Can Mars become Earth?

Theoretically, it is feasible for Mars to turn into Earth, but the engineering difficulty far exceeds human beings' current capabilities.

Scientists have studied this issue and even coined an academic term called "Mars terraforming".

Among the four rocky planets in the solar system, Mars has an environment closest to that of Earth. Mercury and Venus are too hot for humans to land on. Mars has a thin atmosphere, the air pressure is 1% of the Earth's, and the local maximum temperature can even reach 35 degrees Celsius. Of course, the average temperature is still relatively low, only minus 63 degrees Celsius.

Therefore, if the planets are to be terraformed in the future, Mars will be the easiest one. Of course, easy is relative, and it is still impossible to achieve with the current level of human technology, but this does not prevent scientists from researching and discussing. The first is to increase the atmospheric pressure of Mars, which can be achieved by releasing a large amount of dry ice (solid carbon dioxide) frozen at the poles of Mars; the second is to make Mars humid, which can also be achieved by melting the ice frozen at the poles of Mars.