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Space travel in stasis is coming sooner than you think

Once again, the stuff of science fiction becomes reality. Deep space travel could take a number of years to reach a far off destination, and humans simply are not made for that type of travel. Aerospace company SpaceWorks, with funding from NASA’s Innovative Advanced Concepts program ,is developing a solution for that problem, according to Spectrum. Their first hurdle to jump is the relatively short 55-million-kilometer multi-month trip to Mars.

Imagine being confined to a space the size of a walk-in closet with three or four of your work colleagues for several months, conducting a mission, and climbing back into that same confined space for another several months with nothing new to occupy your time. If it sounds like the makings of a reality show that drives the contestants to murder each other, you probably are not far off. Astronaut interaction, boredom, and irritation one of the smaller problems facing astronauts who are brave enough to endure space travel. Think celestial cabin fever.

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The amount of resources required to transport six humans to Mars is surprising. NASA estimates a habitation module would need 380 cubic meters of volume, and would weigh in at 28,000 kilograms. Those six hungry astronauts would need 13,000 kg of food. That same group of astronauts in a state of stasis would require less space, less food, and ultimately result in a reduction of 140,000 kg of weight from smaller engines and less fuel consumption.

Stasis is simply defined as a state of “inactive, low metabolic torpor state for mission transit phases.” It is more similar to hibernation than something more sci-fi like cryo-sleep. The problem is that humans do not naturally hibernate, but they can be placed into a state similar to hibernation for several days. Hospitals do this all the time and call it therapeutic hypothermia. After a traumatic injury, a patient can be placed into a sedated hypothermia to give the body a few days to use all its energy to heal.

Astronauts in this state would receive nutrients intravenously, but intravenous feeding has been shown to cause problems over a long period. SpaceWorks still has some problems to work out, but the message to take away is that space travel in a state of stasis is closer to reality than thought previously.