How to settle Cislunar Space and our Lagrange Points (science video).
To travel to other planets, we will first have to build up are infrastructure closer to home, in orbit of Earth.
The best place to get all the mass for those space stations and rocket fuel depots is from the Moon, and this 30-minute-long science video examines the milestones humanity will need to reach to start lunar resource harvesting and building up space settlements.