Scientists from NASA want to restore the magnetic field of Mars and make the planet habitable


2017-03-06 16:00:08




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Scientists from space Agency NASA proposed an ambitious but at the same time very bold plan, according to which Mars can be returned to its atmosphere and make the Red planet habitable for future generations of colonists from Earth. According to experts, creating a huge magnetic shield around Mars will help to protect it from exposure to solar winds and restore the planet's atmosphere. Terraforming its surface, in turn, will allow you to return to the water planet.

Maybe Mars now looks as cold and lifeless desert, but once the Red planet has a dense atmosphere which could support the presence on the surface of deep ocean waters. Moreover, Mars was once much warmer and, quite possibly, had a habitable climate.

Scientists believe that Mars lost almost all its atmosphere when its protective magnetic field disappeared billions of years ago. As a result, the solar wind – highly charged particles emitted by the Sun, literally began to tear the atmosphere of the red planet to pieces and continue to do so to this day.

A New NASA computer model suggests that there is a way to return to Mars a dense atmosphere. And this does not need to use nuclear bombing, as it was once proposed to make Elon Musk. Instead, the space Agency believes that addressing the issue could be the creation of artificial and sufficient powerful magnetic shield that will replace the lost Mars own magnetosphere, providing a chance to naturally restore its environment.

Presented at the last last week the event Planetary Science Vision 2050 Workshop presentation, the head of the Department of planetary research NASA Jim green said that the creation of "artificial magnetosphere" between Mars and the Sun can theoretically escape the Red planet, forming a protective field around her.

"It will allow to exclude the impact of a variety created by the solar wind erosive processes occurring in the ionosphere of the planet and the upper layer of the atmosphere, allowing it to accumulate power and eventually to reduce its temperature" — scientists explain.

Scientists understand that at first glance the idea may seem fantastic, but as an example, lead experiments to create a compact magnetosphere to protect astronauts and spacecraft from the effects of cosmic radiation. The researchers believe that similar technology but on a larger scale, can be used for magnetic shielding of Mars.

"Indeed there is a possibility that we can make the planet's magnetic field more reliable and to provide the necessary protection. However, you need to figure out a way to change the direction of the magnetic field, so that it was pointing in the direction of the solar wind," — said green at the presentation.

The Computer model showed that in the presence of magnetic shield loss of the Martian atmosphere will stop. To restore the level of the atmosphere and of atmospheric pressure, equal to half of the earth's indicators, can be had within just a few years. According to scientists, when the planet's atmosphere becomes denser, the surface temperature of Mars average will rise by about 4 degrees Celsius, which would be sufficient in order to are on the Northern advantage of the red planet's ice cap of frozen carbon dioxide has completely melted. When this happens, the carbon in the atmosphere can capture heat as it happens on the Ground, running processes greenhouse effects which will lead to melting of the Martian water-ice and return to the planet of liquid water in the form of rivers, lakes and even oceans.

If all goes as the researchers describe, in a few generations Mars will be able to regain their lost view of a potentially habitable planet.

"It's not exactly terraforming in the usual sense of the term, where the climate would be completely restored by artificial methods. This option would let nature alone to recover your balance, and it will happen according to the laws of natural physics as we know them", — says Greene.

A Team of researchers understands that their plan is now no more than hypothetical in nature, but the idea, in their opinion, it really seems interesting and feasible in the relatively near future. Scientists report that they are going to continue the study to obtain more accurate calculations about how long can be the process of natural recovery of the ecosystem of the red planet. If a concept proves its worth, it is still unknown how he will be able to change our perspective about the colonization of Mars in the future.

"the Return of the dense atmosphere on Mars will allow the planting and use on the planet more than major scientific and technical equipment, will provide significantly increased protection from cosmic and solar radiation will raise the possibility of production of oxygen on the planet and ensure its greenhouse effects, necessary for plant growth. And this is only some of the potential opportunities", — scientists explain.

"If this can be achieved, not postponing, the colonization of Mars will become a not so distant future."


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