NASA Says That The Cool Idea Of Terraforming Mars Is Not Possible

Posted: Aug 6 2018, 12:06am CDT | by , in Latest Science News


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NASA Says Terraforming Mars is Not Possible
Credit: NASA

There is now no possibility of transforming the inhospitable Martian environment into a breathable one with available technology.

Space agencies and private companies have plans to send humans to Mars in the next few years and ultimately colonizing it. We already know that it is not easy for humans to survive on Mars for prolonged periods due to its extremely cold, dry and inhospitable conditions. Nevertheless, preparations are underway for such manned mission and companies are hoping to overcome monumental challenges in the way.

But the idea has started to look more like fantasy after latest NASA study. The study says that it is impossible to terraform Mars surface with current technology. Despite the discovery of water on Mars, colonizing Red Planet is nothing more than a bad idea.

At present, there is no evidence of favorable conditions that could support life on Mars. Although the current Martian atmosphere consists mostly of carbon dioxide, it is far too thin and cold to maintain liquid water, an essential ingredient for life. Mars atmosphere is unbreathable and provides little protection from the Sun's radiation.

Mars has no magnetic field. Because of that, it has lost so much of its potential greenhouse gases to space over billions of years that there is no possibility of transforming inhospitable atmosphere into a habitable environment with available technology. Greenhouse gases have a unique ability to trap heat and warm the climate.

“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 lead author Bruce Jakosky of the University of Colorado, Boulder.

"Our results suggest that there is not enough CO2 remaining on Mars to provide significant greenhouse warming where the gas to be put into the atmosphere; in addition, most of the CO2 gas is not accessible and could not be readily mobilized. As a result, terraforming Mars is not possible using present-day technology.”

A new study suggests that we shouldn't send humans to Mars until we know for sure whether life existed on the planet in the past. Researchers need more research to confirm it and it could take years to decades.

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<a href="/latest_stories/all/all/47" rel="author">Hira Bashir</a>
The latest discoveries in science are the passion of Hira Bashir (). With years of experience, she is able to spot the most interesting new achievements of scientists around the world and cover them in easy to understand reporting.




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