Some Problems and Risk Factors That Are Encountered by Astronauts and Cosmonauts in Space
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Some Problems and Risk Factors That Are Encountered by Astronauts and Cosmonauts in Space

There are certain things that should be considered by the Astronauts and Cosmonauts upon going into the outer space. These are the risk that they might get encountered into the outer space upon their explorations. These risks could endanger them as far as their safety and health is concern.

There are certain things that should be considered by the Astronauts and Cosmonauts upon going into the outer space. These are the risk that they might get encountered into the outer space upon their explorations. These risks could endanger them as far as their safety and health is concern.

The weightlessness is among of the things to be considered. Usually we are affected with the gravity of the earth when we are in the force of the gravity. The force of the gravity or the pull of the earth is about 1g (g stands for gravity); this condition is different in the outer space. 

The humans in space are said to be lighter in weight such like the feathers. This condition is due to the state of zero gravity resulting to the weightlessness. In space you will drift around and it is hard to do your usual activities; such as even as simple as drinking water from a glass or eating the usual foods you eat. The water from the glass will not pour unto your mouth and the foods could drift out from your hands because of the absence of gravity.

Man in space deals with these problems by providing their cabins with lines. With these lines, humans can be able to pull their selves towards the direction they want to go. They are also trained to live in a weightless condition before going into space mission. Astronauts or Cosmonauts usually have their especial physical exercise in order for them to keep in good health, thus avoiding possible damage of the heart, the blood vessels as well as their muscles because of the weightlessness condition.

Another consideration is the space sickness. Due to the motion of the spacecraft there are tendency that humans inside it could suffer from so called space sickness.

Life support is also a thing to consider. There is no oxygen in the outer space making it hard or impossible to breathe, unlike in the earth’s environment. Due to this situation, scientist developed a life support system that will support breathing as well as comfort once in the outer space. The cabins where the human use to stay in space are pressurized. There are also light as well as comfortable space suits that are designed to make free movement on a space environment; an air-conditioning system also protects humans from the heat of the sun.

When they worked outside their cabins they have also their portable life support system, it’s like a back pack that could make them breathe outside their cabins for certain hours.

Another factor is the human’s food as well as water supply and the disposal of their waste. In order to deal with this, Astronauts and Cosmonauts use to have their foods undergone freeze-drying or dehydrating. Doing this allows the foods to be kept in a smaller space and kept at room temperature. Water is not a problem since it can be produce through the use of the fuels cells. The human waste is also kept and disposed after they land on Earth.

Another consideration is the exposure to harmful radiation. However they are protected by the space craft’s cabin’s thickness. The cabins are made with thick metals which protects humans from harmful radiations.

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Comments (1)

Gravity and weight are not the same thing, and so there are some mistakes in here. You wrote: "Usually we are affected with the gravity of the earth when we are beyond the force of the gravity." What do you mean by that? Are you suggesting that 1) astronauts in low Earth orbit (LEO) are "beyond" the force of gravity, and that 2) they we are affected when "beyond" the gravity of Earth? Next, you wrote "there is less or no gravitational force that could influence the human body’s weight." Further down, you refer to an "absence of gravity." This also is quite incorrect, since actually there is plenty of gravity in space. In fact, in low Earth orbit, though spacecraft and payload and crew inside are weightless, the gravitational force acting on them is nearly what it is at the Earth's surface. Weightlessness inside a spacecraft is the result of the absence of acceleration against the floor, due to the gravitational acceleration (this is what is measured as "g", not the gravitational force) being canceled by the spacecraft's speed around the Earth when in orbit, or due to the lack of acceleration from the spacecraft's engines.

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