Until recently most astronomers believed that the space between the galaxies in our universe was a near-perfect vacuum.

直到最近，大多数天文学家都认为我们宇宙中星系之间的空间是近乎完美的真空。

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The cordless, hand-held tools we use in our homes, such as vacuum cleaners, flashlights, drills and saws came from the technology of these early space programs.

我们家中所使用的无线手提工具，比如真空吸尘器、手电筒、钻头和锯，都来自于早期太空项目里的技术。

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The Kibo module will expand work space on the station and allow astronauts to expose experiments to the vacuum of space.

希望号实验舱将扩展空间站的工作空间，并且让宇航员将实验曝露在真空空间中。

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The module called Kibo or "Hope" in Japanese will allow astronauts to conduct experiments that involve exposing materials to the vacuum of space.

VOA: standard.2009.07.16

But in the vacuum of space the tiny amount of air trapped between them would inflate to create a semi-rigid structure.

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The Vulcain engine as you know is ignited on the ground, but on Liberty it would need to ignite in the vacuum of space.

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Turner says it's hard enough for scientists to understand how the supposedly empty vacuum of space can be suffused with some form of cosmic energy.

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