zenith distance

简明释义

天顶距

英英释义

例句

1.The zenith distance 天顶距离 helps navigators find their way by providing essential information about celestial bodies.

zenith distance 天顶距离 帮助导航员找到方向，提供关于天体的重要信息。

2.During the solar eclipse, we measured the zenith distance 天顶距离 to observe how the sun's position changed.

在日食期间，我们测量了zenith distance 天顶距离，以观察太阳的位置如何变化。

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

天文学家计算了这颗星星的zenith distance 天顶距离，以确定它在天空中的位置。

4.In meteorology, understanding the zenith distance 天顶距离 is crucial for predicting weather patterns.

在气象学中，理解zenith distance 天顶距离 对于预测天气模式至关重要。

5.To calculate the altitude of a satellite, scientists often refer to its zenith distance 天顶距离 from the observer's point.

为了计算卫星的高度，科学家通常会参考其离观察者的zenith distance 天顶距离。

作文

The concept of zenith distance is fundamental in the fields of astronomy and navigation. It refers to the angular distance between a celestial object and the zenith, which is the point in the sky directly above an observer. Understanding zenith distance is crucial for astronomers as it helps them determine the position of stars and planets in relation to the Earth. When an observer looks up at the night sky, they can measure how far a star is from the zenith, which can provide insights into its altitude and visibility. In practical terms, the zenith distance can be calculated using a simple formula: if the zenith angle is defined as the angle from the zenith to the object, then the zenith distance is simply 90 degrees minus the zenith angle. This relationship is vital for navigation, especially for sailors and pilots who need to know their position relative to the horizon and celestial bodies. By knowing the zenith distance of specific stars, navigators can accurately plot their course across the oceans or through the skies.Moreover, zenith distance plays a significant role in the study of solar energy. Solar panels are often positioned to maximize their exposure to sunlight, and understanding the zenith distance of the sun at different times of the year allows for optimal placement and angle adjustments. For instance, during summer solstice, the sun reaches a higher zenith, resulting in a smaller zenith distance, which means solar panels can capture more direct sunlight. Conversely, during winter solstice, the sun's zenith distance increases, and panels may need to be adjusted accordingly to maintain efficiency.In addition to its applications in astronomy and solar energy, the concept of zenith distance also has implications in meteorology. Weather patterns can be influenced by the position of the sun in the sky, and understanding the zenith distance can help meteorologists predict temperature variations throughout the day. For example, when the sun is at its zenith, temperatures tend to peak, and understanding this relationship can aid in weather forecasting.In conclusion, the term zenith distance encompasses a variety of applications across multiple disciplines. From aiding astronomers in mapping the cosmos to assisting navigators in finding their way, and even contributing to the field of renewable energy, the significance of zenith distance cannot be overstated. As technology continues to advance, the methods for measuring and utilizing zenith distance will likely evolve, providing even greater accuracy and efficiency in various fields. Whether one is gazing at the stars or harnessing the power of the sun, a solid understanding of zenith distance is essential for making informed decisions.

“天顶距离”这一概念在天文学和导航领域中至关重要。它指的是天体与天顶之间的角距离，天顶是指在观察者正上方的天空点。理解“天顶距离”对天文学家来说至关重要，因为它帮助他们确定星星和行星相对于地球的位置。当观察者仰望夜空时，他们可以测量一颗星星离天顶的远近，这可以提供关于其高度和可见性的洞察。在实际操作中，“天顶距离”可以通过一个简单的公式计算：如果将天顶角定义为从天顶到物体的角度，那么“天顶距离”就是90度减去天顶角。这种关系对于导航至关重要，尤其是对于需要知道自己相对于地平线和天体位置的水手和飞行员。通过了解特定星星的“天顶距离”，导航员可以准确地绘制他们在海洋或天空中的航线。此外，“天顶距离”在太阳能研究中也起着重要作用。太阳能电池板通常被放置以最大限度地接收阳光，而理解太阳在一年中不同时间的“天顶距离”可以优化其位置和角度调整。例如，在夏至期间，太阳达到较高的天顶，导致较小的“天顶距离”，这意味着太阳能电池板可以捕获更多的直射阳光。相反，在冬至期间，太阳的“天顶距离”增加，电池板可能需要相应调整以保持效率。除了在天文学和太阳能中的应用外，“天顶距离”概念在气象学中也有影响。天气模式可能受到天空中太阳位置的影响，理解“天顶距离”可以帮助气象学家预测一天中的温度变化。例如，当太阳位于天顶时，温度往往达到峰值，理解这种关系可以帮助天气预报。总之，“天顶距离”这一术语涵盖了多个学科的多种应用。从帮助天文学家绘制宇宙地图到协助导航员找到方向，甚至对可再生能源领域的贡献，“天顶距离”的重要性不容小觑。随着技术的不断进步，测量和利用“天顶距离”的方法可能会不断演变，从而在各个领域提供更大的准确性和效率。无论是仰望星空还是利用太阳能，扎实理解“天顶距离”对于做出明智的决策至关重要。