Economist Jason Murphy says that companies use customer satisfaction ratings because a shining display of star feedback has become the nuclear power sources of the modern economy.

Supporters of the Star Wars defense system hope that this would not only protect a nation against an actual nuclear attack, but would be enough of a threat to keep a nuclear war from ever happening.

The unmanned space vehicle — inspired by nuclear pulse propulsion studies by the British Interplanetary Society in the 1970s — will ideally reach its target star within 100 years after launch.