Pushed only by an electronically driven "ion engine", Deep Space One is already over 100 million miles from Earth.

由电动离子发动机推动的“深空1号”已经到达距离地球一亿英里的地方。

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Dawn is able to perform the trick of moving from one asteroid to another thanks to its ion-rocket engines, pioneered on an earlier NASA mission called Deep Space one.

由于“黎明”号的离子火箭发动机是能够完成从一个小行星移动到另一个小行星上的技巧。曾早些时候，这种技巧在美国国家航空航天局被称作“深太空一号”任务中首次开创。

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Making the stuff of science fiction into reality, NASA engineers are testing solar sails — a unique propulsion technology that one day could enable deep space missions.

NASA的工程师将科幻小说中的素材变成了现实，他们正在检查太阳帆-这中独特的推进技术最终有一天会使深空任务成为可能。

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The series' title--taken from a late-70's ABC series on which the new one was loosely based--as well as its apocalyptic plot line and deep space locale probably scared off as many viewers as it attracted.

FORBES: The Upfronts

But with many laboratory tasks being automated, there should also be scope to begin new activities, and the partners believe one key role for the ISS going forward will be as a development platform for deep space exploration.

BBC: Manned flight around Moon considered