As for the unsafe oxygen levels, Landorp points out there are plenty of oxygen removal systems available and that are used in hospitals and militaries. All that is needed is more testing in space. Landorp also points out these systems will be tested for two years robotically before humans land.
In-situ resource utilization: Landorp acknowledges this requires more study, but says the robotic missions will be an important precursor for the human landings. Technologies needing to be developed will include nitrogen extraction from the Martian atmosphere. Oxygen production from water is well-studied in space, but water from the Martian surface through vaporizing water in the soil will require more work.
Another concern raised in media from time to time is where the money is coming from to fund Mars One. Landorp says right now funds are flowing from private investors. Mars One representatives are also in serious talks with a United Kingdom-based listed investment fund willing to finance the mission.
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Powered by. Go to mobile version. And you need all of these spare parts. Unlike the International Space Station, you can't have your crew eject and be back on the ground in a few hours if something critical is damaged. We didn't even analyze a couple of vital elements of the mission—like the communication, power, and landing systems—which are likely to also require new technological advancements.
Creating a breathable atmosphere on Mars is probably one of the easier problems to solve. But the issue we found in our study is that to fulfill the caloric requirements of the colonists, the Mars One team needs to grow at least four times the amount of plants they had planned.
Growing this amount of crops in the same [area where the crew lives and works] would result in excessive levels of oxygen that would pose a fire risk. Now, there are a couple of ways you might get around this issue. For example, on Earth, we have technologies that selectively remove oxygen from an atmosphere. These have never been used in spaceflight applications.
Or, you could plan to separate where your colonists live from where you grow your food. But what was really surprising is that, as far as we could find, this entire issue of needing to remove oxygen has never been mentioned in any of the Mars One plans. A lot of this goes back to the spare parts and resupply issue.
By the launch of the fifth crew, spare parts alone would make up 62 percent of your entire resupply requirement. Although Mars One claims that conducting a one-way mission is cheaper than conducting a return mission which sounds right, because you don't need to send your return vehicle with you , this is really far from the truth.
Over time, these lifecycle costs offset any savings you'd have in the first place.
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