Agency says that in addition to cleaning, technology is also used to keep the air and water clean inside the station. Experience has shown that humans and microscopic microbes can coexist.
Now it is being considered what will happen when the human mission goes to Mars with its germs?
At the moment, everything sent to Mars is kept very clean. The European Space Agency's Mars Rover was built in the cleanest room in Britain. Engineers wore special underwear during the preparation, a special suit on the whole body, a mask on the face and gloves on the hands.
The Exo Mars rover, which will go on a mission later this year, aims to find life on Mars, so it's important that no living thing from Earth gets this substance on it. But when humans go to Mars, they themselves will not be completely sterile.It would be impossible to clean the astronauts' bodies of all kinds of germs, and if they did, it could be deadly.
In a place that is free from germs, how can care be taken to ensure that life on Earth does not contaminate Mars?
European Space Agency Planetary Protection Officer Gerhard Kamenk says astronauts wear space suits to keep them alive, but the suit also carries germs. The challenge is how to ensure that there are no human germs on the space suit.
Space agencies around the world will soon have their say on how to save Mars from damage during a human mission.
Even more disturbing is the fact that no life has come to Earth from Mars. A mission is underway to bring Martian soil and rocks to Earth, and it is possible that some of the specimens brought for analysis may have life. But now microbiologists are waiting for something else. Fifty years ago, 96 bags of human waste were left on the moon during the Apollo mission. NASA hopes that when humans return to the moon in the next decade, some of these bags will be returned to see if any of the bacteria in them are still alive. If they survived, scientists would learn more about the human microbiome.

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