Project Daedalus ended in 1978 without a working prototype; but the project was a crucial experiment, which proved interstellar travel was not only possible but on the horizon.

Daedalus 项目于 1978 年结束，没有可用的原型；但该项目是一项至关重要的实验，它证明了星际旅行不仅是可能的，而且已经在地平线上。