They are now exploring other options that would make human beings strong enough for the journey to Mars - something to stimulate muscle and bone growth in absence of gravity. Scientists have concluded that exercise alone, no matter how optimised, is not going to be enough. Volunteers spend 70 days lying down for research, with their heads tilted down six-degrees to best emulate space.Īnother physical problem is that of being strong enough on reaching Mars to explore space. One way is NASA's ongoing bed study which aims to observe and analyse the effects of fluid pressure on astronauts' eyes and optic nerves. How do scientists understand the long term effects of weightlessness, here on earth? Meanwhile, even as doctors work to overcome the psychological challenges of sending man to Mars, a team of doctors is also working to tackle one of the major physical challenges that astronauts would face - low gravity. The software is also important in recognising concentration - whether astronauts are tired, whether they have had enough sleep etc. One solution being tested by Dr Dinges is using the spacecraft's cameras to watch over astronauts.ĭr Dinges and his team are using new facial recognition software, and its success hinges on recognising telltale signs on the face which would betray what the mind is thinking, whether the astronauts are experiencing positive or negative feelings. If you become depressed on space flight, then you pose a risk to yourself and rest of flight, he explains. "Is a mission to Mars outdoor stuff or confinement?" asks Professor David Dinges of the Perelman School Of Medicine, University of Pennsylvania. The psychological wellbeing of the astronauts A mission to Mars would require new rockets on a new scale, a new way of surviving in space, and a new breed of astronauts. ![]() If astronauts are to survive months on a spacecraft, where the view out of their window never changes, systems must be put in place to safeguard their physical and psychological wellbeing.
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