interstellar space

简明释义

宇宙空间

英英释义

Interstellar space refers to the physical space that exists between stars in a galaxy.

星际空间是指在银河系中存在于恒星之间的物理空间。

It is characterized by a low density of particles, primarily hydrogen and helium, and is largely empty compared to the space within star systems.

它的特点是粒子密度低,主要由氢和氦组成,与恒星系统内的空间相比,基本上是空旷的。

例句

1.Astronomers study the cosmic background radiation to learn more about the conditions in interstellar space (星际空间).

天文学家研究宇宙微波背景辐射,以了解更多关于星际空间 (interstellar space) 中的条件。

2.Scientists believe that the vast emptiness of interstellar space (星际空间) is filled with dark matter.

科学家认为,星际空间 (interstellar space) 的广阔空旷中充满了暗物质。

3.The Voyager probes are now traveling through interstellar space (星际空间), far beyond our solar system.

旅行者探测器现在正穿越星际空间 (interstellar space), 远离我们的太阳系。

4.Future space missions may aim to explore regions of interstellar space (星际空间) for signs of life.

未来的太空任务可能旨在探索星际空间 (interstellar space) 的区域,以寻找生命迹象。

5.In interstellar space (星际空间), temperatures can drop to near absolute zero.

星际空间 (interstellar space) 中,温度可以降到接近绝对零度。

作文

In the vastness of the universe, one of the most intriguing concepts is that of interstellar space, which refers to the physical space between the stars in a galaxy. This region is not empty; rather, it is filled with a very low density of particles, primarily hydrogen and helium, along with cosmic rays and magnetic fields. Understanding interstellar space is crucial for astronomers and astrophysicists as it plays a significant role in the lifecycle of stars and galaxies.The concept of interstellar space has fascinated humanity for centuries. Ancient civilizations looked up at the night sky and wondered about the stars, their arrangement, and what lay beyond them. With the advent of modern astronomy, we have gained a deeper understanding of the cosmos. However, interstellar space remains one of the least explored areas of our universe. It is a realm where the distances are immense, and the conditions are extreme, presenting both challenges and opportunities for exploration.One of the most remarkable aspects of interstellar space is its sheer scale. The nearest star system to Earth, Alpha Centauri, is about 4.37 light-years away. This distance is mind-boggling when we consider that light travels at approximately 299,792 kilometers per second. To put this into perspective, even the fastest spacecraft ever built would take over 70,000 years to reach Alpha Centauri. This highlights the vast emptiness of interstellar space and the challenges we face in exploring it.Despite the difficulties, scientists are eager to learn more about interstellar space. Missions like Voyager 1 and Voyager 2 have provided invaluable data about the outer solar system and are now venturing into interstellar space. These spacecraft carry instruments that measure cosmic radiation, magnetic fields, and the density of particles in interstellar space. The information gathered by these probes will help us understand the environment beyond our solar system and the interactions between solar wind and interstellar matter.Moreover, interstellar space is not just an empty void; it is a dynamic environment where various phenomena occur. For instance, the presence of cosmic dust can lead to the formation of new stars. When regions of interstellar space become dense enough, gravity can pull together the dust and gas, eventually igniting nuclear fusion and giving birth to a new star. This process is a fundamental part of the cosmic cycle, illustrating how interstellar space contributes to the ongoing evolution of the universe.In addition to its scientific significance, interstellar space also captures the imagination of writers and filmmakers. Science fiction often explores themes of travel through interstellar space, depicting advanced civilizations and technologies that allow for interstellar journeys. These narratives inspire curiosity and wonder about what lies beyond our planet and whether life exists elsewhere in the universe.In conclusion, interstellar space is a captivating subject that bridges science and imagination. It represents the unknown, the vast expanse between stars that holds the secrets of our universe. As we continue to explore and learn more about interstellar space, we not only expand our knowledge of the cosmos but also deepen our understanding of our place within it. The study of interstellar space is essential for unraveling the mysteries of the universe and may one day lead us to discover new worlds and even extraterrestrial life.

在宇宙的浩瀚中,最引人入胜的概念之一是星际空间,它指的是银河系中恒星之间的物理空间。这个区域并不是空的;相反,它充满了极低密度的粒子,主要是氢和氦,以及宇宙射线和磁场。理解星际空间对天文学家和天体物理学家至关重要,因为它在恒星和星系的生命周期中发挥着重要作用。星际空间的概念吸引着人类数个世纪。古代文明仰望夜空,思考星星、它们的排列以及它们之上有什么。随着现代天文学的出现,我们对宇宙有了更深刻的理解。然而,星际空间仍然是我们宇宙中探索最少的领域之一。它是一个距离巨大、条件极端的领域,给探索带来了挑战和机遇。星际空间最引人注目的方面之一是其规模之大。离地球最近的星系,阿尔法·南门二,是大约4.37光年远。这一距离在我们考虑到光速为每秒约299,792公里时是令人难以置信的。为了更好地理解这一点,即使是建造的最快航天器也需要超过70,000年的时间才能到达阿尔法·南门二。这突显了星际空间的广阔空虚以及我们在探索这一领域时面临的挑战。尽管存在困难,科学家们仍渴望了解更多关于星际空间的信息。像旅行者1号和旅行者2号这样的任务提供了有关外太阳系的宝贵数据,现在它们正在进入星际空间。这些航天器携带测量宇宙辐射、磁场和星际空间中粒子密度的仪器。通过这些探测器收集的信息将帮助我们理解太阳系之外的环境以及太阳风与星际空间物质之间的相互作用。此外,星际空间并不仅仅是一个空洞;它是一个动态环境,各种现象在此发生。例如,宇宙尘埃的存在可以导致新星的形成。当星际空间中的某些区域变得足够稠密时,重力可以将尘埃和气体聚集在一起,最终点燃核聚变,诞生一颗新星。这个过程是宇宙循环的基本部分,展示了星际空间如何促进宇宙的持续演化。除了科学意义外,星际空间还激发了作家和电影制片人的想象力。科幻作品经常探讨穿越星际空间的主题,描绘能够进行星际旅行的先进文明和技术。这些叙述激发了人们对我们星球之外的好奇心和对宇宙中是否存在其他生命的思考。总之,星际空间是一个引人入胜的主题,连接了科学与想象。它代表了未知,恒星之间的广阔空间蕴藏着我们宇宙的秘密。随着我们继续探索并了解更多关于星际空间的信息,我们不仅扩展了对宇宙的知识,也加深了对我们在其中位置的理解。研究星际空间对于揭示宇宙的奥秘至关重要,并可能有一天引导我们发现新世界甚至外星生命。

相关单词

interstellar

interstellar详解:怎么读、什么意思、用法

space

space详解:怎么读、什么意思、用法