For decades, human exploration of outer space has never stopped. One of the main goals of exploring space is to find other livable planets and realize interstellar immigration .
For humans, the earth is indeed a nearly perfect planet, but we should not be bound by the earth, and human civilization should not be just the earth civilization, but the universe civilization.
Moreover, in the distant future, the earth will become unsuitable for survival, and human beings must leave the earth before that to find a new home.
In the process of exploring outer space, astronomers have discovered many earth-like planets, but at present, Mars is still the best choice for interstellar immigration.
is located at the height of the universe. Mars is very close to the earth, with the shortest distance of only 55 million kilometers. However, even such a distance is quite far away for humans. Judging from the current rocket propulsion system, it takes about 6 months to travel one way, and then you need to stay on Mars for about 2 years before returning to Earth. The return time still takes 6 months.
In other words, the first manned landing on Mars will last for at least three years. During these three years, astronauts can only rely on themselves and will not have any supplies from the earth.
It can be foreseeable that for the first few batches of Mars pioneers, they will definitely encounter various difficulties and will definitely be very difficult. The construction of the Mars base requires several generations or even dozens of generations of human beings to work together before it can be completed. After the construction of the Mars base is completed, if you want to settle on Mars, you must let Mars heat up, because the average temperature on the Mars surface is only minus 55 degrees, which is not suitable for human survival at all.
. Letting a planet heat up is exactly what humans are good at. Humans have been doing this to the earth. They just need to build a large number of factories on Mars and then continuously emit carbon dioxide and other greenhouse gas . Emissions of greenhouse gases on Earth will be strictly controlled, but greenhouse gases such as carbon dioxide will become treasured on Mars.
However, if you want to heat up Mars, the whole process is very slow, and it will take at least hundreds of years to make a significant improvement.
Imagine Mars a hundred years later, the color gradually changes from red to blue, and large areas of water begin to flow on the surface, from a red planet to a beautiful planet with blue and green.
As humans continue to emit industrial gases on Mars, in addition to the temperature will rise, the atmospheric pressure will also rise little by little. People are more frequent and convenient outdoor activities, and do not need to wear special space suits, they only need to wear oxygen hoods.
The increase in the concentration of oxygen in the Martian atmosphere is even longer. Vegetation on Mars needs to start from the most basic, first of all, algae , then moss, grass plants, etc.
At the same time, through genetic engineering , humans can manipulate their genes, accelerate and improve people's adaptability on Mars, allowing people to move freely under relatively low air pressure. At the same time, people's skin has been genetically modified and can resist ultraviolet rays and other cosmic radiation, and in the end, even an oxygen mask is not required to be worn.
In the end, Mars settlers will form their own unique social and cultural characteristics, which may be completely different from today's Earth, and they will become the real Martian !
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