observer's meridian

简明释义

测者子午圈观测者子午线

英英释义

例句

1.When setting up the telescope, it is crucial to align it with the observer's meridian 观测者子午线 for precise measurements.

在设置望远镜时，将其与观测者子午线对齐是至关重要的，以获得精确的测量结果。

2.The astronomer calculated the position of the stars relative to the observer's meridian 观测者子午线 to ensure accurate observations.

天文学家计算了星星相对于观测者子午线的位置信息，以确保观察的准确性。

3.In ancient times, sailors used the observer's meridian 观测者子午线 to find their latitude at sea.

在古代，水手们使用观测者子午线来确定他们在海上的纬度。

4.The time of an astronomical event can be determined by its relation to the observer's meridian 观测者子午线.

天文事件的时间可以通过它与观测者子午线的关系来确定。

5.During the lecture, the professor explained how the observer's meridian 观测者子午线 affects celestial navigation.

在讲座中，教授解释了观测者子午线如何影响天文导航。

作文

The concept of the observer's meridian is fundamental in the fields of astronomy and navigation. It refers to a specific line of longitude that passes through an observer's location on the Earth. This line is crucial for determining the position of celestial bodies in the sky relative to the observer's viewpoint. When we talk about the observer's meridian, we are essentially discussing how time and space intersect at a particular point on the globe. To understand the significance of the observer's meridian, one must first grasp the basics of celestial navigation. Navigators have long relied on the stars to guide their journeys across the oceans. By knowing their position relative to the observer's meridian, they can calculate the altitude of stars and other celestial objects. This method of navigation was vital for explorers during the Age of Discovery, allowing them to traverse vast distances with remarkable accuracy.In modern times, the observer's meridian remains relevant, especially in the context of astronomical observations. Astronomers often use it as a reference point when tracking the movement of planets and stars. For instance, when an astronomer notes the time a star crosses the observer's meridian, they can determine its right ascension, which is essential for locating it in the night sky. The precision of these measurements has greatly improved with the advent of technology, yet the basic principles surrounding the observer's meridian remain unchanged.Moreover, the observer's meridian plays a pivotal role in timekeeping. The concept of local solar time is based on the position of the sun as it crosses the observer's meridian. When the sun is at its highest point in the sky, it is noon for that observer. This relationship between the sun and the observer's meridian is what led to the establishment of time zones across the world. Each time zone is roughly centered around a meridian, allowing for standardized timekeeping that facilitates global communication and travel.In conclusion, the observer's meridian is more than just a geographical concept; it is a vital tool that connects us to the cosmos. Whether for navigation, astronomy, or timekeeping, understanding the observer's meridian enhances our ability to interact with the world around us. As we continue to explore the universe and refine our methods of observation, the importance of this concept will undoubtedly endure, reminding us of our place in the vast expanse of space and time.

“观察者子午线”这一概念在天文学和导航领域中是基础性的。它指的是通过观察者在地球上的位置的特定经线。这条线对于确定天体在天空中相对于观察者的视点的位置至关重要。当我们谈论“观察者子午线”时，实际上是在讨论时间和空间如何在地球上的特定点交汇。要理解“观察者子午线”的重要性，首先必须掌握天文导航的基础知识。航海家们长期以来一直依赖星星来指导他们穿越海洋的旅程。通过知道自己相对于“观察者子午线”的位置，他们可以计算星星和其他天体的高度。这种导航方法对于探索者在发现时代至关重要，使他们能够以令人惊讶的准确性横渡广阔的距离。在现代，“观察者子午线”仍然相关，特别是在天文观测的背景下。天文学家通常将其用作跟踪行星和恒星运动的参考点。例如，当天文学家记录一颗星星穿过“观察者子午线”的时间时，他们可以确定其赤经，这对于在夜空中定位它至关重要。这些测量的精度随着技术的发展而大大提高，但围绕“观察者子午线”的基本原理保持不变。此外，“观察者子午线”在计时中也发挥着关键作用。地方太阳时间的概念基于太阳穿过“观察者子午线”的位置。当太阳在天空中达到最高点时，对于该观察者来说就是中午。这种太阳与“观察者子午线”之间的关系导致了全球范围内时区的建立。每个时区大致围绕一个子午线中心，从而实现了标准化的时间记录，方便了全球的沟通和旅行。总之，“观察者子午线”不仅仅是一个地理概念；它是一个重要的工具，将我们与宇宙连接起来。无论是在导航、天文学还是时间记录方面，理解“观察者子午线”都增强了我们与周围世界互动的能力。随着我们继续探索宇宙并完善我们的观察方法，这一概念的重要性无疑会持续存在，提醒我们在广袤的空间和时间中找到自己的位置。