My vision is a future for humanity where we will be completely free to pursue activities outside of our planet. Franklin Chang Diaz More Quotes by Franklin Chang Diaz More Quotes From Franklin Chang Diaz For decades, people have known the chemical-propulsion approach to space travel is really not going to get us that far. Chemical propulsion is essentially like the horse-and-cart approach to the exploration of the American West, instead of the steamboat or the railroad. Franklin Chang Diaz future horse space
