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Living in this type of environment impacts the body in three important ways: loss of proprioception, changes in fluid distribution, and deterioration of the musculoskeletal system. On November 2, 2017, scientists reported that significant changes in the position and structure of the brain have been found in astronauts who have taken trips in ...
On 31 May 2013, NASA scientists reported that a possible human mission to Mars may involve a great radiation risk based on the amount of energetic particle radiation detected by the RAD on the Mars Science Laboratory while traveling from the Earth to Mars in 2011-2012. [15] [16] [17] [18]
A Mars return expedition may last two to three years [2] and may involve a crew of four to seven people, although shorter flyby missions of approximately 1 + 1 ⁄ 2 years with only two people have been proposed, [3] as well as one-way missions that include landing on Mars with no return trip planned.
Musk does have a plan for making Mars an attractive destination for long-term living: Terraforming, a hypothetical scenario in which humans make Mars more Earth-like by pumping gases into the ...
Colonization of Mars differs from the crewed Mars exploration missions currently pursued by public space agencies, as they aim to land humans for exploration. [6] [7]The terminology used to refer a potential human presence on Mars has been scrutinized since at least the 2010s, [4] with space colonization in general since the 1977, as by Carl Sagan, who preferred to refer to settlements in ...
A City on Mars is a counterbalance to the growing optimism over space exploration.
Precisely because Mars is an environment of great potential biological interest, it is possible that on Mars there are pathogens, organisms which, if transported to the terrestrial environment, might do enormous biological damage. [55] Later in Cosmos (1980) Carl Sagan wrote: Perhaps Martian samples can be safely returned to Earth.
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