Chris Hadfield, who flew to the International Space Station as part of the Canadian Space Agency, told Business Insider that making it to Mars is going to take technology that has yet to be conceived. Put simply, he doesn’t believe the new rockets being worked on by NASA, SpaceX, or Blue Origin have much chance of fulfilling their stated goals. “Personally, I don’t think any of those three rockets is taking people to Mars,” Hadfield said regarding the SpaceX Big Falcon Rocket, Blue Origin’s New Glenn, and NASA’s Space Launch System being constructed by Boeing. “I don’t think those are...