UHECRs tend to collide with photons of the cosmic microwave background—pervasive radiation that is a relic of the early universe.

UHECRs 往往会与宇宙微波背景中的光子相撞，这种辐射是早期宇宙的遗迹，无处不在。

This is the WMAP microwave background that we see.

这是我们通过WMAP探测器的微波背景下所看到的。

What could have caused a microwave background?

是什么能够造成这种微波背景？

But we couldn't do it as accurately as we can from the fluctuations in this microwave background.

但是，我们不能像利用微波背景辐射这般准确地做到这点。

And the prime evidence for dark energy doesn't come from the cosmic microwave background, either.

而暗能量的首要证据也并非来自宇宙微波背景。

While the microwave background supports both of these, it isn't the foundation of a house of CARDS.

虽然微波背景支持这两者的存在，但它并不是其理论根基。

That noise turned out to be the cosmic microwave background, the afterglow of the big bang fireball.

这一噪音最终被证实是宇宙背景微波，大爆炸的余辉。

This cosmic microwave background radiation, they said, represents the ancient afterglow of the big bang.

他们说，这宇宙微波背景幅射代表着宇宙大爆炸的余辉。

The cosmic microwave background is apparent as the grainy structure towards the top and bottom of the image.

在图像顶部和底部的颗粒状结构就是宇宙背景微波。

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。

The cosmic microwave background - called the CMB for short - also provides evidence to back up the Big Bang theory.

宇宙微波背景辐射(CMB)也为大爆炸理论提供了有力的线索。

The pattern of spots in the cosmic microwave background has a suspicious deficiency: there are surprisingly few big spots.

宇宙微波背景中斑点模式有着一个可疑的缺损，这就是几乎没有什么大的斑点。

The imprint in question is in the cosmic microwave background (CMB).this is a bath of radiation that fills the whole universe.

这个标记就在宇宙微波背景之中，就是充满整个宇宙的射线。

The imprint in question is in the cosmic microwave background (CMB). This is a bath of radiation that fills the whole universe.

这个标记就在宇宙微波背景之中，就是充满整个宇宙的射线。

The recent progress on observation and theory of the cosmic microwave background radiation(CBR) is presented in this paper.

介绍了有关宇宙微波背景辐射（CBR）观测和理论研究的最新进展。

We describe the basics of the cosmic microwave background radiation (CMB), and the physics of its anisotropy and polarization.

文章对微波背景辐射的各向异性、偏振及宇宙电离的历史给出了评述性介绍。

If two universes had collided, the researchers say, it would have left a circular pattern behind in the cosmic microwave background.

研究人员说，如果两个宇宙已经相撞过，就会在宇宙微波背景的辐射中留下圆形的图案。

These variations caused minute differences in the temperature of the early universe, which we can see in the cosmic microwave background.

这些变化导致早期宇宙的温度瞬间不同，这些我们能在宇宙的微波背景上看出来。

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。

Much of the progress has come through studies of the afterglow of the big bang, radiation known as the cosmic microwave background (CMB).

这一进展多半来自对大爆炸“余辉”——也就是为人所熟知的，名为“宇宙微波背景辐射”(CMB)的辐射能——的研究。

The ultimate goal of the project is to map the cosmic microwave background, the electromagnetic leftovers of the universe's violent beginning.

此项目的终极目标就是绘制出宇宙微波背景图，宇宙剧烈起源的电磁残留物。

If multiple universes exist, they may collide with each other and leave behind signs in the cosmic microwave background radiation, researchers say.

研究人员说，如果存在着多重宇宙，它们可能会相互碰撞，并在宇宙微波背景的辐射里留下痕迹。

Usually, gas clouds in space have been warmed to at least 2.7 kelvin by the cosmic microwave background, the relic radiation left over from the big bang.

通常太空中的气体云在大爆炸所遗留下的宇宙微波的背景的作用下至少要加热到2.7开尔文。

Other groups are looking for even earlier clues in the cosmic microwave background, the leftover radiation from the Big Bang about 13.7 billion years ago.

其他组织正在寻找在宇宙微波背景下甚至更早些的线索，137亿年前的宇宙大爆炸残留的辐射物。

The presence of dark energy has been independently backed up by measurements of the cosmic microwave background, the radiation left over from the big bang.

对宇宙微波背景，也就是宇宙大爆炸后散布于宇宙空间的微波辐射的测量已经证实了暗能量的存在。

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。

Dr Penrose, though, predicts another form of irregularity—great circles in the sky where the microwave background is slightly more uniform than it should be.

彭罗斯博士还预测了另一种不均匀性形态的存在---这就是宇宙“大圈”， “宇宙微波背景辐射”在“大圈”中略显均与性。

Mapping the cosmic microwave background is hard because the Milky Way itself shines quite brightly at these wavelengths, making the background hard to discern.

描绘宇宙微波背景辐射是很困难的，因为银河系本身在这些波长发射很多，使得背景辐射难以分离出来。

Brighter clusters-those with more hot gases-would be expected to have greater affects on the cosmic microwave background, and that's what the new study confirmed.

据期，含有更多热气的更明亮的星系团对于宇宙微波背景将有更大影响，而这正是新研究要证实的。