metagalaxy

简明释义

英[ˈmetəˌɡæləksɪ]美[ˌmetəˈɡæləksi]

n. 宇宙；[天] 总星系

复 数 m e t a g a l a x i e s

英英释义

单词用法

同义词

反义词

例句

1.Scientists believe that dark matter plays a crucial role in the formation of the metagalaxy 宇宙大系.

科学家们认为暗物质在宇宙大系的形成中起着关键作用。

2.The metagalaxy 宇宙大系 contains not only galaxies but also clusters and superclusters.

宇宙大系不仅包含星系，还有星团和超星团。

3.The concept of a metagalaxy 宇宙大系 challenges our perception of space and time.

宇宙大系的概念挑战了我们对空间和时间的认知。

4.In the vastness of the metagalaxy 宇宙大系, there are billions of galaxies waiting to be explored.

在广袤的宇宙大系中，有数十亿个星系等待被探索。

5.The study of the metagalaxy 宇宙大系 helps astronomers understand the structure of the universe.

对宇宙大系的研究帮助天文学家理解宇宙的结构。

作文

The universe is an incredibly vast and complex entity, filled with countless celestial bodies and phenomena. Among the most intriguing concepts in contemporary astrophysics is that of the metagalaxy, which refers to the large-scale structure of the universe that encompasses all galaxies and their interactions. Understanding the metagalaxy is essential for grasping how cosmic structures evolve over time and how they influence each other through gravitational forces. To comprehend the significance of the metagalaxy, it is crucial to first understand what a galaxy is. A galaxy is a massive system that consists of stars, star clusters, planets, gas, dust, and dark matter, all bound together by gravity. The Milky Way, for instance, is our home galaxy, housing billions of stars, including our Sun. However, the metagalaxy extends beyond individual galaxies and includes the vast spaces between them, along with the intricate web of cosmic filaments and voids. The study of the metagalaxy allows astronomers to investigate the large-scale distribution of matter in the universe. Observations have shown that galaxies are not evenly distributed; instead, they form clusters and superclusters, interconnected by vast stretches of empty space. This arrangement resembles a cosmic web, where galaxies are nodes connected by filaments of dark matter. Understanding this structure helps scientists to explore the underlying physics governing the formation and evolution of galaxies. One of the pivotal theories related to the metagalaxy is the Big Bang theory, which posits that the universe began as a singularity approximately 13.8 billion years ago and has been expanding ever since. This expansion has significant implications for the metagalaxy as it influences the distance between galaxies and their relative motion. As the universe expands, galaxies move away from each other, leading to various observable phenomena, such as redshift, which can be measured to determine the rate of expansion. Moreover, the metagalaxy is not static; it is dynamic and constantly evolving. Interactions between galaxies, such as collisions and mergers, play a vital role in shaping the metagalaxy. These events can trigger bursts of star formation and lead to the creation of new structures within the universe. For instance, when two galaxies collide, their gravitational forces can cause gas to compress, igniting new stars and altering the galaxies' shapes. Such processes illustrate the interconnectedness of cosmic entities within the metagalaxy.In addition to physical interactions, the metagalaxy also raises philosophical questions about our place in the universe. As we study the vastness of the metagalaxy, we are reminded of the scale of existence and the myriad possibilities that lie beyond our planet. The quest to understand the metagalaxy not only enriches our knowledge of astrophysics but also inspires a sense of wonder about the cosmos. In conclusion, the concept of the metagalaxy serves as a fundamental framework for understanding the large-scale structure of the universe. By studying the metagalaxy, we gain insights into the formation and evolution of galaxies, the dynamics of cosmic interactions, and the philosophical implications of our existence within this vast expanse. As research continues to advance, our comprehension of the metagalaxy will undoubtedly deepen, revealing more about the mysteries of the universe and our place within it.

宇宙是一个极其广阔而复杂的实体，充满了无数的天体和现象。在当代天体物理学中，最引人入胜的概念之一就是超星系，它指的是包含所有星系及其相互作用的宇宙大尺度结构。理解超星系对于把握宇宙结构如何随时间演变以及它们如何通过引力相互影响至关重要。要理解超星系的重要性，首先必须了解什么是星系。星系是一个庞大的系统，由恒星、恒星团、行星、气体、尘埃和暗物质组成，所有这些都被引力束缚在一起。例如，银河系就是我们的家园星系，里面有数十亿颗恒星，包括我们的太阳。然而，超星系超越了单个星系，涵盖了它们之间的广阔空间，以及宇宙丝状结构和空洞的复杂网络。对超星系的研究使天文学家能够调查宇宙中物质的大尺度分布。观测表明，星系并不是均匀分布的；相反，它们形成了星系团和超星系团，通过广阔的空白区域相互连接。这种排列类似于宇宙网络，其中星系是节点，通过暗物质的丝状结构连接在一起。理解这种结构帮助科学家探索支配星系形成和演变的基本物理规律。与超星系相关的一个关键理论是大爆炸理论，该理论认为宇宙大约在138亿年前作为一个奇点开始，随后不断膨胀。这种膨胀对超星系具有重要影响，因为它影响星系之间的距离及其相对运动。随着宇宙的膨胀，星系彼此远离，导致各种可观察到的现象，例如红移，可以通过测量来确定膨胀的速度。此外，超星系也不是静态的；它是动态的并且不断演变。星系之间的相互作用，如碰撞和合并，在塑造超星系方面发挥着重要作用。这些事件可以引发恒星形成的爆发，并导致宇宙中新结构的形成。例如，当两个星系碰撞时，它们的引力可以导致气体压缩，引发新恒星的形成，并改变星系的形状。这些过程说明了在超星系内宇宙实体之间的相互联系。除了物理相互作用外，超星系还引发了关于我们在宇宙中位置的哲学问题。当我们研究超星系的广阔时，我们会想起存在的规模以及我们星球之外的无数可能性。理解超星系的追求不仅丰富了我们对天体物理学的知识，还激发了对宇宙的敬畏感。总之，超星系的概念作为理解宇宙大尺度结构的基本框架。通过研究超星系，我们获得了有关星系形成和演变、宇宙交互动力学以及我们在这个广阔空间中的存在的哲学意义的见解。随着研究的持续推进，我们对超星系的理解无疑会加深，揭示更多关于宇宙奥秘和我们在其中位置的真相。