Martian plan Elon musk: what the experts think of the planetary community?

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2017-06-25 11:30:08

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Martian plan Elon musk: what the experts think of the planetary community? Source:

Elon Musk, founder of SpaceX and Tesla, unveiled the new details of his vision to colonize parts of the Solar system, including Mars, Jupiter's moon Europe and Saturn's moon Enceladus. His ambitious plans — aims to make humanity mnogoletnim view of the case that civilization will fail, include flights to Mars as early as 2023.

Details , is extremely ambitious. But is it realistic? Experts in the field of planetary science working on the development of the Solar system and the new Mars Rover for the European space Agency, I find them incredible for several reasons. Further, in the first person.

First of all, let's not take away from the Mask that he was a visionary from Silicon valley. It was a huge success with the launch of rockets into space. The article offers some interesting ways to try to get to the Mars and beyond, and he wants to build "self-sustaining city" on the red planet.

The Idea is to make access to space much cheaper — in the document appears that the cost of trips to Mars should be lowered "five million percent." An important part of this will be a reusable space technologies. It's a great idea that Musk is already implementing with the help of impressive landings of rocket stages on Earth. And this, of course, a huge technological step.

The Production of fuel on Mars and beyond, too, is among the plans. This will help to reduce costs. Experiments in this area are in full swing and show that it is important to choose the right propellant. The MOXIE experiment, NASA Mars Rover 2020 will show whether we will be able to produce oxygen from atmospheric carbon dioxide on Mars. This may be possible. But Musk would also produce methane — it would be cheaper and reusable. Need complex reaction that engages a lot of energy.

Nevertheless, it is quite doable. But the plans are becoming more and more incredible. Musk wants to launch a huge spacecraft into Earth orbit, where they will refuel several times, using stairs, running with the Land, waiting to be delivered to Mars. Each of them has a capacity of 100 people, and Musk wants to launch 1,000 ships for 40 to 100 years, allowing millions of people to leave the Earth.

Also interplanetary filling stations should be on the bodies like Enceladus, Europe and even Titan, where they could be or still is life. The fuel will be produced and stored on these moons. The purpose of these stations is to allow us to travel deeper into space, to places such as the Kuiper belt and the Oort cloud.

Capsule "Red dragon" is proposed as a potential lander for such missions; it will use the propulsion system in combination with other technologies, not parachutes, as is done most often. Musk plans to test this landing on Mars in 2020 with an unmanned mission. But it is not clear how feasible, and the requirements for fuel is enormous.

the

the Sky is calling?

There are three important points that Musk deliberately or accidentally not concerned in the document. Missions like ExoMars Rover 2020, and plans to return samples to Earth will search for signs of life on Mars. And we have to wait for the results before you contaminate Mars with humans and their waste. On planetary bodies is subject to the rules of "planetary protection" that it is forbidden to pollute valuable for the science objects.

Another problem is that Musk rejects one of the main technical problems of the stay on the Martian surface temperature. Just two sentences, he concludes:

"it's a little chilly, but we can warm up. The atmosphere will be extremely useful, since it consists mainly of CO2 with a mixture of nitrogen and argon with other elements, so we will be able to grow plants on Mars just jamming atmosphere."

In fact, the temperature on Mars drops to 0 degrees during the day to -120 degrees at night. Work at such low temperatures is extremely difficult for small landers and Rovers. In fact, it is a problem which was solved with the help of heaters in project 300-kilogram ExoMars Rover 2020 — but the amount of capacity required is likely to be unavailable for "self-sustaining city."

Musk says nothing about how warm the planet or compress the atmosphere — and each of these problems represents a serious engineering challenge. Early science-fiction writers have suggested "terraforming" — possibly due to the melting ice sheets of the planet. This will not only forever change the environment, but also will cause difficulties, because on Mars there is no magnetic field, which can save a new atmosphere. Mars is losing its atmosphere already 3.8 billion years, and will be difficult to keep warmed atmosphere from leaking into space.

The main problem is that nothing is said about the rays outside the magnetic cocoon of the Earth. A journey to Mars and its participants are vulnerable to potentially fatal cosmic rays in our galaxy and solar flares. Forecasting solar flares is in its infancy. With the current technology of shielding, only one year manned mission to Mars will provide astronauts from a four-time safe levels of radiation. Can be harmed by the unmanned spacecraft. Yes, work is underway on the space weather forecasting and better protection. This would mitigate some problems, but we're far from that.

About the future of missions: questions also remain on the topic of temperature and radiation when using the Europe and Enceladus as petrol stations — and there are no engineering study for their evaluation. These satellites are bathed in a strong radiation belts of the Solar system. Moreover, doubt whether these great scientific purpose, which, perhaps life would be more likely than on Mars, as a "rocket depot."

Plans to move to the Kuiper belt and Oort cloud do not have reason, yet we do not create infrastructure. If Musk wants to create a new home for humans, the Moon might be his best choice — besides, it's much cheaper. However, the high targets mean that what we will achieve. Plans Mask can pave the way for further space exploration.

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