Liputan6.com, California - It is no secret if Mars became the name of the main priority planets of some being studied by NASA. Moreover, the American space agency has found the water content contained in the surface of the Red Planet. Suddenly, speculation that Mars is worth living in humans was sticking out. True or false, surely or not, all remains a big question mark up to now. In fact, NASA is still trying to find a bright spot, whether it is true that the planet that has Phobos and Deimos moon will be inhabited by humans in the future.

Nevertheless, some researchers are optimistic that humans can live on Mars in the future. Various steps even prepared NASA so that later the process of human colonization on Mars can run smoothly. However, with all sorts of technological advances being sought, is Mars going to be a viable place for humans to replace Earth?

Although it is still unclear, some researchers reveal the possibility of humans to live on Mars is still very minimal. According to information reported Time, Thursday (26/10/2017), there are several reasons that cause Mars is impossible to live in. Most of the reasons come from the state, climate and ecosystem of the Red Planet itself. Here's the explanation.

1. Radiation
Mars described NASA researchers have high levels of radiation. There are two dangerous radiation contents on Mars, among them Solar Energetic Particles (SEPs) and Galactic Cosmic Rays (GCRs).

Both can bombard humans if they are not adequately supported by antiradiation devices while on Mars. Further disclosed, if humans inhabit Mars by spending about 180 days, then they will experience increased radiation as much as 15 times.

2. Temperature
Temperature became one of the great obstacles of humans to be perched on Mars. For information, the average temperature on Earth is about 57 degrees Fahrenheit (14 degrees Celsius). However, the average temperatures on Mars are at temperatures around -81 degrees Fahrenheit (-63 degrees Celsius) which becomes very unlikely temperatures that make humans able to survive without the help of sophisticated tools.

If humans survive in the Martian temperatures with the help of a tool that is so minimal for 68 days, then they will certainly die.

3. Atmosphere
In addition to the state of radiation and temperature, the atmosphere is also a matter of concern to researchers. For comparison the Earth's atmosphere layer is 100 times denser than the Martian atmosphere layer. The Earth's atmosphere layer is made up of 78 percent nitrogen, 21 percent oxygen and 1 percent of the gas pool.

Meanwhile, the Martian atmosphere has a carbon dioxide content of 96 percent which is very toxic to humans. The rest of the atmospheric layers contain argon gas, nitrogen, and other harmful gases.

4. Gravity
Although humans can outsmart the issue of gravity, this is still a consideration of the researchers. The rate of gravity on Mars is only 38 percent so it is still possible for humans to be able to walk on Mars. The consideration is that humans will be feared can not walk and move freely because it is limited by the level of gravity of the Red Planet.

While on Earth, the human body can accept the "One-G" gravity condition which is capable of moving its skeletal, muscular, cardiovascular well.

5. Space Germs (Bacteria Planet)
Mars is not Earth. What is clear, ecosystems and microbial creatures that exist in the Red Planet is very different when compared with Earth. The researchers suspect there is a space germs (planetary bacteria) that 'live' in the air of Mars.

Although not deeply investigated, this becomes one of the important issues. Given the events of Apollo astronauts who must be quarantined for 21 days for fear of contracting space germs after returning from the Moon.

6. Infrastructure
Although Mars has been revealed to have the possibility to grow plants, it is in fact still in doubt. Mars temperature humidity is still difficult to control. If the plants grown on Mars get the help of excess oxygen content, then the risk of a big explosion will occur. Unfortunately, there are still few who regard this as a serious matter.

7. Mental Condition
This is what the 'burden' of the astronauts if indeed they will be deployed to fly on Mars. Eight months' journey to Mars would certainly 'scramble' their mental state.

Therefore, mental astronauts should be trained to be resilient when in outer space. However, what if the future humans have to survive against all the impossibilities that exist on Mars? Certainly difficult. It is not easy to know each person that they have a good mental state when they want to go into space.

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