observer's meridian

简明释义

测者子午圈

英英释义

The observer's meridian is an imaginary line on the celestial sphere that passes through the observer's zenith and the celestial poles, representing the local vertical direction at a specific location.

观察者的子午线是一个在天球上的虚构线,它通过观察者的天顶和天极,表示特定位置的局部垂直方向。

例句

1.The observer's meridian (观测者的子午线) is used in navigation to calculate the local time based on the position of the sun.

在导航中,使用观测者的子午线观测者的子午线)来根据太阳的位置计算当地时间。

2.During the equinox, the sun crosses the observer's meridian (观测者的子午线) at noon, marking the beginning of spring.

在春分时,太阳在中午穿过观测者的子午线观测者的子午线),标志着春天的开始。

3.The astronomer noted the position of the star relative to the observer's meridian (观测者的子午线) to determine its transit time.

天文学家记录了星星相对于观测者的子午线观测者的子午线)的位置,以确定其经过时间。

4.When using a telescope, it is crucial to align it with the observer's meridian (观测者的子午线) for accurate celestial observations.

在使用望远镜时,正确对准观测者的子午线观测者的子午线)对于精确的天体观察至关重要。

5.To accurately track satellites, engineers must consider the observer's meridian (观测者的子午线) in their calculations.

为了准确跟踪卫星,工程师们在计算中必须考虑观测者的子午线观测者的子午线)。

作文

The concept of the observer's 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 through a specific observer's location on the Earth's surface. This line is crucial for determining local time and for various astronomical observations. When we think about how celestial bodies move across the sky, the observer's meridian acts as a reference point for measuring their positions at any given moment.Every observer has their own unique observer's meridian, which is determined by their geographic coordinates. For instance, if you are standing on the equator, your observer's meridian will be at 0 degrees longitude, while someone standing in London would have theirs at approximately 0 degrees, and someone in Beijing would be at around 116 degrees east longitude. This distinction is vital because it affects how we perceive the movement of the sun and stars throughout the day.In practical terms, the observer's meridian helps astronomers and navigators calculate the altitude of celestial objects above the horizon. By knowing the position of these objects relative to the observer's meridian, they can determine when certain stars will rise or set, which is essential for both navigation and for timing observations. For example, when a star crosses the observer's meridian, it is at its highest point in the sky, making it an ideal time for observation.The observer's meridian also plays a critical role in the development of timekeeping systems. Historically, the establishment of standard time zones was influenced by the position of the observer's meridian. Each time zone is generally centered around a specific meridian, and local noon occurs when the sun is at its highest point along that observer's meridian. This system allows for synchronized timekeeping across vast distances, which is essential for modern communication and travel.Moreover, the observer's meridian is not only significant in astronomy but also serves as a metaphorical concept in various fields. In philosophy and psychology, the idea of having a personal 'meridian' can symbolize one's own perspective or point of view in life. Just as the observer's meridian influences how we see the cosmos, our individual experiences shape how we interpret the world around us.In conclusion, the observer's meridian is more than just a line on a map; it represents a vital tool for understanding our relationship with the universe. From aiding in navigation to influencing the way we measure time, its implications reach far beyond the realm of astronomy. As we continue to explore the cosmos, the importance of the observer's meridian remains a cornerstone of our quest for knowledge and understanding. By recognizing its significance, we can better appreciate the intricate connections between our observations of the night sky and the practical applications that arise from them.

“观察者经线”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,直接穿过地球表面上特定观察者的位置。这条线对于确定当地时间和进行各种天文观测是至关重要的。当我们思考天体如何在天空中移动时,“观察者经线”作为测量它们在任何给定时刻位置的参考点。每个观察者都有自己独特的“观察者经线”,其由他们的地理坐标决定。例如,如果你站在赤道上,你的“观察者经线”将在零度经线,而站在伦敦的人则大约在零度,位于北京的人则在大约116度东经。这种区别至关重要,因为它影响我们对太阳和星星在一天中运动的感知。在实际应用中,“观察者经线”帮助天文学家和导航员计算天体在地平线上方的高度。通过了解这些天体相对于“观察者经线”的位置,他们可以确定某些星星何时升起或落下,这对导航和观测时间至关重要。例如,当一颗星星穿过“观察者经线”时,它正处于天空中的最高点,这使得此时成为观察的理想时机。“观察者经线”在时间计量系统的发展中也发挥了关键作用。历史上,标准时区的建立受到“观察者经线”位置的影响。每个时区通常围绕特定的经线居中,而当地正午发生在太阳在该“观察者经线”上的最高点时。这一系统使得跨越广阔距离的时间同步成为可能,这对现代通信和旅行至关重要。此外,“观察者经线”不仅在天文学中具有重要意义,还在各个领域中作为一个隐喻概念。在哲学和心理学中,拥有个人“经线”的想法可以象征一个人在生活中的视角或观点。正如“观察者经线”影响我们看待宇宙的方式一样,我们的个人经历塑造了我们对周围世界的解读。总之,“观察者经线”不仅仅是一张地图上的一条线;它代表了理解我们与宇宙关系的重要工具。从帮助导航到影响我们测量时间的方式,它的影响远远超出了天文学的范围。随着我们继续探索宇宙,“观察者经线”的重要性仍然是我们追求知识和理解的基石。通过认识到它的意义,我们可以更好地欣赏我们对夜空的观察与由此产生的实际应用之间的复杂联系。

相关单词

meridian

meridian详解:怎么读、什么意思、用法