Fission impossible

日期:2019-03-06 01:08:02 作者:庾贼 阅读:

By Ian Sample NASA is thinking about using nuclear boosters to lift rockets into orbit at a fraction of the cost of today’s all-chemical launchers. The agency hopes the public will be less resistant to nuclear-assisted rockets now that the Bush administration is considering a return to nuclear power. But anti-nuclear protesters claim nuclear launchers would make accidents much more damaging and accuse NASA of “playing Russian roulette”. NASA is keen to move away from conventional chemical rockets to lighter, more powerful propulsion systems. “We’ve taken chemical rockets pretty close to as far as we can,