It's always cheaper to fly one way, even to Mars. Two scientists are suggesting that colonization of the Red Planet could happen faster and more economically if astronauts behave like the first settlers to come to North America - not expecting to go home.
It's always cheaper to fly one way, even to Mars. Two scientists are suggesting that colonization of the red planet could happen faster and more economically if astronauts behaved like the first settlers to come to North America _ not expecting to go home.
