The article was disappointingly lacking, but would radiation still not penetrate Mars crust to a certain degree? Having the terraforming capability and magnetic shield in place within a 4 year period per individual seems to be the constraints implied.
The article was disappointingly lacking, but would radiation still not penetrate Mars crust to a certain degree? Having the terraforming capability and magnetic shield in place within a 4 year period per individual seems to be the constraints implied.