ecliptic longitude

简明释义

黄经

英英释义

例句

1.The ecliptic longitude of the Sun changes daily as it moves along its path in the sky.

太阳的黄道经度每天都会变化，因为它在天空中沿着轨迹移动。

2.The position of a planet can be described using its ecliptic longitude, which is the angle measured from the vernal equinox along the ecliptic plane.

行星的位置可以通过其黄道经度来描述，黄道经度是从春分点沿黄道平面测量的角度。

3.In astrology, a person's ecliptic longitude at the time of their birth is believed to influence their personality.

在占星术中，一个人在出生时的黄道经度被认为会影响他们的个性。

4.To determine the location of a star, you need to know its ecliptic longitude and ecliptic latitude.

要确定恒星的位置，你需要知道它的黄道经度和黄道纬度。

5.Astronomers often use ecliptic longitude to calculate the orbits of celestial bodies in the solar system.

天文学家常常使用黄道经度来计算太阳系中天体的轨道。

作文

The concept of ecliptic longitude is fundamental in the field of astronomy and celestial navigation. It refers to the angular measurement along the ecliptic plane, which is the apparent path that the Sun traces through the stars over the course of a year. This path is crucial for understanding the positions of celestial bodies relative to the Earth. The ecliptic longitude is measured in degrees, with the point of vernal equinox defined as 0 degrees. As we move eastward along the ecliptic, the angle increases up to 360 degrees, completing a full circle. Understanding ecliptic longitude is essential for astronomers when they calculate the positions of planets and other celestial objects. For instance, the orbits of planets are often described in terms of their ecliptic longitude, which allows astronomers to predict where these objects will be at any given time. This measurement is particularly useful because it accounts for the tilt of the Earth's axis and the elliptical shape of planetary orbits. In addition to its use in astronomy, ecliptic longitude also plays a role in astrology, where the position of celestial bodies is believed to influence human affairs. Astrologers utilize ecliptic longitude to create horoscopes, interpreting the significance of the positions of planets at the time of an individual's birth. While astrology is not scientifically validated, it highlights how the concept of ecliptic longitude permeates various aspects of culture and belief systems. The calculation of ecliptic longitude involves several steps. First, one must determine the position of the celestial object in relation to the Sun. This is done by measuring the angle between the object and the Sun from the perspective of the Earth. Once this angle is established, it can be converted into ecliptic longitude by taking into account the position of the vernal equinox. This process requires precise measurements and calculations, often facilitated by modern technology such as telescopes and computer software. Moreover, ecliptic longitude is not static; it changes over time due to the precession of the equinoxes and the gravitational influences of other celestial bodies. This dynamic nature means that astronomers must continually update their models and calculations to maintain accuracy in their observations and predictions. Understanding the nuances of ecliptic longitude is thus an ongoing process that combines both theoretical knowledge and practical application. In conclusion, the term ecliptic longitude encompasses a vital aspect of celestial mechanics and navigation. Its implications stretch far beyond mere measurements; it serves as a bridge connecting the scientific study of the cosmos with cultural interpretations of our place within it. By mastering the concept of ecliptic longitude, one gains insight into the intricate dance of celestial bodies and their relevance to both science and society. Whether one approaches it from an astronomical or astrological perspective, ecliptic longitude remains a key element in our understanding of the universe.

“黄道经度”这一概念在天文学和天体导航领域中是基础性的。它指的是沿着黄道平面的角度测量，黄道是太阳在一年中穿过星星的表观路径。这个路径对于理解天体相对于地球的位置至关重要。“黄道经度”以度为单位进行测量，春分点定义为0度。当我们沿着黄道向东移动时，角度增加到360度，完成一个完整的圆圈。理解“黄道经度”对于天文学家计算行星和其他天体的位置是必不可少的。例如，行星的轨道通常用它们的“黄道经度”来描述，这使天文学家能够预测这些天体在任何给定时间的位置。这一测量方法特别有用，因为它考虑到了地球轴的倾斜和行星轨道的椭圆形状。除了在天文学中的应用外，“黄道经度”在占星术中也发挥着作用，占星家相信天体的位置会影响人类事务。占星家利用“黄道经度”来创建星座图，解释行星在个人出生时的位置的重要性。尽管占星术没有科学验证，但它突显了“黄道经度”这一概念如何渗透到文化和信仰体系的各个方面。“黄道经度”的计算涉及几个步骤。首先，必须确定天体相对于太阳的位置。这是通过从地球的角度测量天体与太阳之间的角度来完成的。一旦确定了这个角度，就可以通过考虑春分点的位置将其转换为“黄道经度”。这个过程需要精确的测量和计算，通常借助现代技术如望远镜和计算机软件来实现。此外，“黄道经度”并不是静态的；由于春分点的岁差和其他天体的引力影响，它会随着时间而变化。这种动态特性意味着天文学家必须不断更新他们的模型和计算，以保持观察和预测的准确性。因此，理解“黄道经度”的细微差别是一个结合理论知识和实践应用的持续过程。总之，“黄道经度”这一术语涵盖了天体力学和导航的一个重要方面。它的影响远不止于简单的测量；它作为连接宇宙科学研究与我们在其中位置的文化解释的桥梁。通过掌握“黄道经度”这一概念，人们可以深入了解天体的复杂运动及其在科学和社会中的相关性。无论是从天文学还是占星术的角度来看，“黄道经度”仍然是我们理解宇宙的关键要素。