local hour angle of aries

简明释义

春分点的地方时角

英英释义

例句

1.By knowing the local hour angle of aries, astronomers can track the movement of planets more accurately.

通过知道白羊座的地方时角，天文学家可以更准确地追踪行星的运动。

2.To accurately predict star visibility, one must consider the local hour angle of aries during the observation.

为了准确预测星星的可见性，观察时必须考虑白羊座的地方时角。

3.The local hour angle of aries is essential for navigators using celestial navigation techniques.

对于使用天文导航技术的航海者来说，白羊座的地方时角是必不可少的。

4.The astronomer calculated the local hour angle of aries to determine the position of celestial objects in the night sky.

天文学家计算了白羊座的地方时角以确定夜空中天体的位置。

5.During the lecture, the professor explained how the local hour angle of aries affects astronomical calculations.

在讲座中，教授解释了白羊座的地方时角如何影响天文计算。

作文

Understanding the concept of the local hour angle of Aries is essential for anyone interested in astronomy and celestial navigation. The local hour angle of Aries refers to the angular distance measured westward along the celestial equator from the observer's local meridian to the hour circle of the vernal equinox, which is represented by the constellation Aries. This concept is crucial for determining the position of celestial objects in the sky at any given time. To grasp the significance of the local hour angle of Aries, one must first understand some basic astronomical terms. The celestial sphere is an imaginary sphere that surrounds the Earth, onto which all celestial bodies are projected. The celestial equator is the projection of the Earth's equator onto this sphere. The vernal equinox is one of the two points where the celestial equator intersects the ecliptic, the apparent path of the Sun across the sky. Aries, being the first sign of the zodiac, marks this point in the sky. The local hour angle of Aries is measured in hours, minutes, and seconds and is calculated based on the time since the vernal equinox crossed the local meridian. When the local hour angle of Aries is zero, it indicates that the vernal equinox is directly overhead at the observer's location. As time progresses, this angle increases, reflecting the movement of the Earth as it rotates on its axis. For navigators and astronomers, knowing the local hour angle of Aries is vital for accurately locating stars and other celestial objects. By calculating this angle, one can determine the time it takes for a star to rise or set, which is critical for navigation at sea or for stargazing. Moreover, the local hour angle of Aries helps in converting between sidereal time and solar time, providing a framework for understanding the positions of celestial bodies relative to both the Earth and the observer's local horizon. In practical terms, if an astronomer wishes to observe a particular star, they must know the local hour angle of Aries at the time of observation. This information allows them to adjust their telescopes accordingly and ensure they are pointing in the right direction. Additionally, many modern astronomical software programs incorporate the local hour angle of Aries into their calculations, allowing users to easily find celestial objects based on their geographical location and the current date and time. In conclusion, the local hour angle of Aries is a fundamental concept in astronomy that plays a crucial role in celestial navigation and the observation of celestial bodies. By understanding this concept, individuals can enhance their knowledge of the night sky and improve their skills in navigation and astronomy. Whether you are a seasoned astronomer or a beginner, mastering the local hour angle of Aries will undoubtedly enrich your experience of exploring the universe around us.

理解白羊座的地方时角这一概念对于任何对天文学和天体导航感兴趣的人来说都是至关重要的。白羊座的地方时角是指从观察者的地方子午线向西测量到春分点的小时圆的角距离，这个春分点由白羊座星座表示。这个概念对于确定在任何给定时间天体在天空中的位置至关重要。要掌握白羊座的地方时角的重要性，首先必须了解一些基本的天文学术语。天球是一个想象中的球体，围绕着地球，所有天体都投影到这个球体上。天球赤道是地球赤道投影到这个球体上的结果。春分点是天球赤道与黄道交叉的两个点之一，黄道是太阳在天空中的显现路径。白羊座作为黄道的第一个星座，标志着天空中的这一点。白羊座的地方时角以小时、分钟和秒为单位进行测量，并根据春分点穿过地方子午线的时间来计算。当白羊座的地方时角为零时，表示春分点正好在观察者的位置的正上方。随着时间的推移，这个角度会增加，反映出地球自转时的运动。对于导航员和天文学家来说，了解白羊座的地方时角对于准确定位星星和其他天体至关重要。通过计算这个角度，可以确定一颗星星升起或落下所需的时间，这对于海上导航或观星至关重要。此外，白羊座的地方时角有助于在恒星时间和太阳时间之间进行转换，为理解天体相对于地球和观察者的地方地平线的位置提供了框架。在实际操作中，如果一位天文学家希望观察某颗特定的星星，他们必须知道观察时的白羊座的地方时角。这些信息使他们能够相应地调整望远镜，确保指向正确的方向。此外，许多现代天文软件程序将白羊座的地方时角纳入其计算中，使用户能够根据其地理位置以及当前日期和时间轻松找到天体。总之，白羊座的地方时角是天文学中的一个基本概念，在天体导航和观察天体中扮演着至关重要的角色。通过理解这一概念，个人可以增强他们对夜空的认识，提高他们在导航和天文学方面的技能。无论你是一位经验丰富的天文学家还是初学者，掌握白羊座的地方时角无疑会丰富你探索我们周围宇宙的体验。