exmeridian observation

简明释义

近中天观测

英英释义

例句

1.An exmeridian observation can help sailors adjust their course based on the sun's position.

通过经外观测，水手可以根据太阳的位置调整航向。

2.The captain explained the importance of exmeridian observation in traditional navigation methods.

船长解释了经外观测在传统导航方法中的重要性。

3.Using an exmeridian observation, the crew was able to calculate their latitude with great precision.

利用经外观测，船员们能够非常精确地计算出他们的纬度。

4.During the training session, we learned how to perform an exmeridian observation for accurate celestial navigation.

在培训课程中，我们学习了如何进行经外观测以实现准确的天文导航。

5.The navigator relied on the exmeridian observation to determine their position at sea.

航海家依赖于经外观测来确定他们在海上的位置。

作文

The field of astronomy has long fascinated humanity, and one of the critical techniques used by astronomers is the exmeridian observation. This term refers to a method of determining the position of celestial bodies based on their observed altitudes at specific times, particularly when they are not at their highest point in the sky. The importance of exmeridian observation lies in its ability to provide accurate measurements that can enhance our understanding of the universe. Historically, sailors relied heavily on celestial navigation, using stars to guide their journeys across the oceans. In this context, exmeridian observation became an essential skill. Navigators would observe the position of the sun or stars at various times of the day, even when these celestial bodies were not at their zenith, allowing them to calculate their latitude and longitude with greater precision. This method was particularly useful during the age of exploration when accurate maps were scarce, and the vastness of the sea posed significant challenges. In modern astronomy, exmeridian observation continues to play a vital role. Astronomers use it to track the movement of planets and stars, helping to refine models of celestial mechanics. By observing a star's altitude at different times, astronomers can determine its coordinates more accurately, contributing to our overall knowledge of the cosmos. This technique also assists in the calibration of telescopes, ensuring that they are aligned correctly for optimal observations. Moreover, exmeridian observation is not limited to professional astronomers; amateur astronomers and enthusiasts can also utilize this method. With the advent of technology, many tools and applications are available to assist individuals in making these observations. For example, smartphone apps can provide real-time data on celestial positions, making it easier for anyone interested in stargazing to engage with this fascinating field. Understanding exmeridian observation requires a grasp of several concepts, including the celestial sphere, the horizon, and the principles of triangulation. The celestial sphere is an imaginary sphere surrounding Earth, where all celestial bodies appear to rest. Observations are made relative to the observer's horizon, and triangulation helps in calculating distances and angles between celestial objects. In conclusion, exmeridian observation is a fundamental practice in both historical and contemporary astronomy. It has enabled navigators to traverse the seas confidently and has allowed astronomers to deepen their understanding of the universe. As technology progresses and more people become interested in astronomy, the technique of exmeridian observation will likely continue to evolve, providing new insights into the night sky. Whether you are a seasoned astronomer or a curious beginner, mastering this technique can open up a world of wonder and discovery in the realm of celestial observation.

天文学领域长期以来吸引着人类，而天文学家使用的关键技术之一就是exmeridian observation。这个术语指的是一种基于特定时间观察天体高度来确定天体位置的方法，特别是在它们并不在天空最高点的时候。exmeridian observation的重要性在于它能够提供准确的测量，从而增强我们对宇宙的理解。在历史上，水手们严重依赖天体导航，利用星星指导他们的海洋旅行。在这种背景下，exmeridian observation成为一项必不可少的技能。导航员会在一天中的不同时间观察太阳或星星的位置，即使这些天体并不在它们的顶点，也能让他们更精确地计算出自己的纬度和经度。这种方法在探索时代尤其有用，当时准确的地图稀缺，广阔的海洋带来了重大挑战。在现代天文学中，exmeridian observation仍然发挥着重要作用。天文学家利用它来跟踪行星和恒星的运动，帮助完善天体力学模型。通过在不同时间观察恒星的高度，天文学家可以更准确地确定其坐标，从而为我们对宇宙的整体知识做出贡献。这一技术还有助于望远镜的校准，确保它们正确对齐以获得最佳观察效果。此外，exmeridian observation并不仅限于专业天文学家；业余天文学家和爱好者也可以利用这一方法。随着科技的发展，许多工具和应用程序可供个人使用，以帮助进行这些观察。例如，智能手机应用程序可以提供有关天体位置的实时数据，使任何对观星感兴趣的人都能更容易地参与这一迷人的领域。理解exmeridian observation需要掌握几个概念，包括天球、地平线以及三角测量的原理。天球是一个围绕地球的想象中的球体，所有天体似乎都停留在其上。观察是相对于观察者的地平线进行的，而三角测量则有助于计算天体之间的距离和角度。总之，exmeridian observation是历史和当代天文学中的一项基本实践。它使导航员能够自信地穿越海洋，并使天文学家能够加深对宇宙的理解。随着科技的进步和越来越多的人对天文学产生兴趣，exmeridian observation这一技术可能会继续发展，为夜空提供新的见解。无论你是经验丰富的天文学家还是好奇的初学者，掌握这一技术都可以在天体观察的领域开启一个充满奇迹和发现的世界。