How does Elon Musk Propose to Colonize Mars? Stages of Populating the Red Planet

Exploring other planets is one of mankind’s most cherished dreams. At the very beginning of the space era enthusiasts were certain that in the 21st century our closest planets in the Solar System would be thoroughly explored. In reality, however, things proved to be much more complicated than expected, and so far apart from the Moon no human has set foot on the surface of any celestial body other than the Earth, of course. Many believe that manned flights will not pay, others doubt if they will be in demand. Still, there is a good chance of visiting other worlds. And it’s closer than may seem at first glance.