ecliptic pole

简明释义

黄极

英英释义

The ecliptic pole refers to either of the two points in the celestial sphere where the Earth's axis of rotation, when extended, intersects the plane of the ecliptic, which is the apparent path of the Sun across the sky.

黄道极是指在天球上,地球自转轴延伸后与黄道平面相交的两个点,这个平面是太阳在天空中所经过的表观路径。

例句

1.The position of the stars can be mapped relative to the ecliptic pole (黄道极).

星星的位置可以相对于ecliptic pole (黄道极)进行映射。

2.The ecliptic pole (黄道极) is located 90 degrees from the ecliptic plane.

在黄道面上,ecliptic pole (黄道极)的位置是90度。

3.During the equinox, the sun crosses the ecliptic pole (黄道极) in its apparent motion.

在春分时,太阳在其表观运动中穿过ecliptic pole (黄道极)。

4.Astronomers use the ecliptic pole (黄道极) as a reference point for celestial navigation.

天文学家使用ecliptic pole (黄道极)作为天体导航的参考点。

5.Understanding the ecliptic pole (黄道极) helps in predicting the positions of planets.

理解ecliptic pole (黄道极)有助于预测行星的位置。

作文

The universe is a vast expanse filled with celestial bodies, and understanding their movements is crucial for both astronomers and enthusiasts alike. One of the fundamental concepts in astronomy is the ecliptic plane, which is the imaginary plane that contains the Earth's orbit around the Sun. This plane is not just a flat surface; it extends infinitely into space and serves as a reference point for defining the positions of various celestial objects. At the two points where this plane intersects the celestial sphere, we find the ecliptic poles (黄道极), which are pivotal in understanding the orientation of the solar system. The ecliptic poles (黄道极) are located at coordinates that are perpendicular to the ecliptic plane. Specifically, one pole lies in the northern celestial hemisphere, while the other is situated in the southern hemisphere. These points are not just arbitrary; they provide a framework for mapping the positions of stars, planets, and other celestial phenomena. By knowing the location of the ecliptic poles (黄道极), astronomers can accurately predict the paths of celestial bodies as they move across the night sky. One fascinating aspect of the ecliptic poles (黄道极) is their relationship with the zodiac constellations. The ecliptic plane is divided into twelve sections, each corresponding to a zodiac sign. These signs are based on the position of the Sun relative to the constellations throughout the year. As the Earth orbits the Sun, different zodiac signs become visible during different seasons. Understanding the ecliptic poles (黄道极) helps us grasp why certain constellations appear at specific times, providing insight into ancient astrological practices that have influenced human culture for millennia. Moreover, the ecliptic poles (黄道极) play a significant role in the study of celestial mechanics. They help astronomers calculate the tilt of the Earth's axis and its effects on seasons and climate. The tilt of approximately 23.5 degrees is responsible for the changing seasons as the Earth revolves around the Sun. By observing the positions of celestial objects in relation to the ecliptic poles (黄道极), scientists can better understand the dynamics of our solar system and the forces that govern it. In addition to their scientific importance, the ecliptic poles (黄道极) also hold cultural significance. Many ancient civilizations used the positions of celestial bodies to guide agricultural practices, navigation, and even religious ceremonies. The alignment of structures such as Stonehenge and the pyramids of Egypt with celestial events reflects humanity's long-standing fascination with the cosmos. By studying the ecliptic poles (黄道极) and their connection to these events, we gain a deeper appreciation for how our ancestors perceived the universe. In conclusion, the ecliptic poles (黄道极) are more than just points in space; they are integral to our understanding of the universe. They help astronomers track celestial movements, explain seasonal changes, and connect us to our cultural heritage. As we continue to explore the cosmos, the significance of the ecliptic poles (黄道极) will undoubtedly remain a cornerstone in the field of astronomy, guiding future discoveries and inspiring generations to come.

宇宙是一个浩瀚的空间,充满了天体,理解它们的运动对于天文学家和爱好者来说至关重要。天文学中的一个基本概念是黄道平面,这是一个包含地球绕太阳轨道的虚拟平面。这个平面不仅仅是一个平坦的表面;它无限延伸到太空,并作为定义各种天体位置的参考点。在这个平面与天球相交的两个点上,我们找到了黄道极,这对于理解太阳系的方向至关重要。黄道极位于与黄道平面垂直的坐标上。具体而言,一个极位于北天球,而另一个则位于南天球。这些点并不是随意的;它们为绘制恒星、行星和其他天体现象的位置提供了框架。通过了解黄道极的位置,天文学家可以准确预测天体在夜空中的运动路径。黄道极的一个迷人之处在于它与黄道星座之间的关系。黄道平面被划分为十二个部分,每个部分对应一个黄道星座。这些星座是基于太阳相对于一年中不同时间的星座位置。当地球绕太阳公转时,不同的黄道星座在不同的季节变得可见。理解黄道极有助于我们理解为什么某些星座在特定时间出现,从而提供了对影响人类文化数千年的古代占星术实践的洞察。此外,黄道极在天体力学研究中也起着重要作用。它们帮助天文学家计算地球轴的倾斜度及其对季节和气候的影响。大约23.5度的倾斜负责地球围绕太阳旋转时季节的变化。通过观察天体相对于黄道极的位置,科学家可以更好地理解我们太阳系的动力学及其支配的力量。除了科学重要性,黄道极还具有文化意义。许多古代文明利用天体的位置来指导农业实践、导航,甚至宗教仪式。像巨石阵和埃及金字塔这样的建筑物与天体事件的对齐反映了人类对宇宙的长期迷恋。通过研究黄道极及其与这些事件的联系,我们更加欣赏我们的祖先如何看待宇宙。总之,黄道极不仅仅是空间中的点;它们是我们理解宇宙的关键。它们帮助天文学家追踪天体运动,解释季节变化,并将我们与文化遗产联系起来。随着我们继续探索宇宙,黄道极的重要性无疑将继续成为天文学领域的基石,指导未来的发现,并激励未来几代人。

相关单词

ecliptic

ecliptic详解:怎么读、什么意思、用法