system of celestial coordinates

简明释义

天球坐标系

英英释义

例句

1.The system of celestial coordinates is essential for navigation in space travel.

在太空旅行中，天体坐标系统对导航至关重要。

2.Satellites are often tracked using a system of celestial coordinates to ensure they remain in orbit.

卫星通常通过使用天体坐标系统进行跟踪，以确保它们保持在轨道上。

3.The system of celestial coordinates consists of right ascension and declination, similar to latitude and longitude on Earth.

天体坐标系统由赤经和赤纬组成，类似于地球上的纬度和经度。

4.By understanding the system of celestial coordinates, amateur astronomers can find constellations more easily.

通过理解天体坐标系统，业余天文学家可以更容易地找到星座。

5.Astronomers use a system of celestial coordinates to accurately locate stars in the night sky.

天文学家使用天体坐标系统来准确定位夜空中的星星。

作文

In the realm of astronomy, understanding the vastness of the universe requires a reliable method for locating celestial bodies. This is where the system of celestial coordinates comes into play. The system of celestial coordinates (天体坐标系统) provides astronomers with a framework to pinpoint the positions of stars, planets, and other celestial phenomena in the night sky. Just as we use latitude and longitude to navigate our planet, astronomers utilize this coordinate system to navigate the cosmos.The system of celestial coordinates consists of two primary components: right ascension and declination. Right ascension is akin to longitude on Earth, measuring how far east or west an object is from a reference point known as the vernal equinox. It is measured in hours, minutes, and seconds, allowing precise tracking of celestial objects as they move across the sky. Declination, on the other hand, is comparable to latitude, indicating how far north or south an object is from the celestial equator. It is measured in degrees, with positive values indicating locations north of the celestial equator and negative values indicating those to the south.These coordinates are not only essential for locating objects in the night sky but also for mapping out the movements of celestial bodies over time. For instance, when astronomers observe a star's position, they can use the system of celestial coordinates to determine its trajectory and predict its future location. This capability is crucial for various astronomical tasks, including tracking asteroids that may pose a threat to Earth, planning space missions, and studying the motion of galaxies.Moreover, the system of celestial coordinates is vital for amateur astronomers and stargazers. Many star charts and astronomy apps utilize this system, allowing enthusiasts to find and identify celestial objects easily. By learning to read these coordinates, individuals can enhance their understanding of the universe and enjoy the beauty of the night sky more fully.In addition to its practical applications, the system of celestial coordinates also has historical significance. Ancient civilizations, such as the Babylonians and Greeks, developed their methods for observing and recording the positions of celestial bodies. Over time, these methods evolved into the modern coordinate systems we use today. The transition to the contemporary system of celestial coordinates reflects humanity's growing understanding of the cosmos and our place within it.In conclusion, the system of celestial coordinates is an indispensable tool in the field of astronomy. It allows scientists and enthusiasts alike to navigate the vast expanse of the universe, providing a structured way to locate and track celestial objects. As technology continues to advance, the importance of this coordinate system will only grow, enabling deeper exploration and understanding of the universe around us. Whether for professional research or personal enjoyment, mastering the system of celestial coordinates is essential for anyone looking to explore the wonders of the night sky.

在天文学的领域中，理解宇宙的广阔性需要一种可靠的方法来定位天体。这就是天体坐标系统（system of celestial coordinates）的作用。天体坐标系统为天文学家提供了一个框架，以便在夜空中精确定位恒星、行星和其他天体现象。就像我们使用纬度和经度来导航我们的星球一样，天文学家利用这个坐标系统来导航宇宙。天体坐标系统由两个主要组成部分构成：赤经和赤纬。赤经类似于地球上的经度，测量一个物体相对于一个称为春分点的参考点的东或西距离。它以小时、分钟和秒为单位进行测量，使得天体在天空中的移动能够被精确追踪。赤纬则相当于纬度，指示一个物体相对于天球赤道的南北位置。它以度数为单位进行测量，正值表示位于天球赤道以北的位置，负值表示位于南方。这些坐标不仅对定位夜空中的物体至关重要，而且对绘制天体随时间运动的轨迹也至关重要。例如，当天文学家观察一颗恒星的位置时，他们可以使用天体坐标系统来确定其轨迹并预测未来的位置。这种能力对于各种天文学任务至关重要，包括追踪可能对地球构成威胁的小行星、规划太空任务以及研究星系的运动。此外，天体坐标系统对业余天文学家和观星者也至关重要。许多星图和天文学应用程序都利用这一系统，使爱好者能够轻松找到和识别天体。通过学习如何阅读这些坐标，个人可以增强对宇宙的理解，更全面地享受夜空的美丽。除了实际应用外，天体坐标系统还有历史意义。古代文明，如巴比伦人和希腊人，发展了他们观察和记录天体位置的方法。随着时间的推移，这些方法演变为我们今天使用的现代坐标系统。向现代天体坐标系统的过渡反映了人类对宇宙及其在其中的位置的理解不断加深。总之，天体坐标系统是天文学领域中不可或缺的工具。它使科学家和爱好者能够导航宇宙的广阔空间，为定位和跟踪天体提供了一种结构化的方法。随着技术的不断进步，这一坐标系统的重要性只会增加，从而促进对我们周围宇宙的更深入探索和理解。无论是出于专业研究还是个人享受，掌握天体坐标系统对于任何希望探索夜空奇观的人来说都是必不可少的。