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NASA keeping track of two British explorers in Antarctica collecting info on survival on Mars

Monday, December 20th 2021 - 09:31 UTC
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Explorers Justin Packshaw,57 and Jamie Facer Childs, 37 are on an 80-day trek across the southernmost continent as part of the Chasing the Light mission Explorers Justin Packshaw,57 and Jamie Facer Childs, 37 are on an 80-day trek across the southernmost continent as part of the Chasing the Light mission

The US space agency NASA is tracking two British explorers on a 3,650 kilometers journey across Antarctica to learn more about humanity's ability to survive on Mars. Explorers Justin Packshaw,57, and Jamie Facer Childs, 37 are on an 80-day trek across the southernmost continent as part of the Chasing the Light mission — a grueling expedition that could give a better understanding of the psychological and physical impact of other worlds on the human body and mind.

According to an article published in LiveScience, the men are braving freezing temperatures and katabatic winds up to the recorded maximum of 320 km/h as they make their way across the continent — first as they complete the 2,159 km leg from the port of Novolazarevskaya to the geographic South Pole, and later as they travel the remaining 1,490 km past Hercules Inlet to Union Glacier Camp.

“Much like the extreme conditions found on planets in our solar system, Antarctica has a [harsh] environment that is useful for a range of human and biological research,” according to the Chasing the Light mission website. “Justin and Jamie's mission will allow scientists to observe a rare scientific story of human adaptability, which will ultimately contribute to ... human centered space exploration.”

NASA, the European Space Agency (ESA) and Stanford University are collecting data from wearable smart devices as the men walk and ski their way south. Outside of kites that make use of favorable winds to pull them along, the men are making the journey without any mechanical assistance. They are also towing two 200 kilogram sleds that not only carry their food and equipment, but also samples of their blood, saliva, urine and feces taken across the trek.

NASA is also testing the explorers' ability to estimate distance visually, which can often be unreliable when humans are placed in an alien environment. A famous example comes from the 1971 Apollo 14 mission. While walking across the moon collecting rock samples, astronauts Alan Shepard and Edgar Mitchell set their sights on visiting a distant crater, but decided to turn back after estimating that it was more than a mile away. In fact, the two were only 15.24 meters from the crater's rim.

The men have also been tasked with obtaining key environmental data, including ice levels, radiation and wind speed. As satellites don't orbit directly above the South Pole, the measurements the two take will fill in a “satellite data gap” and could provide important insights into climate change, according to the Chasing the Light mission.

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