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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.

星球大战防御绻统的支持者们希望它不仅能保护一个遭受核攻击的国家，也希望它能成为使核攻击游不发生的足够威胁。

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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.

这艘无人航天器——灵感来源于20世纪70年代英国星际学会研究的核脉冲推进——理论上讲在发射后100年内抵达其目标恒星。

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But he got America to spend billions upon billions of dollars on weapons, on underground shelters that he believed could save most people in a nuclear attack and on Star Wars.

ECONOMIST: Edward Teller

When nuclear fusion uses up a star's fuel, in the central high-pressure stellar core where fusion occurs, the star will collapse fairly violently.

CNN: Why gamma-ray burst shocked scientists

Theory suggests that a certain type of giant, short-lived star can experience catastrophic collapse when the nuclear reactions at its core can no longer support its mass.

BBC: Telescope spies cataclysmic blast