At one time or another, many of NASA's laboratories have studied solar sails.

某一段时间里，美国宇航局的许多实验室都在研究太阳帆。

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Solar sails are not the quickest way to travel through space, but they are cheap.

利用几组太阳帆并非实现太空旅行最快捷的方式，但是它们的造价低廉。

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That's the idea behind solar sails, which harness radiation for propulsion in space, for instance.

太空旅行计划促成这一想法的实现，比如利用太阳辐射产生推动力。

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If going farther afield, Manchester and colleagues have considered using ChipSats as solar sails.

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M2P2 has a few drawbacks compared with conventional solar sails.

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Similarly in 1992 the U.S. National Academy of Sciences (NAS) put forward the idea of launching 55, 000 "solar sails" into orbit around the Earth, each with an area of 100 square kilometers, the sails collectively producing the same effect as Early's single glass panel.

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