Once the size of the universe is doubled, both matter energy and gravitation energy double correspondingly.
当宇宙的尺度加倍，物质和引力能都加倍——这样，零的两倍仍为零。
Although today's universe is still expanding, Professor Hawking holds that the plus matter energy balances the minus gravitation energy, thus the total energy is zero.
虽说今天的宇宙还在膨胀，但霍金教授说：“正的物质能量刚好和负的引力能量相互平衡，这样就使得总能量为零。”
Those damaged cells by dark matter energy of light have restored their activeness. Not only so, those cells itself also seems to have some radioactive mutation, changed to strong.
那些被暗物质光能摧毁而完全失去活性的细胞完全恢复了正常，不但如此，那些细胞本身似乎还发生了一些放射性突变，变得强壮了。
The ecologist is concerned primarily with the quantities of matter and energy that pass through a given ecosystem, and with the rates at which they do so.
生态学家主要关注的是流经某一生态系统的物质和能量的量以及它们的速度。
Ecosystems thus involve the circulation, transformation, and accumulation of energy and matter through the medium of living things and their activities.
因此，生态系统以生物及其活动作为媒介，涉及能量和物质的循环、转化和积累。
Scientists transmuted matter into pure energy and exploded the first atomic bomb.
科学家们使物质转化为纯能量，爆破了第一枚原子弹。
For systems transforming solar to thermal energy, the thermal energy may be stored in matter as either latent heat or sensible heat.
对于将太阳能转化为热能的系统，热能可能以潜热或显热的形式存储在物质中。
Energy transmutes into matter and vice versa.
能量变成物质，反之亦然。
Don't waste energy fussing over a minor matter.
不要在微小的事情浪费精力。
In astrophysics, a gravitational action is the mechanism that describes how gravity can emerge from space-time being curved by matter and energy.
在天体物理学中，引力作用量描述了在被物质和能量弯曲的时空中如何形成引力的机理。
An equally intriguing possibility is that dark matter interacts with dark energy.
同样引人入胜的是暗物质有可能与暗能量相互影响。
Matter, energy and dark energy all produce curvature in space-time, however.
而事实上，物质、能量和暗能量在时空中都会产生弯曲。
This is rather strange. We know that matter and energy cannot increase but apparently information can.
想想多少有点奇怪，我们都知道物质和能量是守恒的，而且信息却可以不断的增加。
Some researchers have started using it to explain away the twin cosmological mysteries of dark matter and dark energy.
一些研究者已经开始利用它来解释暗物质和暗能量这两个伴生的宇宙学之谜。
For it to be held that way, rather than getting more and more curved over time, the amount of matter and energy it contains must be at a particular, critical density.
而根据这个状态，不是随时间而越来越弯曲，它所拥有的物质与能量必须在一个临界的，特别的密度。
That makes it hard to argue that dark matter and dark energy are not real and to explain them away by, for example, modifying Einstein's theory of gravity.
这让那种认为暗物质和暗能量不存在的辩驳变得非常困难，更不可能抛开它们去解释任何事情，比如修改爱因斯坦的引力理论。
Without this data from the cosmic microwave background, we can still learn a whole lot about the Universe, including its age, the presence of dark matter and dark energy.
如果没有这个来自宇宙微波背景的数据，我们仍可以去了解整个宇宙，包括其年龄，暗物质和暗能量的存在等等。
We've had all kinds of surprises: dark matter, dark energy, inflation, things like that.
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。
Lots of galaxies exhibit two-lobed jets of matter and energy erupting from their cores, but the "Fermi bubbles" defy easy explanation.
许多星系都呈现出双泡状物质喷流并且伴有核心区域喷发出的能量，不过“费米气泡”已然超越了这种简单的解释。
As is best shown in the equation E=MC2, energy and matter are fundamentally connected.
正如著名的方程式E=MC2 所示，能量与物质紧密相连。
If true this could mean that the ripples are significantly smaller, which could imply that dark matter and dark energy are not present after all.
如果情况属实，这可能意味着波纹明显较小，这意味着，暗物质和暗能量可能并不存在。
Dark matter and dark energy, the sources of many current open questions in astrophysics, will figure in many space-based stories and some planet-based ones.
暗物质和暗能量，当前天体物理学中许多未解之谜的源头，将出现在很多发生在太空和外星的故事中。
In fact, only 4 percent of the matter and energy in the universe has been found.
事实上，宇宙中仅有4%的物质和能量被发现。
In Panek's new book, "The 4 Percent Universe" (Houghton Mifflin Harcourt, 2011), Panek recounts the story of how dark matter and dark energy were discovered.
在潘尼克的新书《4％的宇宙》（哈考特出版社，2011）中，潘尼克详述了暗物质与暗能量怎样发现的经过。
These mysterious substances are called dark energy and dark matter.
这些神秘物质称为暗物质与暗能量。
The advance should sharpen insights into the behavior of matter and energy in extreme conditions.
这一研究上的进展可以使科学家们对极端环境中物质和能量的性质有一个更加清晰的认识。
They can also measure the geometry of space. That allows them to deduce the total density of energy and matter in the universe and infer the amount of dark energy.
他们还能通过测量空间几何推断出宇宙中能量和物质的总密度，并推算暗能量的总和。
Debate about the exact nature of the dark side of the Universe - the dark matter and dark energy - continues to this day.
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.
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。
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