zenith distance

简明释义

天顶距

英英释义

例句

1.The zenith distance 天顶距离 is crucial for navigation when using celestial bodies.

在使用天体进行导航时，zenith distance 天顶距离是至关重要的。

2.During the solar observation, the zenith distance 天顶距离 of the sun was measured to understand its path.

在太阳观测期间，测量了太阳的zenith distance 天顶距离以了解其轨迹。

3.Understanding the zenith distance 天顶距离 helps in predicting solar eclipses.

理解zenith distance 天顶距离有助于预测日食。

4.He used a sextant to measure the zenith distance 天顶距离 of the moon during the night.

他在晚上用六分仪测量了月亮的zenith distance 天顶距离。

5.The astronomer calculated the zenith distance 天顶距离 of the star to determine its position in the sky.

天文学家计算了星星的zenith distance 天顶距离以确定其在天空中的位置。

作文

The concept of zenith distance is essential in the fields of astronomy and navigation. It refers to the angle between an object in the sky and the zenith, which is the point directly above an observer. Understanding zenith distance can greatly enhance our comprehension of celestial movements and their implications on Earth. To illustrate, when we look at the night sky, we often see stars that seem to twinkle and shift positions. This phenomenon is partially due to the zenith distance of these stars. When a star is at its zenith, it is directly overhead, and its zenith distance is zero degrees. As the star moves away from this point, its zenith distance increases. This angle is critical for astronomers as it helps them determine the position of celestial bodies relative to the Earth’s surface.In practical applications, such as navigation, sailors and pilots use the zenith distance to calculate their position. By measuring the altitude of a star or the sun above the horizon, navigators can derive their latitude. The zenith distance plays a crucial role in these calculations because it provides a reference point for determining how far an object is from the zenith.Moreover, the zenith distance is not only relevant for navigation but also for understanding time zones. The Earth is divided into various time zones based on longitudinal lines, and the position of the sun in relation to the zenith affects local time. For instance, when the sun is at its zenith distance of zero at noon, it indicates that it is directly overhead, marking the peak of daylight for that location. This understanding is vital for scheduling activities and planning events across different regions.In addition to its practical applications, the zenith distance also has philosophical implications. It reminds us of our place in the universe and the vastness of space. As we contemplate the stars and their zenith distances, we are reminded of the intricate connections between celestial phenomena and our daily lives. The study of astronomy encourages us to think beyond our immediate surroundings and consider the larger cosmos.In conclusion, the term zenith distance encompasses a significant aspect of astronomy and navigation. It represents the angle between a celestial object and the zenith, impacting our understanding of celestial movements, navigation practices, and even our perception of time. As we continue to explore the universe, the importance of zenith distance will remain a fundamental concept that bridges the gap between science and philosophy, reminding us of the beauty and complexity of the world around us.

“天顶距离”这一概念在天文学和导航领域中至关重要。它指的是天空中某个物体与天顶之间的角度，天顶是指观察者正上方的点。理解天顶距离可以极大地增强我们对天体运动及其对地球影响的理解。举例来说，当我们仰望夜空时，常常会看到星星闪烁和移动。这种现象部分是由于这些星星的天顶距离所致。当一颗星星处于天顶时，它就在我们头顶上方，此时它的天顶距离为零度。随着星星远离这个点，它的天顶距离会增加。这个角度对于天文学家来说至关重要，因为它帮助他们确定天体相对于地球表面的位置。在实际应用中，水手和飞行员使用天顶距离来计算他们的位置。通过测量某颗星星或太阳在地平线上的高度，导航员可以推导出他们的纬度。天顶距离在这些计算中发挥着关键作用，因为它提供了一个参考点，用于确定物体离天顶的远近。此外，天顶距离不仅与导航相关，还与理解时区有关。地球被划分为多个时区，这些时区基于经度线，而太阳相对于天顶的位置影响着当地时间。例如，当太阳在正午时处于天顶距离为零的位置时，表示它正好在头顶上方，标志着该地点白昼的高峰。理解这一点对于安排活动和规划跨地区事件至关重要。除了其实际应用外，天顶距离还具有哲学意义。它提醒我们在宇宙中的位置以及空间的广阔。当我们思考星星及其天顶距离时，我们被提醒天体现象与我们日常生活之间的复杂联系。天文学的研究鼓励我们超越眼前的环境，考虑更大的宇宙。总之，天顶距离这一术语涵盖了天文学和导航的重要方面。它代表了天体与天顶之间的角度，影响着我们对天体运动、导航实践甚至时间感知的理解。随着我们继续探索宇宙，天顶距离的重要性将始终是一个基本概念，它架起了科学与哲学之间的桥梁，让我们意识到周围世界的美丽与复杂。