Shulou(Shulou.com)11/24 Report--

CTOnews.com, June 4 (Xinhua) in recent years, there has been a lot of talk that humans will one day be able to live on Mars. Especially with the unremitting efforts of Elon Musk and others, this goal seems to be just around the corner. However, according to a new study, human survival on Mars may not be as easy as people think.

The study, conducted by a team from the University of California, Los Angeles, attempts to answer two key questions: the first is whether particle radiation poses a serious threat to human life; the second is whether the time spent on a mission to Mars can protect astronauts and spacecraft from radiation.

To answer these two questions, scientists used geophysical models of particle radiation and models of the effects of radiation on human passengers and spacecraft.

The good news is that their answers are "no" and "yes", respectively. According to scientists' calculations, the spacecraft should be able to provide adequate protection for astronauts on the way to and from Mars. However, if the ship's material is too thick, it will increase the amount of secondary radiation.

They also noted that this also depends to a large extent on the timing of the implementation of the task. The researchers claim that the best time to leave Earth is when solar activity is at its peak. This is because during the "solar maximum" period, the most dangerous particles are deflected, thus protecting astronauts from the most serious effects.

On the other hand, the bad news is that experts recommend that humans should not carry out any mission on Mars for more than four years. After this point in time, radiation levels will become unsafe, according to a study published in the journal Earth and Science Progress.

"our calculations clearly show that the best time for a Martian human space mission is during the maximum of the sun, because it can shield radiation from solar energy particles," the study said. Our simulations show that the increase in the shield causes the highest energy cosmic rays to produce more secondary radiation, increasing the dose and setting a limit on the duration of the mission. We estimate that a potential Mars mission should not last more than about four years. "

This study shows that space radiation poses strict restrictions and technical problems for human missions to Mars, but such missions are still feasible.

CTOnews.com attached research article address: click here to see.

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