hour angle system of coordinate

简明释义

时角坐标系

英英释义

例句

1.The hour angle system of coordinate is particularly useful for astronomers when tracking satellites.

对于天文学家来说，时角坐标系统在追踪卫星时特别有用。

2.The software incorporates an hour angle system of coordinate to help users visualize the movement of celestial bodies.

该软件包含一个时角坐标系统，以帮助用户可视化天体的运动。

3.In celestial navigation, understanding the hour angle system of coordinate is essential for determining your location on Earth.

在天文导航中，理解时角坐标系统对于确定你在地球上的位置至关重要。

4.The astronomer used the hour angle system of coordinate to accurately predict the position of the stars in the night sky.

天文学家使用时角坐标系统来准确预测夜空中星星的位置。

5.When studying the hour angle system of coordinate, students learn how to calculate the time difference between solar noon and local time.

在学习时角坐标系统时，学生们学习如何计算太阳正午与当地时间之间的时间差。

作文

The concept of the hour angle system of coordinate is fundamental in the field of astronomy and navigation. It provides a framework for measuring the position of celestial bodies in relation to the observer’s local time. In simple terms, the hour angle is the measure of time since the last transit of a celestial object across the observer's meridian, expressed in angular measurement (degrees). This system is crucial for astronomers who need to calculate the positions of stars and planets accurately as they move across the sky. To understand the hour angle system of coordinate, we must first grasp what an hour angle is. The Earth rotates 360 degrees in approximately 24 hours, which means it rotates about 15 degrees every hour. Therefore, if a star crosses the meridian at noon, its hour angle is 0 degrees. After one hour, the hour angle would be 15 degrees, indicating that the star has moved westward from the meridian. Conversely, if we consider a star that rises at 6 AM, its hour angle at that time would be -90 degrees, signifying that it is positioned 90 degrees east of the meridian. This system of coordinates is not only useful for tracking celestial movements but also plays a significant role in practical applications such as navigation and timekeeping. For instance, sailors and aviators rely on accurate measurements of celestial positions to determine their location on Earth. By using the hour angle system of coordinate, they can calculate their latitude and longitude based on the position of the sun or stars at a given time. In addition to practical uses, the hour angle system of coordinate also serves as a bridge between time and space. It highlights the relationship between the rotation of the Earth and the apparent motion of celestial objects. Understanding this relationship is essential for various scientific fields, including astrophysics, meteorology, and even climate science. Researchers studying the effects of Earth's rotation on weather patterns must consider the positions of celestial bodies and their corresponding hour angles. Moreover, the hour angle system of coordinate is deeply intertwined with the concept of Universal Time (UT). As the Earth spins, different regions experience daylight and darkness at different times, leading to the creation of time zones. The hour angle helps astronomers convert local time into Universal Time, which is crucial for coordinating observations and data collection across different geographical locations. In conclusion, the hour angle system of coordinate is a vital tool in astronomy and navigation, providing a systematic way to measure the position of celestial bodies in relation to the observer’s local time. Its applications extend beyond theoretical studies, impacting practical navigation, timekeeping, and our understanding of Earth’s dynamics. As we continue to explore the universe and refine our methods of observation, the significance of the hour angle will undoubtedly remain prominent in both scientific and practical realms.

“时角坐标系统”这一概念在天文学和导航领域中至关重要。它提供了一个框架，用于测量天体相对于观察者当地时间的位置。简单来说，时角是自某天体最后一次穿过观察者子午线以来的时间度量，以角度（度）表示。这个系统对于需要准确计算恒星和行星在天空中移动位置的天文学家来说至关重要。要理解“时角坐标系统”，我们必须首先了解什么是时角。地球大约在24小时内旋转360度，这意味着它每小时旋转约15度。因此，如果一颗恒星在中午穿过子午线，它的时角为0度。经过一个小时后，时角将为15度，表明这颗恒星已经向西移动了15度。相反，如果我们考虑一颗在早上6点升起的恒星，那么此时它的时角为-90度，表示它位于子午线以东90度的位置。这个坐标系统不仅对追踪天体运动有用，而且在导航和计时等实际应用中也发挥着重要作用。例如，水手和飞行员依赖于准确的天体位置测量来确定他们在地球上的位置。通过使用“时角坐标系统”，他们可以根据太阳或恒星在给定时间的位置计算出他们的纬度和经度。除了实际用途，“时角坐标系统”还作为时间与空间之间的桥梁。它突显了地球自转与天体表观运动之间的关系。理解这种关系对于多个科学领域至关重要，包括天体物理学、气象学，甚至气候科学。研究地球自转对天气模式影响的研究人员必须考虑天体的位置及其相应的时角。此外，“时角坐标系统”与世界时（UT）概念密切相关。随着地球自转，不同地区在不同时间经历白昼和黑夜，导致时区的形成。时角帮助天文学家将当地时间转换为世界时，这对于协调不同地理位置的观测和数据收集至关重要。总之，“时角坐标系统”是天文学和导航中的重要工具，为测量天体相对于观察者当地时间的位置提供了系统化的方法。它的应用超越了理论研究，对实际导航、计时以及我们对地球动态的理解产生了影响。随着我们继续探索宇宙并完善观察方法，时角的重要性无疑将在科学和实际领域中保持突出。