Weve Got To Go [back To The

Bravery Comes Along As A Gradual Accumulation Of Discipline.

I'm Sure That There Are Places In The Deserts In Australia That Could Be Similar To Where We Might Want To Go On Mars.

I Don't Think We're Going To Build A 50-person Spacecraft Or A 100-person Spacecraft.

In Mars, We've Been Given A Wonderful Set Of Moons Where We Can Send Continuous Numbers Of People.

Going To Mars Would Evolve Humankind Into A Two-planet Species.