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汉语拼音：wēi bō bèi jǐng fú shè

从宇宙空间背景发出来的微波辐射。是温度近于276开的黑体辐射，习惯上称为3开背景辐射”。一般认为来自宇宙早期原始火球的残余辐射。是20世纪60年代天文学上的四大发现之一。

• See for yourself: Tune an old analog TV to an empty channel. Much of that "snow" is from the cosmic microwave background.

  自己看看：打开老式模拟电视，切换到一个空台，许多“雪花”就是宇宙微波背景辐射。

• For instance, consider how cosmologists used the microwave background to rule out a finite spherical geometry.

  举例来说，想想看宇宙学家是怎样藉著微波背景辐射的观测结果来剔除有限的球面几何的。

• But the groups who are critical of his work say that this is not what the cosmic microwave background is like.

  但批评他的工作的这几组人认为宇宙微波背景辐射并不是这样的。

• Photons of the CMB gain a small amount of energy when they pass through normal regions of space with matter, the researchers explained.

  宇宙微波背景辐射中的光子通过具有物质的普通太空区域时，会捕获少量的能量；

• The authors of these new papers are respected scientists who work with CMBR data on a daily basis.

  这些新论文的作者彭罗斯和古萨德扬是受人尊敬的科学家，每天从事着宇宙微波背景辐射数据。

• One of these satellites, Planck, will look at the cosmic microwave background, a snapshot taken a mere 380, 000 years after the Big Bang.

  其中一颗卫星Planck将观测宇宙微波背景辐射，将拍摄到大爆炸后仅仅过去380,000年时的相片。

• WMAP cannot detect these higher energy photons, so there should be a deficit of CMB photons around clusters.

  但WMAP却没能够发现这些高能量的光子，所以在宇宙微波背景辐射上那些星系的周围有些光子的亏损。

• Valentini says that hidden variables could provide a closer match with the observed CMB structure than standard quantum mechanics does.

  瓦伦蒂尼说隐变量理论可以比标准的量子力学更好地符合已观测到的宇宙微波背景辐射的结构。

• Fluctuations in the cosmic microwave background radiation probe the earliest moments of the universe.

  太空的微波背景辐射的涨落指示了宇宙最早期的信息。