exmeridian diagram

简明释义

近中天高度修正量图

英英释义

例句

1.In astronomy, an exmeridian diagram is essential for understanding the position of stars relative to Earth.

在天文学中，exmeridian diagram对于理解星星相对于地球的位置至关重要。

2.The exmeridian diagram provided a clear representation of the sun's path throughout the year.

exmeridian diagram清晰地展示了太阳在一年中的运行轨迹。

3.The professor explained how to create an exmeridian diagram in the lecture on celestial navigation.

教授在关于天文导航的讲座中解释了如何绘制exmeridian diagram。

4.Using an exmeridian diagram, the students were able to plot the trajectory of the comet.

通过使用exmeridian diagram，学生们能够绘制彗星的轨迹。

5.The scientist used the exmeridian diagram to analyze the celestial movements during the experiment.

科学家使用exmeridian diagram分析实验中的天体运动。

作文

The concept of an exmeridian diagram is essential in the field of astronomy and navigation. It serves as a graphical representation that helps to illustrate the positions of celestial bodies relative to the observer's location at a given time. In essence, an exmeridian diagram is used to analyze and predict the apparent motion of stars and planets across the sky, which is crucial for navigators who rely on celestial navigation methods. Understanding how to read and interpret an exmeridian diagram can significantly enhance one’s ability to navigate using the stars. An exmeridian diagram typically includes various elements such as the horizon line, the celestial equator, and the ecliptic, which are vital for determining the altitude and azimuth of celestial objects. The horizon line represents the limit of what can be seen from a specific location, while the celestial equator is an imaginary line in the sky above the Earth's equator. The ecliptic is the apparent path that the sun takes through the sky over the course of a year, which is also significant for understanding the seasons and the positioning of other celestial bodies.When using an exmeridian diagram, one must first establish their geographic location and the time of observation. This information is critical because the positions of celestial bodies change based on both the observer's location and the time of year. Once these factors are established, the observer can plot the positions of stars or planets on the diagram, allowing them to determine their altitude (how high they are in the sky) and azimuth (the direction along the horizon).For instance, if a navigator wishes to locate a specific star, they would refer to an exmeridian diagram to see where that star will appear in relation to their position. By knowing the star's coordinates and the current time, they can accurately pinpoint when and where to look. This method of celestial navigation has been used for centuries and remains relevant today, especially for those who prefer traditional navigation techniques over modern technology.In addition to its practical applications, the exmeridian diagram also serves as a teaching tool in astronomy classes. Students learn to appreciate the complexity of celestial movements and the importance of precise measurements in navigation. By working with exmeridian diagrams, they gain hands-on experience that deepens their understanding of the universe and our place within it.In summary, the exmeridian diagram is a fundamental tool in astronomy that facilitates the study and practice of celestial navigation. Its ability to visually represent the positions of celestial bodies makes it invaluable for both navigators and students of astronomy. As we continue to explore the cosmos, mastering tools like the exmeridian diagram will remain essential for those who seek to understand the night sky and navigate by the stars.

exmeridian图是天文学和导航领域中的一个重要概念。它作为一种图形表示，帮助说明天体相对于观察者在特定时间的位置。本质上，exmeridian图用于分析和预测星星和行星在天空中的表观运动，这对依赖天体导航方法的导航员至关重要。理解如何阅读和解释exmeridian图可以显著提高人们利用星星进行导航的能力。exmeridian图通常包括多个元素，例如地平线、天球赤道和黄道，这些都是确定天体高度和方位角的关键。地平线代表从特定位置可以看到的限制，而天球赤道是天空中与地球赤道相对应的虚拟线。黄道是太阳在一年中通过天空的表观路径，这对于理解季节和其他天体的位置也具有重要意义。使用exmeridian图时，首先必须确定自己的地理位置和观察时间。这些信息至关重要，因为天体的位置根据观察者的位置和年份的不同而变化。一旦这些因素确定，观察者就可以在图上绘制星星或行星的位置，从而确定它们的高度（它们在天空中的高度）和方位角（沿地平线的方向）。例如，如果导航员希望找到一颗特定的星星，他们会参考exmeridian图以查看该星星将如何相对于他们的位置出现。通过知道星星的坐标和当前时间，他们可以准确地确定何时何地去看。这种天体导航方法已经使用了几个世纪，并且在今天仍然相关，尤其是对于那些更喜欢传统导航技术而非现代技术的人。除了实际应用外，exmeridian图还作为天文学课程中的教学工具。学生们学习欣赏天体运动的复杂性以及精确测量在导航中的重要性。通过使用exmeridian图，他们获得了实践经验，加深了对宇宙及我们在其中位置的理解。总之，exmeridian图是天文学中的基本工具，促进了天体导航的研究和实践。它能够直观地表示天体的位置，使其对导航员和天文学学生都具有不可估量的价值。随着我们继续探索宇宙，掌握像exmeridian图这样的工具将对那些寻求理解夜空和通过星星导航的人来说至关重要。