Scientists Want A Magnetic Field Around Mars

    • TNN
    • Publish Date: Nov 24 2019 4:14PM
    • |
    • Updated Date: Nov 24 2019 4:14PM
Scientists Want A Magnetic Field Around Mars

 Polar gear can take care of the cold on Mars but you would still need a pressurised suit to walk around the Red Planet. It’s not so much a question of oxygen—which was recently found to increase by 30% above scientists’ expectations in spring and summer—but pressure.


When there is no atmosphere, or the atmospheric pressure is low, liquids boil well below their ‘normal’ boiling point. On an atmosphere-less Mars your blood will boil the moment you step out of your pressurised chamber.


Nasa scientists think they can fix that (they have run simulations). They say Mars had a dense atmosphere about 3.5 billion years ago, but then solar winds—gusts of charged particles travelling at 9 lakh to 27 lakh kilometres per hour—stripped it away. This did not happen on Earth because its magnetic field deflects the solar wind.

Although Mars has lost its atmosphere, its surface continuously releases gases. The idea is to create an enormous magnetic field

(1.6 times stronger than Earth’s) around it to let the Martian atmosphere grow back. As it grows, Mars will become warmer. When it’s 4 degrees Celsius warmer, carbon dioxide frozen on its northern polar cap will turn to gas and make the atmosphere thicker and even warmer. Then, water frozen on the polar cap will melt and form rivers and seas. We might finally have our Planet B.
 

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Vathsan SRI KANCHI MAHASWAMI VIDYA MANDIR

Good idea to make man walk on the red planet. It would be a great achievement and a huge leap for scientists who desire to research about Mars and we could easily access the history of the Red Planet.

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