meridian transit

简明释义

中天

英英释义

例句

1.The satellite's meridian transit is crucial for accurate data collection.

卫星的子午线过境对准确的数据收集至关重要。

2.The meridian transit of Venus was a rare astronomical event that attracted many observers.

金星的子午线过境是一个罕见的天文事件，吸引了许多观察者。

3.During the meridian transit, the sun reaches its highest point in the sky.

在子午线过境时，太阳到达天空中的最高点。

4.Farmers often plan their activities around the meridian transit of the sun.

农民常常根据太阳的子午线过境来规划他们的活动。

5.The astronomer noted the time of the meridian transit to calculate the star's position.

天文学家记录了子午线过境的时间，以计算星星的位置。

作文

The concept of meridian transit refers to the moment when a celestial body, such as a star or planet, crosses the local meridian. This is an important event in astronomy and navigation, as it marks the highest point that the celestial body reaches in the sky at a given location. Understanding meridian transit is crucial for astronomers and navigators alike, as it helps them determine time and position accurately.In ancient times, sailors relied heavily on the stars for navigation. They would observe the night sky and note when certain stars reached their highest point, or meridian transit. By doing this, they could estimate their latitude and longitude. The ability to track the meridian transit of stars was essential for safe passage across vast oceans. As technology advanced, so did our understanding of this phenomenon. Today, we have sophisticated instruments that allow us to calculate the exact time of meridian transit for various celestial bodies.In addition to its significance in navigation, meridian transit also plays a vital role in the field of astronomy. Astronomers use this event to gather data about celestial objects. For example, when a planet transits the meridian, it can be observed with great detail, allowing scientists to study its atmosphere and composition. This information is invaluable for understanding the nature of planets within our solar system and beyond.Furthermore, the meridian transit can also be related to the concept of timekeeping. Before the invention of accurate clocks, people used the position of the sun in the sky to tell time. The sun's highest point in the sky, known as solar noon, corresponds to its meridian transit. This natural clock was crucial for agricultural societies, as it helped them plan their daily activities based on the sunlight available.In modern times, the importance of meridian transit extends beyond navigation and astronomy. It has applications in various fields, including meteorology and satellite communication. For instance, meteorologists may analyze the meridian transit of satellites to improve weather forecasting models. By understanding how satellites move across the sky, they can provide more accurate predictions of weather patterns.In conclusion, the term meridian transit encapsulates a significant astronomical event that has historical and contemporary relevance. From ancient navigation to modern scientific research, understanding meridian transit allows us to connect with the cosmos in profound ways. As we continue to explore the universe, the knowledge gained from observing meridian transit will undoubtedly contribute to our understanding of celestial mechanics and the intricate dance of the heavens above us.

“子午线过境”这一概念是指天体（如星星或行星）穿越当地子午线的时刻。这在天文学和导航中是一个重要事件，因为它标志着天体在特定地点到达天空最高点的时刻。理解“子午线过境”对天文学家和导航员来说至关重要，因为它帮助他们准确地确定时间和位置。在古代，水手们在航行中非常依赖星星。他们会观察夜空，并记录某些星星何时达到最高点，即“子午线过境”。通过这样做，他们可以估算自己的纬度和经度。跟踪星星的“子午线过境”的能力对于安全穿越广阔的海洋至关重要。随着技术的发展，我们对这一现象的理解也在不断深化。如今，我们拥有先进的仪器，可以计算各种天体的“子午线过境”的确切时间。除了在导航中的重要性，“子午线过境”在天文学领域也起着至关重要的作用。天文学家利用这一事件收集关于天体的数据。例如，当一颗行星经过子午线时，可以进行详细观察，从而使科学家研究其大气和成分。这些信息对于理解我们太阳系及其外部行星的本质是无价的。此外，“子午线过境”还与计时的概念有关。在准确时钟发明之前，人们使用太阳在天空中的位置来报时。太阳在天空中的最高点，即太阳正午，对应于其“子午线过境”。这一自然时钟对于农业社会至关重要，因为它帮助人们根据可用的阳光规划日常活动。在现代，“子午线过境”的重要性超出了导航和天文学的范围。它在气象学和卫星通信等多个领域都有应用。例如，气象学家可能会分析卫星的“子午线过境”以改善天气预报模型。通过了解卫星如何在天空中移动，他们可以提供更准确的天气模式预测。总之，“子午线过境”这个术语涵盖了一个重要的天文事件，具有历史和当代的相关性。从古代导航到现代科学研究，理解“子午线过境”使我们能够以深刻的方式与宇宙相连接。随着我们继续探索宇宙，从观察“子午线过境”中获得的知识无疑将有助于我们理解天体力学和我们头顶上天空的复杂舞蹈。