NASA finds water ice on Mars, transforming the planet is on the agenda
Humans are expected to migrate to Mars

Although in the same solar system in the habitable zone, however, the climate of Mars and Earth, is a world of difference. The thin atmosphere allows the surface of Mars to receive too much space radiation, and at the same time, Mars is very cold and dry. Researchers say that, compared to the driest places on Earth, Mars is about 1000 times drier than on Earth.
Doesn't that look awful? But even with this Mars, there are still wonders up there. Some time ago, NASA's research found that in the plains of Mars' mid-latitudes, there is a surprising amount of water ice hidden underground, which means that in the future on Mars or provide abundant water resources for humans.
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NASA found a large amount of water ice on Mars
More than 40 years ago, the U.S. Mars rover has been on the surface of Mars to achieve a soft landing, the probe on Mars, but also for humans to discover a lot of ancient clues of Mars.
Let's say, as early as a few hundred years ago, some researchers have suggested that there may be water on Mars, only, because mankind until the middle and late last century, only to explore Mars up close, so the question has been left open.
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In the 1970s, NASA probes have found water vapor in the thin atmosphere of Mars, and also found the existence of water ice on Mars, and in the time into the 21st century, scientists have found that the ancient period of Mars, also once had a habitable period, these have made Mars more special.
Now, along with the in-depth study of Mars, scientists have found that under the dry surface of Mars, there are large areas of water ice, and from the number, the number of underground glaciers on Mars may reach thousands. However, as to whether these water ice can be used by humans in the future, further research is needed.
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Can humans directly use the water resources on Mars?
Researchers believe that although there is a large amount of water ice in the middle and low latitudes of Mars, as well as in the polar regions, however, relatively speaking, the water ice in the middle and low latitudes, is easier to obtain, because the temperature there will be relatively higher under the sunlight.
In addition to potentially supplying the resident population on Mars for daily drinking in the future, this water ice could also be used as raw material to help humans build energy resupply stations on Mars to go further afield.
At the same time, the massive underground glaciers on Mars have convinced researchers that Mars will be successfully transformed in the future and will bring the planet back to the habitable environment it was billions of years ago.
Can Mars really be transformed?
The difficulty of Mars' transformation is to have abundant liquid water on its surface, a suitable temperature, a thick atmosphere and a stable magnetic field, so that Mars can become a "second Earth".
Today, the presence of large amounts of water ice means that humans can melt the water ice through technological means to simulate primitive oceans on Mars.
However, because Mars does not have a magnetic field, so many people are not optimistic, after all, for the Earth, the magnetic field is the natural umbrella, is the key to determine whether the Earth's climate and environment is livable.
See here, some of you may wonder why Mars would have no magnetic field? Speaking of which, as early as 1997, NASA's rover has already discovered the disappearance of the magnetic field on Mars.
Generally speaking, on Mars, the relatively young Utopia Plain is left with a magnetic field record after being hit by meteorites, etc. However, the probe showed that there is no magnetic field record here, which also means that the magnetic field of Mars has disappeared as early as billions of years ago.
Modern scientific research believes that about 3.9 billion years ago, the magnetic field of Mars is still very stable, but because Mars is very small, which leads to when the giant asteroid and Mars collision, it will lead to the temperature of the mantle of Mars exceeds the temperature of the core, which leads to the core of the liquid iron can not be cooled and sink, and eventually can not form the Mars "engine " of convection, naturally, when the interior of Mars lost the power cycle, the magnetic field of Mars also disappeared.
The researchers said that through modeling analysis, the number of giant asteroids that caused the "death" of Mars 3.9 billion years ago is not one, but many, which also led to the original climate and environment of the mostly very habitable Mars began to back, thus becoming a "dead planet". This has led to the fact that Mars, which has a mostly pleasant climate, has become a "dead planet".
Therefore, humans want to make Mars completely into a second Earth, you need to reshape a Martian magnetic field, which is also one of the biggest difficulties in the process of Mars transformation.
From the current development of human science and technology, in the short term, humans are unable to make Mars have a stable and strong magnetic field, which also means that want to transform Mars and immigration to Mars, also need a long time, probably at least a thousand years, until then, humans still need to live on Earth, otherwise, it will be homeless.
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