background radiation

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However, measurements of the cosmic microwave background radiation temperature suggest that its structure may have some systematic order.
然而，对宇宙微波背景辐射温度的测量显示宇宙的结构也许有某种系统的规律。
Kashlinsky and colleagues first noticed the dark flow when studying the way gas in galaxy clusters interacts with the cosmic microwave background radiation.
卡什林斯基和同事们是在研究星系团气体与宇宙微波背景辐射之间相互作用时首次注意到黑暗流的。
These gases scatter light from the cosmic microwave background radiation as it passes through the clusters, similar to the way Earth's atmosphere can scatter starlight, making some stars twinkle.
当宇宙微波背景辐射通过星系团时，气体将其中光线散射开来，其方式类似于地球大气层散射星光而使一些星星貌似闪烁。

Any health effects from the more abundant and diverse background radiation would completely swamp anything from reactors.
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Feynman could have been as great as Einstein, Carver believes, but he operated in the background radiation of Bohr, the great intimidator.
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Dr. GERBER: It's approximately four times the natural radiation dose that we all receive annually in the Unites States, as a result from background radiation due to radon and other materials.
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radiation found naturally on earth that comes from some soil, rocks, etc., and from outer space

背景辐射
And finally introduces sources of Celestial gravitational waves which have been generally accepted by scientific so far and the related knowledge of microwave background radiation.
进而介绍了目前为止科学界普遍认可的天体引力波源以及微波背景辐射的相关知识。
辐射本底
基底辐射