No one doubts that carbon dioxide is a greenhouse gas, good at absorbing infra-red radiation.

没有人质疑二氧化碳是为温室气体，和其绝佳吸收红外线辐射的能力。

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Spitzer is tuned to pick up infra-red radiation—the sort of radiation emitted by dust that has been heated.

斯匹策红用来分离红外线，这是被加热过后的尘埃所放射出的一种射线。

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The researchers tested their new black material with near-infrared radiation, just beyond the red end of the visible spectrum.

研究人员们使用仅仅超出可见光谱红端的近红外辐射测试他们的新“黑材料”。

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Gas leaks, and the minuscule push provided by infra-red radiation from the crafts' electricity generators, were ruled out.

ECONOMIST: A space oddity

Even something too small to emit visible light will probably give off radio waves and infra-red radiation (Jupiter does).

ECONOMIST: X marks the spot

In a paper in this week's Nature, John Harries and his colleagues describe their analysis of the longwave infra-red radiation leaving the earth.

ECONOMIST: Climate change: Getting real | The