Humans will immigrate to aliens sooner or later, and of course there must be people who stick to the earth.
How hard is it to go to outer space? You can understand after watching the movie. Not difficult.
Although alien planets and outer space are dead places for humans! However, as long as we have water, oxygen and food, we can live well. Where there is water, there will be plants, where there will be plants, there will be oxygen (after all, there is light in outer space, and the sun can also be seen on Mars), and where there are plants, there will be food. The question is, how does the water come from? There are two involved in the film, one is the technology of taking water from the sand in the desert, and the other is the water condensed from the air. This method is suitable for Mars and space capsules. Although something went wrong halfway, the protagonist reached Mars with his insistence that he would rather die than give up.
The idea of having water, plants, oxygen and food is right. So, is it right to take water from sand and take water from air condensate? The key to taking water from the sand is that there is water in the sand, which can of course be "squeezed out"; the condensed water and natural dew also come from the same way, but there is also water in the air. If there is moisture in the air and soil of Mars, humans are easy to emigrate; and the moisture in the space capsule, as I understand it, depends on the "water cycle", which means that all the escaped moisture is collected. In the film, because of mistakes, the water was contaminated, so he gave up taking water from the soil. The protagonist in turn used plants to cover plastic film and put it in the air conditioner to fetch water. In fact, like "air pineapple (a kind of plant)", plants that do not need soil or water and get water from the air directly through the stomata on the leaves can be used.
So, from this point of view, "Login to Mars" is more realistic than "The Martian". Without water, potatoes will not work. Water is more important than potatoes. And the spirit is the same, the key is to endure loneliness and persevere to the end. To put it bluntly, although the journey is long, as long as you overcome loneliness, it is just flying and flying for a long time, like being on a boat, in a submarine, and not always on the ground. There are many discomforts to get used to. 17.11.11
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