meridian passage

简明释义

中天天体)中天

英英释义

例句

1.Sailors often used the meridian passage of the sun to determine their latitude at sea.

水手们常常利用太阳的子午线经过来确定他们在海上的纬度。

2.The meridian passage of celestial bodies is an important concept in navigation and astronomy.

天体的子午线经过是导航和天文学中的一个重要概念。

3.During the meridian passage, the sun reaches its highest point in the sky, marking noon.

在子午线经过期间，太阳达到天空中的最高点，标志着正午。

4.In ancient times, people built observatories to track the meridian passage of the sun and stars.

在古代，人们建造天文台来追踪太阳和星星的子午线经过。

5.The astronomer noted the time of the meridian passage for the star, which is crucial for accurate observations.

天文学家记录了这颗星星的子午线经过时间，这对准确观测至关重要。

作文

The concept of meridian passage refers to the moment when a celestial body crosses the local meridian, which is an imaginary line that runs from the North to the South Pole and passes directly overhead. This event is significant in various fields, including astronomy, navigation, and even cultural practices. Understanding the meridian passage can deepen our appreciation for the natural world and enhance our ability to navigate it effectively.In astronomy, the meridian passage of a star or planet is crucial for determining its position in the sky. When a celestial body reaches its highest point in the sky, it is said to be at its culmination, which occurs during its meridian passage. This is the best time to observe the object, as it is least affected by atmospheric distortion and light pollution. For astronomers, knowing when a particular object will undergo its meridian passage allows them to plan their observations accordingly, ensuring they capture the clearest images possible.From a navigation perspective, the meridian passage has historically been vital for sailors and explorers. Before the advent of modern GPS technology, navigators relied on the sun and stars to determine their latitude and longitude. By observing the meridian passage of the sun at noon, sailors could ascertain their position relative to the equator. This method was so reliable that it formed the basis of many maritime navigation techniques used for centuries.Culturally, the meridian passage holds significance in various traditions and rituals. Many ancient civilizations, such as the Mayans and Egyptians, built their temples and monuments aligned with celestial events, including the meridian passage of the sun. These alignments were not merely for aesthetic purposes; they were deeply rooted in the societies' agricultural calendars and spiritual beliefs. The timing of planting and harvesting crops often depended on these celestial events, showcasing the profound connection between humanity and the cosmos.In modern times, the meridian passage continues to be relevant. With the rise of astronomy clubs and citizen science initiatives, amateur astronomers are encouraged to observe celestial events, including the meridian passage, to cultivate a greater understanding of the universe. Additionally, educators use the concept of meridian passage to teach students about the movement of celestial bodies and the importance of observational science.In conclusion, the meridian passage is more than just a technical term; it encapsulates a variety of concepts that bridge science, navigation, and culture. Whether you are an astronomer seeking to observe the night sky, a sailor navigating the seas, or simply someone interested in the rhythms of nature, understanding the meridian passage enriches your experience of the world around you. As we continue to explore our universe, the significance of this phenomenon remains as relevant today as it was in ancient times, reminding us of the intricate connections between ourselves and the cosmos.

“子午线经过”这一概念是指一个天体穿过当地子午线的时刻，子午线是从北极到南极的假想线，正好在头顶上方。这一事件在天文学、导航以及文化实践等多个领域中都是重要的。理解“子午线经过”可以加深我们对自然世界的欣赏，并增强我们有效导航的能力。在天文学中，一个星星或行星的“子午线经过”对于确定其在天空中的位置至关重要。当一个天体达到其最高点时，它被称为其高潮，这发生在其“子午线经过”期间。这是观察该天体的最佳时机，因为它受到大气扭曲和光污染的影响最小。对于天文学家来说，知道特定对象何时会经历“子午线经过”使他们能够相应地规划观察，确保捕捉到尽可能清晰的图像。从导航的角度来看，“子午线经过”在历史上对水手和探险者至关重要。在现代GPS技术出现之前，导航员依靠太阳和星星来确定他们的纬度和经度。通过观察中午太阳的“子午线经过”，水手可以确定他们相对于赤道的位置。这种方法非常可靠，构成了几个世纪以来许多海洋导航技术的基础。在文化上，“子午线经过”在各种传统和仪式中具有重要意义。许多古代文明，如玛雅人和埃及人，建造了与天体事件（包括太阳的“子午线经过”）对齐的庙宇和纪念碑。这些对齐不仅仅是为了美观；它们深深植根于社会的农业日历和精神信仰中。种植和收获作物的时间往往依赖于这些天体事件，展示了人类与宇宙之间的深刻联系。在现代，“子午线经过”仍然相关。随着天文学俱乐部和公民科学倡议的兴起，业余天文学家被鼓励观察天体事件，包括“子午线经过”，以培养对宇宙更深的理解。此外，教育工作者利用“子午线经过”的概念来教学生关于天体运动和观察科学的重要性。总之，“子午线经过”不仅仅是一个技术术语；它包含了连接科学、导航和文化的多种概念。无论你是寻求观察夜空的天文学家，是在海上航行的水手，还是仅仅是对自然节奏感兴趣的人，理解“子午线经过”都会丰富你对周围世界的体验。在我们继续探索宇宙的过程中，这一现象的意义在今天仍然与古代一样相关，提醒我们自己与宇宙之间的复杂联系。