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What conditions do humans need to meet to move to the "Second Earth"?

Since human beings stepped out of the earth and looked into the more distant universe, their horizons were finally no longer limited. After seeing the depths of the universe, some new ideas appeared. After living on the earth for millions of years, it is inevitable that human beings will feel lonely. There are countless stars in this vast universe. Is there extraterrestrial life? If so, it means that these planets have the conditions for the birth of life. Can humans move here? These problems have puzzled scientists all the year round. For a long time, mankind has never stopped looking for the second earth. From the moon to Mars and then to Venus, one step at a time, they spent a lot of money and got nothing.

Judging from the current level of human science and technology, it is difficult to shuttle freely in outer space, because the environment in outer space is harsh, special materials are needed to build spacecraft, and the physical quality of astronauts is also very high. In the face of those exogalaxies that may be habitable, human beings can only wait and see from a distance. So humans really can only stop here? Obviously not, the fact is not as pessimistic as imagined. ? The second earth? Take the initiative to show up. If humans want to move here, they need to meet these two conditions!

Mars may become mankind's second home.

There is indeed a planet suitable for the birth of life in the universe, and it is Mars. When humans first landed on Mars, they found that the Martian environment was harsh, with not only high temperature, but also barren grass. Even if life was born, it might have been extinct long ago. So why do scientists come to the conclusion that Mars is suitable for human migration? It is mainly that some people have found water ice and other substances on Mars, which are necessary conditions for the birth of life.

Although the conditions for the birth of life have been found on Mars, a major transformation is needed before human beings immigrate to Mars. It will take at least a hundred years to transform Mars, because people have to wear thick spacesuits to land on Mars. Reforming Mars sounds incredible, but it is not impossible. Human beings must first do a good job in infrastructure construction, and it will take a long time to fly to Mars. If the spacecraft is exposed to the cosmic environment for a long time, it is a potential threat to astronauts.

Scientists have discovered fungi that feed on radiation for the first time.

A scientist once discovered a fungus that feeds on radiation. It is Cladosporium globosum, which can not only adapt to high radiation environment, but also convert radiation into energy for space use. Cultivate these fungi in the spaceship and eat all the radiation. Maybe humans can survive on Mars, and migration will not be a dream. Although moving to Mars is a long journey, scientists never give up.