Why does Musk say that Mars immigrants have only one-way tickets? Expert: The earth may be destroyed by nuclear bombs.

According to recent American media reports, the prototype rocket SN 10 under development exploded again like many previous models, but this time SN 10 has achieved a smooth landing after launch and exploded after landing. This once again reminds people of the dangers of exploring space travel. Last year, elon musk made a surprising speech at a seminar. He said that the first batch of Martian immigrants only had "one-way tickets". After landing on Mars, they had to try their best to take root there and could not consider returning to Earth. Why did the first batch of Martian immigrants pay such a huge price?

Some basic reasons are not hard to imagine. After all, Mars is a dangerous place. Dr Jennifer Booth, a Martian scholar at the University of Arizona, said: "The key for the first group of Martian settlers to survive in the extremely dangerous environment of Mars is to balance our understanding of predictable events. Only limited water and a very thin atmosphere. Planning for many things can extend your life to a certain extent, but there will always be some thoughtless places. "

What exactly do you want to do? "First of all, find a shelter and seal it up, so as not to waste all your resources. Shelter can be a cave or underground, not necessarily the external environment. Mars is too cold, and there is radiation. If you are in a closed place, you can keep the air. " However, the realization of these technologies can only be verified on earth. If a part of Mars breaks down, the whole system will be out of balance.

In this case, there will be an out-of-control situation envisaged in the American science fiction movie Infinite Space. Due to hardware failure and too little sunshine, the air produced by plants in the living area of Mars has also decreased. Slowly, the air became more difficult to breathe, and eventually it was difficult for immigrants to survive. "Some key technologies have been put into use or are under development. For example, the long-term life support technology on the International Space Station is already recycling air and water. However, the living area of Mars needs to provide life support for the same people all the time.

However, even if the living area on Mars is the worst, can't humans establish a "scheduled flight" between the earth and Mars after the first batch of immigrants? In this way, in any case, many materials and rescue personnel can be supplemented. This explains why the United States is more keen to explore Mars than any other country in the world, that is, shortly after the invention and use of the atomic bomb in the last century, the United States assumed that the earth would be destroyed by the nuclear bomb. Dr. Booth said, "After the earth was destroyed by nuclear war, Mars provided a sustenance for the survival of civilization." Text /PY