星系研究支持爱因斯坦的广义相对论
📖 逐句对照翻译
An international group of scientists has been studying how the structure of the universe has grown over the past 11 billion years.
一个国际科学家小组一直在研究宇宙结构在过去110亿年间是如何发展的。
These researchers recently announced findings about how gravity behaves at a very large scale.
这些研究人员最近公布了关于引力在极大尺度下如何表现的发现。
What they found supports a prediction physicist Albert Einstein made in his 1915 theory of general relativity.
他们的发现支持了物理学家阿尔伯特·爱因斯坦在1915年广义相对论中做出的预测。
Dark energy and gravity
暗能量与引力
The findings are part of a years-long study of the history of the universe that has focused on dark energy.
这些发现是一项长达数年、聚焦暗能量的宇宙历史研究的一部分。
Dark energy is an invisible and mysterious force that is accelerating, or speeding up, the ongoing expansion of the universe.
暗能量是一种无形而神秘的力量，它正在加速宇宙的持续膨胀。
The study’s researchers used a year of observations by the Dark Energy Spectroscopic Instrument (DESI) at Kitt Peak National Observatory in Arizona.
该研究的研究人员利用了亚利桑那州基特峰国家天文台的暗能量光谱仪（DESI）为期一年的观测数据。
Gravity is one of the universe's fundamental forces.
引力是宇宙的基本力之一。
Einstein's theory linked space, time and gravity.
爱因斯坦的理论将空间、时间和引力联系在了一起。
The theory holds that large amounts of mass and energy curve the structure of space-time, influencing the motion of whatever passes nearby.
该理论认为，大量的质量和能量会使时空结构发生弯曲，从而影响附近任何经过物体的运动。
Dragan Huterer of the University of Michigan was co-leader of the working group that examined the data from DESI.
密歇根大学的德拉甘·胡特雷尔是负责分析DESI数据的工作组联合负责人。
Huterer said: "Einstein's theory of general relativity describes the motion of massive objects in a gravitational field that they create.
胡特雷尔说：“爱因斯坦的广义相对论描述了巨大物体在它们自身产生的引力场中的运动。”
It is one of the most successful physical theories that we have.
它是我们拥有的最成功的物理理论之一。
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But the announcement in 1998 that the universe’s expansion was speeding up raised doubts about Einstein’s model.
但1998年宣布宇宙膨胀正在加速，这让人们对爱因斯坦的模型产生了怀疑。
“The discovery of the accelerating universe…led to suggestions that maybe general relativity needs to be modified,” Huterer said.
“加速宇宙的发现……引发了这样的猜想：也许广义相对论需要修正，”胡特雷尔说道。
The new DESI findings revealed gravity is behaving as Einstein predicted that it would.
新的DESI研究结果显示，引力的行为正如爱因斯坦所预测的那样。
Scientists say the Big Bang event 13.8 billion years ago began the universe, which has been expanding ever since.
科学家表示，138亿年前的大爆炸事件开启了宇宙，自此宇宙便一直在膨胀。
They say experiments show the expansion was actually accelerating and dark energy is a possible cause.
他们说实验表明膨胀实际上在加速，暗能量是一个可能的原因。
The new DESI findings focused on the growth of what is called the cosmic structure.
新的DESI研究结果聚焦于所谓宇宙结构的生长。
It dates to when the universe was about 20 percent of its current age.
它追溯到宇宙年龄约为当前年龄20%的时候。
This cosmic structure has a direct connection to the large-scale organization of matter.
这种宇宙结构与物质的大尺度组织方式有着直接的联系。
Galaxies, galaxy clusters and even larger galaxy superclusters form a cosmic web or connected networks with large areas of space existing in between.
星系、星系团乃至更大的星系超星系团构成了宇宙网或相互连接的网络，其间存在着大片的空间。
This structure results from the gravitational pull of matter throughout the universe.
这种结构源于宇宙中物质产生的引力。
The new study was based on DESI observations of almost 6 million galaxies and their centers, dating back 11 billion years.
这项新研究基于暗能量光谱仪（DESI）对近600万个星系及其中心的观测，这些观测可追溯至110亿年前。
The DESI scientists in April released the largest three-dimensional map of the cosmos.
DESI的科学家们在四月份发布了最大的宇宙三维地图。
They announced findings suggesting that dark energy may not be an unchangeable force.
他们公布的发现表明，暗能量可能并非一种恒定不变的力量。
Instead, it might change over time.
相反，它可能会随时间而变化。
Those findings focused on a specific behavior of galaxy clusters.
这些发现聚焦于星系团的一种特定行为。
The new research expanded what is known about that behavior.
这项新研究拓展了人们对那种行为的已有认知。
Mustapha Ishak-Boushaki of the University of Texas at Dallas was a co-leader of the working group.
德克萨斯大学达拉斯分校的穆斯塔法·伊沙克-布沙基是该工作组的共同负责人之一。
He said, "Our DESI data shows that it is in agreement with Einstein's theory of gravity but still favors a dynamical dark energy - and finding these simultaneously is new."
他说：“我们的DESI数据表明，它与爱因斯坦的引力理论相符，但仍倾向于动态暗能量——同时发现这两点是新的。”
The universe includes ordinary matter: stars, planets, gas, dust.
宇宙包含普通物质：恒星、行星、气体和尘埃。
It also contains dark matter.
它也包含暗物质。
Dark matter is invisible material that might make up about 27 percent of the cosmos.
暗物质是一种不可见的物质，可能约占宇宙的27%。
In addition to that, scientists also believe there is dark energy which might make up 68 percent of the cosmos.
除此之外，科学家还认为存在暗能量，它可能占宇宙的68%。
"Dark energy is responsible for the accelerated expansion of the universe. The physical nature of dark energy is at present unknown," Huterer said.
胡特雷尔说：“暗能量是宇宙加速膨胀的原因。暗能量的物理性质目前尚不清楚。”
The new findings appear to support the current “standard model” of cosmology that includes the theory of general relativity.
新发现似乎支持了当前宇宙学的“标准模型”，其中包括广义相对论。
The DESI working group involves more than 900 researchers from more than 70 organizations worldwide.
DESI工作组由来自全球70多个机构的900多名研究人员组成。
It is overseen by the U.S. Department of Energy's Lawrence Berkeley National Laboratory.
它由美国能源部下属的劳伦斯伯克利国家实验室负责监管。
The new research was published in the arXiv online database before undergoing the process of peer review.
这项新研究在经历同行评审过程之前，已发表在arXiv在线数据库中。
I’m John Russell.
我是约翰·拉塞尔。
Will Dunham reported on this story for Reuters.
威尔·邓纳姆为路透社报道了此事。
John Russell adapted it for VOA Learning English.
约翰·拉塞尔为VOA英语学习频道改编了它。
