What are the difficulties in emigrating to Mars?

Financial problems, survival problems, technical problems.

The question of money. According to the current level of human science and technology, it is very difficult to send people to Mars. Even if there is, they will fly for at least half a year. During this half-year journey, astronauts also need to live. Survival problem. Assuming that the funds are in place, humans really sent some staff to Mars. But these people need to live on Mars for a long time and have long-term housing problems. Due to technical problems, after sending the staff to Mars, they will never come back. This is a long-term test for the staff, both psychologically and physically.

Mars (English: Mars; Latin: Mathis; ; Astronomical symbol: ♂) is the fourth closest planet to the sun, the second asteroid in the solar system after mercury, and one of the four major terrestrial planets in the solar system. Mars was called "Mars" in ancient Europe, "God of War" in ancient Roman mythology and "Red Planet". In ancient China, it shone like a fire.