Risk Encounter by Man Into Space

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Humans had been sending missions to outer space. Astronauts and Cosmonauts are sent into space for scientific studies and other missions. Upon going into space, humans should consider some risk factors that could endanger one’s safety and health.

First is the weightlessness. Here on Earth, we are affected with gravity. We are pulled by the Earth’s force which has a strength of 1g (g stands for gravity). Humans in space fell lighter like a feather since the gravity there is zero. This condition is different from the condition in the surface of the Earth. In the space, you drift around, you cannot even drink liquids from the glass because it will not pour unto your mouth or you even cannot eat because the food will drift out from the hands.

To deal with these, the spacecraft cabins usually have lines that was set up so that humans inside can pull themselves towards the direction where they want to go.

Humans in space are also trained in living in a weightlessness condition. They also have their special exercises that will allow them to avoid from possible damage of their heart, blood vessels and muscles due to weightlessness condition. (printplace review)

The second factor is the space sickness. Astronauts and Cosmonauts could also be affected by space sickness. Space sickness apparently may be due to the motion of the spacecraft.

The third factor is the life support. Unlike in Earth, there is no oxygen in space, therefore humans cannot be able to take breath. There should be a life support systems for breathing and comfort. The scientist were able to developed this life support system called as the shirt-sleeve environment. The cabin where humans stay is space is pressurized. They also wear light and comfortable spacesuits which make them move freely in space environment. They are also protected from cold and heat of the sun, through the air-conditioning system.

They are also equipped with portable life support-system, a backpack; this will allow them to stay alive outside their cabin for certain hours. It will allow them to walk on space, perform experiments and repair damages outside their spaceships.

The backpack is also equipped with transmitters which allow them to communicate with each other or to the controllers on Earth.

The fourth factor is the supply of foods ,water as well as the disposal of waste. The foods of the crews is apace undergo in the process of freeze-drying of dehydrating. This will take the food into a little space and kept in plastic bags at room temperature which prevent the foods from spoiling. Water as well as electricity is produced through the use of the fuel cells. Waste in the form of liquids can be process using a purifying system and can be used again. However the solid waste are stored in plastic bags and disposed of after landing.

The fifth factor is the harmful radiation. Crews of the spacecraft may be exposed to the harmful radiations. They were protected by the thickness of the spacecraft’s cabin and of the metal from which the cabin is made of.

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