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。
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。
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。
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。
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。
The theory of the big bang gained widespread support in the scientific community after Arno Penzias and Robert Wilson discovered cosmic microwave background radiation in 1965.
阿尔诺·彭齐亚斯和罗伯特·威尔逊在1965年发现了宇宙微波背景辐射，这使得大爆炸理论在科学界获得了广泛支持。
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。
The South Pole Telescope, which began scientific observations in 2007, surveys the sky for cosmic microwave background radiation, the "afterglow" of the Big Bang.
南极望远镜2007年开始工作。它的作用是观察宇宙微波背景辐射，这是宇宙大爆炸的“余辉”。
These quasar jets are formed when electrons emitted from a black hole impact with cosmic background radiation left by the big bang, giving astronomers clues about the conditions in the early universe.
这些类星体的河外星系是由当黑洞所发射的电子与大爆炸所遗留下来的宇宙背景辐射碰撞后所形成的，它为天文学家提供了关于早期宇宙的线索。
Data from the Wilkinson microwave Anisotropy Probe (WMAP) can show the minute temperature changes created as the cosmic microwave background radiation moves through gases in galaxy clusters.
从威尔金森微波各向异性探测器(WMAP)得来的数据显示出，细微温度变化是在宇宙微波背景辐射移动通过银河星系团气体时产生的。
And Wilson and Penzias discovered the cosmic microwave background radiation, physical evidence for the Big Bang, while fiddling with an antenna designed to catch radio waves bouncing off satellites.
威尔逊和彭齐亚斯捕捉人造卫星上反弹回来的无线电波的天线时不经意地发现了宇宙微波背景辐射，而这正是宇宙大爆炸的物理性证据。
For most people more than half of their natural background radiation dose comes from radon, a radioactive gas that can accumulate in homes, schools and workplaces.
对大多数人来说，他们自然环境辐射剂量的一半以上来自氡—一种可聚集在家庭、学校和工作场所的放射性气体。
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 only reasonable interpretation is that this background is radiation left over from an early hot and dense state.
唯一合理的解释是这一情况是宇宙早期处于炎热而密度大的状态时遗留下来的辐射。
Background cosmic radiation levels in free space are ten times greater than the maximum acceptable levels for individuals who work in radiation environments on Earth.
太空环境下的宇宙射线辐射强度，超过地球上人体承受极限的十倍以上。
This is called natural background radiation.
这称为自然环境辐射。
The distance fromFermilab to Homestake is twice that to Soudan, and Homestake is alsotwice as deep, which means that background radiation would be extremelylow.
费米实验室到霍姆斯塔克的距离是到首丹的两倍，而霍姆斯塔克深度也是首丹的两倍，也就是说霍姆斯塔克本底辐射极为微弱。
These levels of natural and background radiation is normal.
但这些都只是正常辐射。
"Although we live bathed in a sea of background radiation, people treat any increment as a dire risk," he said by email.
“虽然我们生活在一个充满辐射的世界，但人们把任何辐射的增加当成致命的危险，”他通过电子邮件说到。
Radiation levels measured to date in other countries are far below the level of background radiation that most people are exposed to in every day circumstances.
其他国家迄今测量到的辐射程度，远低于大多数人每天都会受到的本底辐射水平。
It is an interesting fact that background radiation level in the power plant is lower than in the center of Moscow.
有意思的是，电厂里的本底辐射水平低于莫斯科中心的本底辐射水平。
Your thymus deteriorated because of the increase in background radiation caused when the two firmaments collapsed.
当两个天空倒塌时候，由于背景辐射的增加导致你们胸腺功能恶化。
But natural background radiation is more than 100,000 times the highest levels detected.
但其检测量大大高于自然本底辐射量一万倍。
But natural background radiation is more than 100, 000 times the highest levels detected.
但其检测量大大高于自然本底辐射量一万倍。
It was awarded for the discovery of the blackbody spectrum and anisotropy of the cosmic microwave background radiation which strongly supports the big bang theory of cosmology.
这个奖授予宇宙微波背景辐射的黑体谱形和各向异性的发现，强有力地支持了大爆炸宇宙学。
However, for a limited number of people living in known high background radiation areas of the world, doses can exceed 20 mSv per year.
然而对于数量不多的生活在全球已知高辐射环境地区的人们来说，每年的剂量可超过20 mSv。
"Although we live bathed in a sea of background radiation, people treat any increment as a dire risk, " he said by email.
“虽然我们生活在一个充满辐射的世界，但人们把任何辐射的增加当成致命的危险，”他通过电子邮件说到。
Recent observations on microwave background radiation and distribution of distant radio galaxies demonstrate that there exists dipole anisotropy in relation to the motion of the Earth.
近年来通过对“微波背景辐射”及遥远射电星系发出的射电波的观测表明，它们存在一与地球运动相关的各向异性。
Recent observations on microwave background radiation and distribution of distant radio galaxies demonstrate that there exists dipole anisotropy in relation to the motion of the Earth.
近年来通过对“微波背景辐射”及遥远射电星系发出的射电波的观测表明，它们存在一与地球运动相关的各向异性。
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