然而暗能量是什么，仍然是个谜。
但是，暗能量却是一个未知的未知。
这些神秘物质称为暗物质与暗能量。
These mysterious substances are called dark energy and dark matter.
什么是暗物质，暗能量，重力？
暗能量依旧是一个更加令人却步的问题。
大体上，暗能量在与引力展开一场拉锯战。
Dark energy basically works against gravity in a tug-of-war.
造成这种现象的就是科学家们所说的暗能量。
Scientists call the culprit behind this accelerationdark energy.
探究暗能量的本质是自然科学最大的难题之一。
Understanding the nature of dark energy is one of the biggest problems in science.
而暗能量的首要证据也并非来自宇宙微波背景。
And the prime evidence for dark energy doesn't come from the cosmic microwave background, either.
暗能量大概要比暗物质更让人无头绪。
Dark energy is possibly even more baffling than dark matter.
暗能量是一种神秘的力量，它加速了宇宙的膨胀。
Dark energy is a mysterious force that speeds up the expansion of the Universe.
我们唯一知道的是宇宙的四分之三由暗能量所组成。
What is known is that dark energy constitutes about three quarters of the Universe.
但是这个假设却在暗能量的例子中留下了一点瑕疵。
But that assumption leaves a little daylight in the new case for dark energy.
同样引人入胜的是暗物质有可能与暗能量相互影响。
An equally intriguing possibility is that dark matter interacts with dark energy.
更惊人的是，测量显示暗能量占宇宙物质的74%。
Even more surprising, measurements show that dark energy accounts for about 74 percent of the substance of the universe.
最可能的原因就是：诸如暗能量等神秘的宇宙作用力。
The most likely reason: a mysterious cosmic force known as dark energy.
缺乏对暗能量的完善解释似乎并未浇熄科学家的热情。
The lack of a good explanation for dark energy hasn't seemed to dampen scientists' enthusiasm for it.
暗能量是一种神秘的力，它使得我们的宇宙加速膨胀。
Dark energy is the name given to whatever mysterious force is causing the universe to accelerate as it expands.
而事实上，物质、能量和暗能量在时空中都会产生弯曲。
Matter, energy and dark energy all produce curvature in space-time, however.
爱因斯坦认为存在一个宇宙常数来填补现在暗能量的位置。
Einstein proposed the existence of something he called the cosmological constant, to fulfil the role now assigned to dark energy.
对暗能量分布的认知告诉天文学家宇宙将继续无限制地变大。
Knowing the distribution of dark energy tells astronomers that the Universe will continue to get bigger indefinitely.
神秘的暗能量充满在宇宙中，把其他物质挤向两边。
It's a mysterious entity that fills the universe and pushes things apart.
这一发现可能能够对于解释宇宙中更奇异的存在——暗能量有所帮助。
The finding may help shed light on an even more bizarre aspect of the universe? Dark energy.
另外的大约四分之三是“暗能量”，它产生了促使宇宙不断膨胀的力量。
Around three-quarters is "dark energy", which creates a force that is speeding up the expansion of the universe.
暗能量应该有很多，最新的判断结果是：宇宙的70%都由暗能量构成。
And there seems to be plenty of it: recent estimates say that the universe is more than 70 percent dark energy.
但宇宙的阴暗面(暗物质、暗能量)的本质究竟是什么，各方争论至今。
Debate about the exact nature of the dark side of the Universe - the dark matter and dark energy - continues to this day.
明显地是，暗能量不会超出目前的强度，以避免其阻止物质混合形成星系。
Evidently, dark energy can't have been much stronger than it is today lest it prevent matter from coalescing to form galaxies.
我们有过各种各样的惊喜：暗物质，暗能量，宇宙膨胀，诸如此类的事情。
We've had all kinds of surprises: dark matter, dark energy, inflation, things like that.
虽然暗能量导致宇宙加速碰撞，这并不意味着人们的确知道暗能量是什么。
Just because dark energy is the leading explanation for the accelerating universe, it doesn't mean anyone actually understands what it is.
在贯穿宇宙的历史中，暗能量是否保持它的值对于它的本性来说是很重要的信息。
Whether dark energy has retained its value throughout the history of the universe is an important clue to its nature.
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