Talk about your views on the topic of human beings "migrating to other planets".

The first thing to explain is that it is not "cannot", but "it cannot be done" at this stage.

Human survival requires five conditions:

1. Air (to put it bluntly, oxygen)

2. Water (H2O)

3. Food

4. Suitable temperature for survival

5. Solid surface

The last three problems are easy to solve. Food can be produced. The temperature only needs to be on a planet with a lower temperature and use energy to generate heat. There are actually many planets with solid surfaces.

But the first problem is not unsolvable. As long as there is water, oxygen can be produced by electrolyzing water, although the cost is higher.

Okay, here comes the key point - water!

If there is not a large amount of H2O on a planet, humans will not be able to survive on it for a long time.

But even if there is a lot of water, the cost problem is still something humans have to overcome.

Human beings have plans to land on Mars in 2020. They will first transport the conditions needed for survival from the Earth to Mars, then exploit the resources on Mars, build a Mars base step by step, and produce the materials needed for survival on their own until Finally, we can achieve the result of being self-sufficient on Mars. Only then can we talk about large-scale immigration.

It is estimated that if the matter of Mars immigration goes well, it will not be put on the agenda until 2070 at the earliest.