heliopause

简明释义

英[ˈhiːlɪəʊˌpɔːz]美[ˈhiːliːoʊˌpɔːz;hiˈlaɪɑːpɔːz]

n. 日球层顶；太阳风层顶

英英释义

单词用法

同义词

反义词

例句

1.In 1999, the Light forces started constructing a Light barrier at the heliopause with the intention of containing darkness infection inside our Solar System and then later clearing it.

1999年，光明势力开始在太阳圈建造正面屏障；以便拘束和肃清太阳系内部的黑暗。

2.Still operational, both Voyagers are headed towards the outer boundary of the solar system, in search of the heliopause and the beginning of interstellar space.

目前二艘航行家太空船仍然持续运转，并努力地往太阳系的边界移动，探寻太阳风层的顶部和星际空间的起点。

3.The heliopause was expected to be a rather sharp boundary between the sun's domain and interstellar space.

太阳风顶层曾被认为是处在太阳系区域和星际宇宙之间一层电磁波动极其强烈的区域。

4.Many astronomers think that the limit of the heliosphere, known as the heliopause, is about 9 billion miles (15 billion kilometers) from the sun.

许多天文学家认为，日球层的边界是太阳风顶层，距离太阳90亿英里(150亿公里)。

5.In 1999, the Light forces started constructing a Light barrier at the heliopause with the intention of containing darkness infection inside our Solar System and then later clearing it.

1999年，光明势力开始在太阳圈建造正面屏障；以便拘束和肃清太阳系内部的黑暗。

6.It's now 17 billion kilometers from Earth. And it should be close to the heliopause, where the plasma flowing outward from the sun no longer holds back the interstellar winds.

发射于1977年的航海家一号如今距离地球已有170亿公里，现在应该已经接近太阳风顶层，在那里从太阳发射出的等离子太阳风已经不能抑制来自星际空间的宇宙射线。

7.Data from Voyager 2 has provided new insights into the structure of the heliopause.

来自旅行者2号的数据为太阳风停滞层的结构提供了新的见解。

8.The spacecraft Voyager 1 crossed the heliopause, marking its entry into interstellar space.

宇宙飞船旅行者1号越过了太阳风停滞层，标志着它进入了星际空间。

9.Scientists are studying the heliopause to understand the boundary between solar and interstellar winds.

科学家们正在研究太阳风停滞层，以了解太阳风与星际风之间的边界。

10.Understanding the heliopause can help us learn about cosmic rays that enter our solar system.

理解太阳风停滞层可以帮助我们了解进入我们太阳系的宇宙射线。

11.The heliopause is where the solar wind pressure balances with the interstellar medium.

太阳风停滞层是太阳风压力与星际介质平衡的地方。

作文

The universe is filled with fascinating phenomena that continue to intrigue scientists and astronomers alike. One such phenomenon is the heliopause, which marks the boundary between the solar wind emitted by our Sun and the interstellar medium that exists in the vastness of space. Understanding the heliopause is crucial for comprehending the dynamics of our solar system and its interaction with the surrounding cosmos.To grasp the concept of the heliopause, we first need to understand what the solar wind is. The solar wind consists of charged particles, primarily electrons and protons, that are ejected from the Sun's corona. This continuous stream of particles travels through space and creates a bubble-like region known as the heliosphere. The heliosphere acts as a shield, protecting the planets within our solar system from cosmic radiation and other interstellar phenomena.As the solar wind travels outward, it eventually encounters the interstellar medium, which is composed of gas and dust that exists between stars. The point at which the solar wind slows down and loses its influence, giving way to the interstellar medium, is called the heliopause. This boundary is not static; it fluctuates based on solar activity and the pressure exerted by the interstellar medium. During periods of high solar activity, the heliopause can push further out into space, while during quieter times, it may retract closer to the Sun.The significance of the heliopause extends beyond just being a boundary. It serves as a critical area for studying cosmic rays and other high-energy particles that originate from outside our solar system. When these cosmic rays reach the heliopause, they interact with the solar wind and can be deflected or altered in their trajectory. Scientists utilize spacecraft like Voyager 1 and Voyager 2, which have crossed the heliopause, to gather data about this unique environment and gain insights into the nature of interstellar travel.Furthermore, the heliopause plays a vital role in understanding the overall structure of the Milky Way galaxy. It helps researchers comprehend how the solar system fits into the larger cosmic framework and how it interacts with neighboring stars and their respective solar winds. By studying the heliopause, scientists can also learn more about the history of our solar system and its formation, as well as the processes that govern stellar evolution.In conclusion, the heliopause is a remarkable aspect of our solar system that represents the interplay between the solar wind and the interstellar medium. Its study not only enhances our understanding of the boundaries of our solar system but also provides valuable insights into the broader universe. As we continue to explore the cosmos, the heliopause will undoubtedly remain a focal point for research and discovery, reminding us of the intricate connections that exist within the vast expanse of space.

宇宙充满了迷人的现象，这些现象不断吸引着科学家和天文学家的兴趣。其中一个现象是日光层停滞面，它标志着我们太阳发出的太阳风与存在于浩瀚空间中的星际介质之间的边界。理解日光层停滞面对于理解我们的太阳系的动态及其与周围宇宙的相互作用至关重要。要掌握日光层停滞面的概念，我们首先需要了解什么是太阳风。太阳风由从太阳的日冕中喷射出的带电粒子组成，主要是电子和质子。这股持续的粒子流穿过空间，形成一个类似气泡的区域，称为日球层。日球层充当一个屏障，保护我们太阳系中的行星免受宇宙辐射和其他星际现象的影响。当太阳风向外传播时，它最终会遇到星际介质，这是一种存在于恒星之间的气体和尘埃。当太阳风减速并失去影响力，转而被星际介质所取代的点被称为日光层停滞面。这个边界并不是静态的；它会根据太阳活动和星际介质施加的压力而波动。在太阳活动高峰期间，日光层停滞面可能会向外推移，而在较安静的时期，它可能会更靠近太阳。日光层停滞面的重要性不仅仅在于它是一个边界。它是研究宇宙射线和其他来自我们太阳系外的高能粒子的关键区域。当这些宇宙射线到达日光层停滞面时，它们与太阳风相互作用，并可能被偏转或改变轨迹。科学家利用像旅行者1号和旅行者2号这样的航天器，这些航天器已经越过了日光层停滞面，收集关于这一独特环境的数据，并获得有关星际旅行性质的见解。此外，日光层停滞面在理解银河系整体结构方面也发挥着至关重要的作用。它帮助研究人员理解太阳系如何适应更大的宇宙框架，以及它如何与邻近的恒星及其各自的太阳风相互作用。通过研究日光层停滞面，科学家们还可以更多地了解我们太阳系的历史和形成过程，以及主导恒星演化的过程。总之，日光层停滞面是我们太阳系的一个显著方面，代表了太阳风与星际介质之间的相互作用。它的研究不仅增强了我们对太阳系边界的理解，还提供了对更广阔宇宙的宝贵见解。随着我们继续探索宇宙，日光层停滞面无疑将成为研究和发现的焦点，提醒我们在浩瀚的空间中存在的复杂联系。