For space science, like nuclear science and all technology, has no conscience of its own.

空间科学，正如核科学以及其他技术，本身没有道德可言。

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But as new clues emerged, NASA scientists revised their theories about the amount of water, said Ed Weiler, NASA associate administrator for space science.

但是随着新线索的发现，NASA科学家们对水体总量的推测进行修正。NASA空间科学首席助理说。

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Architecture is the art and science of designing structures that organize and enclose space for practical and symbolic purposes.

建筑是一门设计建筑物的艺术和科学，为实用性和象征性的目的而组织和包围空间。

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"Booster ignition and lift off for space shuttle Discovery, taking the space station to full power for full science,"

VOA: standard.2009.03.15

The Endeavour mission includes plans for five space walks to install the Japanese science module and perform other tasks at the space station.

VOA: standard.2009.06.16

"Landing on Mars is very difficult, and it's harder on some parts of the planet than others, " says Dr Ed Weiler, associate administrator for space science at Nasa in Washington, DC.

BBC: Gusev crater (Nasa)

Indeed, when James Hansen, of NASA's Goddard Institute for Space Science, proclaimed in 1987 that "the warming has begun, " his colleagues, including many who took the threat seriously, declared his statement premature.

CNN: Hot Air In Kyoto

That committee called for space science to be given a far higher billing above and beyond that accorded to manned missions and space stations and resulted in a lot of cheap but effective scientific missions being launched.

ECONOMIST: Human spaceflight: Over the moon? | The