celestial meridian

简明释义

天体子午线

英英释义

例句

1.The astronomer pointed out that the stars would cross the celestial meridian (天体子午线) at midnight.

天文学家指出，星星将在午夜时分穿过celestial meridian (天体子午线)。

2.In ancient cultures, the celestial meridian (天体子午线) was often associated with important rituals and ceremonies.

在古代文化中，celestial meridian (天体子午线)通常与重要的仪式和典礼有关联。

3.The observatory is strategically located so that it aligns perfectly with the celestial meridian (天体子午线).

天文台的位置经过精心选择，以便与celestial meridian (天体子午线)完美对齐。

4.Navigators use the concept of the celestial meridian (天体子午线) to determine their longitude at sea.

航海者利用celestial meridian (天体子午线)的概念来确定他们在海上的经度。

5.During the equinox, the sun rises exactly in the east and sets in the west along the celestial meridian (天体子午线).

在春分和秋分时，太阳正好从东边升起，西边落下，沿着celestial meridian (天体子午线)。

作文

The concept of the celestial meridian is fundamental in the field of astronomy and navigation. It refers to an imaginary line that runs from the North Pole to the South Pole, passing directly overhead at any given location on Earth. The celestial meridian serves as a reference point for measuring the position of celestial bodies in the sky. Understanding this concept is essential for astronomers, navigators, and even casual stargazers who wish to comprehend the movements of stars and planets.The celestial meridian is closely related to the idea of local noon, which occurs when the sun is at its highest point in the sky. At this moment, the sun crosses the celestial meridian, marking a significant time for both timekeeping and navigation. This crossing can be observed daily and serves as a reminder of the sun's apparent motion across the sky. For ancient civilizations, this was a critical moment for agriculture and daily activities, as they relied heavily on solar positions for their schedules.In addition to practical applications, the celestial meridian also has philosophical implications. It symbolizes the connection between the earth and the heavens, bridging the gap between human experience and the vast universe. This connection has been a source of inspiration for countless cultures throughout history, leading to the development of various astronomical practices and beliefs. For instance, many ancient cultures built monuments and observatories aligned with the celestial meridian to track celestial events and mark important dates in their calendars.Moreover, the celestial meridian plays a significant role in modern astronomy. Astronomers use it as a reference point to locate stars and other celestial objects. By understanding where a star is in relation to the celestial meridian, they can determine its altitude and azimuth, which are crucial for telescopic observations. This knowledge allows astronomers to predict the visibility of celestial events, such as eclipses and meteor showers, enhancing our understanding of the universe.The importance of the celestial meridian extends beyond astronomy; it also influences navigation. Sailors and aviators utilize the concept to chart their courses accurately. By knowing their position concerning the celestial meridian, they can determine their latitude and longitude, which are essential for safe travel. In the age of GPS, while technology has advanced significantly, the foundational principles rooted in the celestial meridian remain relevant.In conclusion, the celestial meridian is more than just an abstract concept; it is a vital tool that connects us to the cosmos. From ancient practices to modern science, it has shaped our understanding of time, navigation, and our place in the universe. By studying the celestial meridian, we not only enhance our knowledge of astronomy but also deepen our appreciation for the intricate relationship between Earth and the heavens. As we continue to explore the universe, the celestial meridian will undoubtedly remain a cornerstone of our cosmic journey.

“天文子午线”这一概念在天文学和导航领域中至关重要。它指的是一条从北极到南极的虚拟线，直接穿过地球上任何给定位置的正上方。“天文子午线”作为测量天空中天体位置的参考点。理解这一概念对于天文学家、导航员甚至希望理解星星和行星运动的普通观星者而言都是必不可少的。“天文子午线”与当地正午的概念密切相关，当太阳在天空中达到最高点时，这一时刻就发生了。在这个时刻，太阳穿过“天文子午线”，标志着时间和导航的重要时刻。这一交叉可以每日观察到，并提醒人们太阳在天空中的明显运动。对于古代文明来说，这是农业和日常活动的关键时刻，因为他们在日程安排上严重依赖太阳的位置。除了实用应用外，“天文子午线”还具有哲学意义。它象征着地球与天空之间的联系，架起了人类经验与浩瀚宇宙之间的桥梁。这种联系在历史上激励了无数文化，导致了各种天文实践和信仰的发展。例如，许多古代文化建造了与“天文子午线”对齐的纪念碑和天文台，以跟踪天文事件并标记他们日历中的重要日期。此外，“天文子午线”在现代天文学中也发挥着重要作用。天文学家将其作为定位恒星和其他天体的参考点。通过理解某颗恒星相对于“天文子午线”的位置，他们可以确定其高度和方位，这对于望远镜观察至关重要。这种知识使天文学家能够预测天文事件的可见性，例如日食和流星雨，从而增强我们对宇宙的理解。“天文子午线”的重要性不仅限于天文学；它也影响导航。水手和飞行员利用这一概念准确绘制航线。通过了解自己相对于“天文子午线”的位置，他们可以确定自己的纬度和经度，这对于安全旅行至关重要。在GPS时代，尽管技术已经显著进步，但根植于“天文子午线”的基础原则仍然相关。总之，“天文子午线”不仅仅是一个抽象概念；它是一个将我们与宇宙连接起来的重要工具。从古代实践到现代科学，它塑造了我们对时间、导航和我们在宇宙中位置的理解。通过研究“天文子午线”，我们不仅增强了对天文学的知识，还加深了对地球与天空之间微妙关系的欣赏。随着我们继续探索宇宙，“天文子午线”无疑将继续成为我们宇宙旅程的基石。