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Giant magnetic shield can make Mars habitable for Humans, say NASA Scientists

Red Planet once had a thick atmosphere necessary to maintain liquid water

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Red Planet Mars, VOA

US, Mar 6, 2017: Scientists at NASA have proposed that launching a giant magnetic shield into space to protect Mars from solar winds could give the Red Planet its atmosphere back and make it habitable for humans.

Mars now appears to be a cold desert world and it has no global magnetic field. The cold temperatures and thin atmosphere on the red Planet do not allow liquid water to exist at the surface for long. But it might not have been always so.

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Scientists believe that the Red Planet once had a thick atmosphere necessary to maintain liquid water, and a warmer, potentially habitable climate. It is the collapse of the protective magnetic field billions of years ago that eventually made Mars what it is today — cold and arid.

In a presentation at the Planetary Science Vision 2050 Workshop in Washington, DC last week, NASA scientists proposed that launching a giant magnetic shield into space between Mars and the Sun could help the Red Planet restore its atmosphere and make it suitable for humans to colonise in the future.

The US space agency thinks a powerful-enough magnetic shield launched into space could serve as a replacement for Mars’s own lost magnetosphere, ScienceAlert reported on Monday.

Launching an “artificial magnetosphere” into space between Mars and the Sun could hypothetically shield the Red Planet in the extended magnetotail that trails behind the protective field, NASA’s Planetary Science Division director Jim Green was quoted as saying.

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“This situation then eliminates many of the solar wind erosion processes that occur with the planet’s ionosphere and upper atmosphere allowing the Martian atmosphere to grow in pressure and temperature over time,” the researchers explained in an accompanying paper.

The researchers believe that the magnetic shield could help Mars regain some of its lost Earth-like habitability within the space of a couple of generations. (IANS)

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NASA Partnering with 10 Start-ups to Develop New Technologies For Space

"Industry is developing new technologies rapidly, using new tools and methods in software development and other areas,"

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NASA researchers have created the atmosphere of a super-hot planet outside our solar system, here on Earth. Pixabay

NASA is inviting applications from start-ups to take part in a three-month pilot programme to develop new technologies for space.

Applications will be accepted till April 7 and a total of 10 companies will be selected for the programme, the US space agency said.

The accelerator programme will focus on technologies that can be applied to space — including geospatial analytics, digital design coupled to advanced manufacturing, autonomous systems, applied Artificial Intelligence (AI) and Machine Learning (ML).

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NASA Administrator James Bridenstine delivers remarks as he tours the NASA Michoud Assembly Facility in New Orleans. VOA

“We want to assist these companies in developing their own technologies and becoming commercial successes. NASA will also benefit by collaborating with these companies,” said Tom Cwik, Manager of the Space Technology Office at Jet Propulsion Laboratory (JPL) in Pasadena, California.

Based in Los Angeles, the accelerator programme begins on July 15. After developing their concepts and business plans over a three-month period, the teams will then pitch their results to the NASA community, co-sponsors and private investors at a demo day in October, NASA said.

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“Industry is developing new technologies rapidly, using new tools and methods in software development and other areas,” said Cwik.

“It’s incumbent upon us to learn from developments in industry and contribute our vast expertise in technology as we prepare to use them in our future missions,” Cwik added. (IANS)