double stars

简明释义

双星;

英英释义

例句

1.The study of double stars helps astronomers determine the mass of stars.

对双星的研究帮助天文学家确定恒星的质量。

2.Some double stars are so close that they orbit each other in a binary system.

有些双星如此接近，以至于它们在一个双重系统中相互绕行。

3.In the night sky, you can spot some beautiful double stars with the naked eye.

在夜空中，你可以用肉眼看到一些美丽的双星。

4.Astronomers often study double stars to learn more about stellar formation.

天文学家经常研究双星以了解更多关于恒星形成的知识。

5.The telescope was able to resolve the two components of the double stars clearly.

望远镜能够清楚地分辨出这对双星的两个组成部分。

作文

In the vast expanse of the universe, one of the most fascinating phenomena that astronomers study is the existence of double stars. These celestial bodies are not just a single star shining brightly in the night sky; instead, they are two stars that are gravitationally bound to each other, orbiting a common center of mass. The study of double stars provides valuable insights into the nature of stellar formation and evolution. The term double stars refers to pairs of stars that appear close together in the sky from our perspective on Earth. However, they can be separated by vast distances in space. Some double stars are actually part of a larger system, with multiple stars orbiting each other. This complexity makes them an intriguing subject for astronomers who seek to understand the dynamics of star systems. One of the primary reasons why double stars are important in astrophysics is that they allow scientists to measure stellar masses. By observing the motion of the stars around their common center of mass, astronomers can apply Kepler's laws of planetary motion to calculate the masses of the individual stars. This is crucial because the mass of a star plays a significant role in determining its lifecycle, including how long it will live and what type of supernova it might produce at the end of its life. Moreover, double stars can also provide information about the composition of stars. When light from a star passes through its atmosphere, certain wavelengths are absorbed by elements present in the star. By studying the spectrum of light emitted by double stars, astronomers can determine the chemical makeup of each star in the pair. This helps in understanding the processes that govern stellar formation and the evolution of elements in the universe. In addition to their scientific significance, double stars have captured the imagination of stargazers and poets alike. The beauty of two stars twinkling together in the night sky has inspired countless works of art and literature. For instance, in many cultures, double stars are often associated with love and companionship, symbolizing the bond between two individuals. The famous binary star system, Alpha Centauri, is sometimes referred to as the "Twin Stars" and is the closest star system to our solar system, embodying the idea of togetherness in the cosmos. Furthermore, observing double stars can be an exciting activity for amateur astronomers. Many telescopes are capable of resolving these pairs, allowing enthusiasts to witness the beauty of these celestial couples. The thrill of discovering a new double star or tracking the movement of known pairs can be incredibly rewarding. In conclusion, double stars are not only significant in the field of astronomy but also hold a special place in human culture and imagination. Their study enhances our understanding of the universe and the fundamental processes that govern it. As we continue to explore the cosmos, the secrets held by double stars will undoubtedly lead to new discoveries and a deeper appreciation of the intricate dance of celestial bodies above us.

在宇宙的广阔空间中，天文学家研究的最迷人的现象之一就是存在的双星。这些天体不仅仅是夜空中闪耀的单一星星；相反，它们是两个彼此引力束缚的星星，围绕一个共同的质量中心旋转。对双星的研究提供了关于恒星形成和演化本质的宝贵见解。术语双星指的是从我们在地球上的角度看起来靠近在一起的一对星星。然而，它们在太空中可能相隔遥远。一些双星实际上是更大系统的一部分，多个星星相互环绕。这种复杂性使它们成为天文学家研究恒星系统动力学的有趣主题。双星在天体物理学中重要的主要原因之一是它们允许科学家测量恒星的质量。通过观察星星围绕其共同质量中心的运动，天文学家可以应用开普勒的行星运动定律来计算每颗星的质量。这至关重要，因为恒星的质量在决定其生命周期方面起着重要作用，包括它将活多久以及在其生命结束时可能产生何种超新星。此外，双星还可以提供有关恒星组成的信息。当来自恒星的光线穿过其大气层时，某些波长会被恒星中存在的元素吸收。通过研究双星发出的光谱，天文学家可以确定每颗星的化学成分。这有助于理解支配恒星形成和宇宙中元素演化的过程。除了科学意义外，双星也吸引了无数观星者和诗人的想象力。两颗星星在夜空中一起闪烁的美丽激发了无数艺术和文学作品。例如，在许多文化中，双星通常与爱和伴侣关系相关联，象征着两个个体之间的纽带。著名的二元星系统阿尔法·半人马星有时被称为“双子星”，是距离我们太阳系最近的星系，体现了宇宙中的团结理念。此外，观察双星对于业余天文学家来说也是一项令人兴奋的活动。许多望远镜能够解析这些对，使爱好者能够目睹这些天体情侣的美丽。发现新的双星或追踪已知对的运动的刺激感是极其有回报的。总之，双星不仅在天文学领域具有重要意义，而且在人类文化和想象力中占据特殊地位。它们的研究增强了我们对宇宙及其基本过程的理解。随着我们继续探索宇宙，双星所蕴含的秘密无疑将导致新的发现，并加深我们对头顶上复杂舞蹈的天体的欣赏。