Greenwich hour angle true sun

简明释义

格林尼治真太阳时角

英英释义

例句

1.The astronomer calculated the Greenwich hour angle true sun to determine the exact position of the sun in the sky.

天文学家计算了格林威治小时角真实太阳以确定太阳在天空中的确切位置。

2.Sailors often refer to the Greenwich hour angle true sun when navigating at sea.

水手在海上航行时常常参考格林威治小时角真实太阳。

3.Astronomical observations require precise measurements of the Greenwich hour angle true sun.

天文观测需要对格林威治小时角真实太阳进行精确测量。

4.Understanding the Greenwich hour angle true sun is crucial for accurate solar panel positioning.

理解格林威治小时角真实太阳对准确的太阳能电池板定位至关重要。

5.The Greenwich hour angle true sun helps in calculating the local solar time.

格林威治小时角真实太阳有助于计算当地太阳时间。

作文

The concept of Greenwich hour angle true sun is essential in the field of astronomy and navigation. It refers to the angle between the observer's meridian and the meridian containing the true position of the sun. This angle is measured in degrees, with a full circle being 360 degrees. The Greenwich hour angle true sun is particularly significant because it helps in determining the local solar time at any given location on Earth. Understanding this concept can greatly enhance our ability to navigate and understand celestial movements.In order to grasp the importance of the Greenwich hour angle true sun, it's crucial to comprehend the relationship between time and the position of the sun in the sky. The Earth rotates on its axis, causing the sun to appear to move across the sky. This apparent movement is what we measure using the hour angle. When the sun is directly overhead, the hour angle is zero. As the Earth continues to rotate, the hour angle increases, indicating how far the sun has moved from the observer's meridian.The Greenwich hour angle true sun specifically uses Greenwich Mean Time (GMT) as a reference point. GMT is the mean solar time at the Prime Meridian, which is located at 0 degrees longitude. By using the Greenwich hour angle, navigators and astronomers can calculate the precise position of the sun at any given moment. This is particularly useful for sailors and pilots who rely on accurate timekeeping and positioning to ensure safe travel.Furthermore, the Greenwich hour angle true sun plays a vital role in various applications, such as solar energy collection and astronomical observations. For instance, solar panels need to be oriented correctly to maximize sunlight exposure throughout the day. By understanding the hour angle, engineers can design systems that track the sun's movement, optimizing energy capture.In astronomy, the Greenwich hour angle true sun helps astronomers calculate the positions of celestial bodies in relation to the Earth. This information is crucial for making predictions about celestial events, such as eclipses or planetary alignments. By knowing the hour angle, astronomers can accurately determine when these events will occur, allowing them to plan observations accordingly.In summary, the Greenwich hour angle true sun is a fundamental concept that connects time with the movement of the sun across the sky. It serves as a vital tool for navigation, solar energy optimization, and astronomical observations. Understanding this concept not only enriches our knowledge of celestial mechanics but also enhances our ability to harness the sun's energy and navigate the vast oceans of our planet. As technology continues to advance, the significance of the Greenwich hour angle true sun will undoubtedly grow, paving the way for new discoveries and innovations in both science and industry.

“格林威治时角真太阳”的概念在天文学和导航领域中至关重要。它指的是观察者的子午线与包含太阳真实位置的子午线之间的角度。这个角度以度数为单位进行测量，完整的圆为360度。“格林威治时角真太阳”特别重要，因为它有助于确定地球上任何给定位置的当地太阳时间。理解这一概念可以大大增强我们导航和理解天体运动的能力。为了掌握“格林威治时角真太阳”的重要性，理解时间与太阳在天空中位置之间的关系至关重要。地球围绕其轴旋转，导致太阳在天空中似乎移动。这种表面运动就是我们使用时角来测量的。当太阳正好在头顶时，时角为零。随着地球继续旋转，时角会增加，表示太阳距离观察者的子午线有多远。“格林威治时角真太阳”特别使用格林威治标准时间（GMT）作为参考点。GMT是位于0度经线的本初子午线的平均太阳时间。通过使用格林威治时角，导航员和天文学家可以计算出太阳在任何给定时刻的精确位置。这对于依赖准确时间和定位以确保安全旅行的水手和飞行员尤为重要。此外，“格林威治时角真太阳”在各种应用中发挥着至关重要的作用，例如太阳能收集和天文观测。例如，太阳能电池板需要正确定向以最大限度地提高全天的阳光曝光率。通过理解时角，工程师可以设计追踪太阳运动的系统，从而优化能源捕获。在天文学中，“格林威治时角真太阳”帮助天文学家计算天体相对于地球的位置。这些信息对于预测天文事件（如日食或行星排列）至关重要。通过了解时角，天文学家可以准确地确定这些事件发生的时间，从而使他们能够相应地计划观察。总之，“格林威治时角真太阳”是一个将时间与太阳在天空中的运动联系起来的基本概念。它作为导航、太阳能优化和天文观测的重要工具。理解这一概念不仅丰富了我们对天体力学的知识，还增强了我们利用太阳能量和导航我们星球的广阔海洋的能力。随着技术的不断进步，“格林威治时角真太阳”的重要性无疑将会增长，为科学和工业的新发现和创新铺平道路。