Jim Green, ex-NASA planetary science division director, recently explained how it would be possible to terraform Mars by warming as well as thickening its atmosphere by using a magnetic shield placed between the planet and the Sun. If successful, the magnetic shield would stop solar wind from hitting the Red Planet with radiation, thus preventing particles from escaping its already thin atmosphere.
NASA astrophysicist Hakeem Oluseyi supports Green’s idea and states that the specific location where this spacecraft has to be located is between Mars and the Sun, which would act as a makeshift umbrella for a planet. Since this is a brand new idea, it would be hard to convince the scientific community to perform any further research. Currently, the Martian atmosphere consists mainly of carbon dioxide, but is far too thin and cold to support liquid water, an essential ingredient for life. The pressure of the atmosphere is also less than one percent of the pressure of Earth’s atmosphere, which means any liquid water on the surface would quickly evaporate or freeze.
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Carbon dioxide (CO2) and water vapor (H2O) are the only greenhouse gases that are likely to be present on Mars in sufficient abundance to provide any significant greenhouse warming,” said Bruce Jakosky of the University of Colorado, Boulder, lead author of the study appearing in Nature Astronomy.