The clear inference is that the universe is expanding.
显然结论是宇宙在扩大。
宇宙在膨胀。
Do you know why the universe is expanding?
你知道为什么宇宙膨胀吗？
Astronomers know that the universe is expanding.
天文学家认为宇宙正在扩大。
And redshift depends on just how the universe is expanding.
并且红移取决于宇宙如何膨胀。
Astronomers have known for some time that the universe is expanding.
天文学家们知道宇宙正在膨胀这个事实已经有一段时间。
Observations indicate that the universe is expanding at an ever increasing rate.
目前的观测表明宇宙正在加速膨胀。
This diagram illustrates two ways to measure how fast the universe is expanding.
这个插图说明测量宇宙如何膨胀的两种方法。
In 1997, astronomers discovered that the universe is expanding at ever faster speeds.
1997年，天文学家发现：整个宇宙正在以前所未有的速度加速膨胀。
The mechanism that makes this happen is related to the way the Universe is expanding.
这种情况发生的机制和宇宙膨胀的方式相关。
The belief that the universe is expanding has been proven and is no longer theoretical.
宇宙在不断扩张的观点已经得到证明，不再仅仅是理论了。
We know that the universe is expanding and cooling, so earlier on it was smaller and hotter.
我们知道，当今宇宙在膨胀和冷却，所以早期的时候，它是微小和高温的。
Then, a decade or so later, Edwin Hubble discovered that the universe is expanding after all.
之后的十年或者更迟一些，哈勃发现宇宙是在膨胀的。
You're one with the universe and the universe is expanding. So don't feel guilty about needing bigger pants!
你是宇宙的一份子。宇宙是在不断变化和拓展中的。所以不需要为你的肥胖而感到罪恶。
You are one with the universe and the universe is expanding. So don't feel guilty about needing bigger pants.
你是宇宙中的一员，这个宇宙正在膨胀。不要对需要更大的裤子有一种犯罪感。
If this is true, it could explain why time only moves forwards, and possibly why the universe is expanding so fast.
如果这是真的，那么就能够解释为什么时间总是向前流动，以及为什么宇宙会如此高速地膨胀。
The universe is expanding, being thrust apart by some mysterious "dark energy", minute traces of which pervade all space.
宇宙在一种神秘的“暗能量”的作用下，分崩离析，不断膨胀；这种暗能量虽然含量极微，却遍布宇宙各个角落。
Since the 1920s, scientists have known the universe is expanding, which means it must have started at a definite time in the past.
自20世纪20年代以来，科学家已经了解到宇宙正在澎张。这就是说宇宙一定是在过去的某一特定时候开始形成的。
This year's Nobel Prize winners were honored for, among other things, discovering that the universe is expanding at an accelerating pace;
今年的诺贝尔荣获者因为发现宇宙正以一定的加速度扩展；
They have studied several dozen exploding stars, called supernovae, and discovered that the Universe is expanding at an ever-accelerating rate.
他们研究了几十颗爆炸星(也被称为超新星)发现，宇宙的膨胀速度正在不断加快。
We know that the universe is expanding and cooling, so earlier on it was smaller and hotter. And we are studying the properties of small, hot things.
我们知道整个宇宙在不断扩张、持续变冷，早期的宇宙必定比较小、比较热，因此我们还研究，在研究小型热性物体。
In the same edition I notice a headline announcing that "the universe is expanding so fast it may burst" and underneath it is the photograph of a splitting headache.
在同一版上我还看到一条标题宣布“宇宙扩展太快，甚有可能爆炸”，标题底下的照片上是一个头痛欲裂的脑袋瓜，再下来是一篇关于珍珠的谈话，署名是特克拉。
U.S.-born scientists Saul Perlmutter, Brian Schmidt and Adam Riess won the physics prize on Tuesday for discovering that the universe is expanding at an accelerating pace.
美国（天体物理学家）萨尔·波尔马特、物理学家布莱恩·施密特以及亚当·里斯由于发现宇宙的不断膨胀获得2011年诺贝尔物理学奖。
Everything is shifting, because the universe is expanding. It's just easier to see Hydra's redshift because the farther a galaxy is from our own, the faster it is moving away.
在无数遥远的星系中，并非只有长蛇座才显示出红移现象，由于宇宙一直在膨胀，所有的东西都在移动，之所以能较容易地观察到长蛇座的红移，是因为星系距我们越远，其远离我们而去的速度就越快。
H0 is the Hubble constant, or parameter that indicates the rate at which the universe is expanding; and distance is the galaxy's distance from the one with which it's being compared.
其中，速度表示星系后退的速度，H0为哈勃常数，也即宇宙膨胀速率的参数，而距离指的是星系与相比较星系之间的距离。
Because the universe is expanding, measuring an object's redshift, and hence its velocity, allows astronomers to deduce its distance, because objects that are farther away are moving more quickly.
由于宇宙正处于膨胀过程中，通过测量一个天体的红移量并算出它的远离速度，天文学家就可以推测出它的距离。因为越远的天体远离速度就越快。
Thanks to dark energy-as the source of the acceleration is loosely labeled-the dynamics of our expanding universe can be reconciled with its modest mass content.
由于被大致认为作为加速源的暗能量的提出，我们膨胀的宇宙的动力学可以与它适度的物质含量相一致。
Thanks to dark energy-as the source of the acceleration is loosely labeled-the dynamics of our expanding universe can be reconciled with its modest mass content.
由于被大致认为作为加速源的暗能量的提出，我们膨胀的宇宙的动力学可以与它适度的物质含量相一致。
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