meridian observation

简明释义

中天观测

英英释义

例句

1.The astronomer used meridian observation 子午线观测 to calculate the position of the sun at noon.

天文学家使用meridian observation 子午线观测来计算正午时太阳的位置。

2.In our geography project, we included a section on meridian observation 子午线观测 and its significance in timekeeping.

在我们的地理项目中，我们包括了一部分关于meridian observation 子午线观测及其在时间测量中的重要性。

3.For accurate navigation, sailors often performed a meridian observation 子午线观测 when they reached a certain latitude.

为了精确导航，水手们通常在达到某一纬度时进行meridian observation 子午线观测。

4.The ancient navigators relied on meridian observation 子午线观测 to chart their courses accurately across the seas.

古代航海者依靠meridian observation 子午线观测来准确绘制他们的航线。

5.During the astronomy class, we learned how to conduct a meridian observation 子午线观测 to determine the altitude of celestial bodies.

在天文学课上，我们学习了如何进行meridian observation 子午线观测来确定天体的高度。

作文

The concept of meridian observation is deeply rooted in the history of astronomy and navigation. It refers to the practice of measuring the position of celestial bodies when they cross the local meridian, which is an imaginary line that runs from the North Pole to the South Pole, passing directly overhead at a given location. This technique has been crucial for determining time and geographical positions throughout history.Historically, meridian observation was essential for sailors who relied on celestial navigation. Before the advent of modern technology, mariners used the stars to guide their journeys across vast oceans. By observing the sun or stars at noon—when they are at their highest point in the sky—navigators could ascertain their latitude. This was accomplished by measuring the angle of the sun above the horizon, which would provide them with the necessary information to plot their course.In addition to its significance in navigation, meridian observation played a pivotal role in the development of timekeeping. The establishment of standard time zones can be traced back to the need for accurate timekeeping based on the position of the sun. By using meridian observation, astronomers were able to create precise clocks that could indicate the time of day based on the sun’s position in the sky. This advancement laid the groundwork for the modern timekeeping systems we use today.Moreover, meridian observation has implications in various scientific fields. For example, in astronomy, it is used to track the movements of planets and stars. By understanding their positions relative to the meridian, astronomers can gather data that contributes to our knowledge of the universe. This practice also aids in the calibration of telescopes and other observational instruments, ensuring that they are aligned correctly for accurate measurements.In contemporary times, while we may rely on GPS and other advanced technologies for navigation, the principles behind meridian observation still hold value. Understanding these concepts enriches our knowledge of how ancient civilizations navigated and measured time, showcasing human ingenuity and the quest for exploration. Furthermore, it highlights the importance of celestial bodies in shaping our understanding of the world around us.In conclusion, meridian observation is not just a historical practice; it is a fundamental aspect of astronomy and navigation that has evolved over centuries. Its applications extend beyond mere timekeeping and navigation, influencing various scientific disciplines. By studying this concept, we gain insight into the relationship between humanity and the cosmos, as well as the remarkable advancements that have stemmed from our desire to explore and understand the universe. As we move forward into an age dominated by technology, the principles of meridian observation remind us of our roots and the timeless quest for knowledge that defines the human experience.

“子午线观测”的概念深深植根于天文学和导航的历史中。它指的是在天体越过当地子午线时测量其位置的实践，子午线是从北极到南极的想象线，在给定位置正好在头顶上方。这种技术在历史上对于确定时间和地理位置至关重要。在历史上，“子午线观测”对于依赖天体导航的水手来说至关重要。在现代技术出现之前，航海者依靠星星来引导他们穿越广阔的海洋。通过在中午观察太阳或星星——当它们在天空中达到最高点时——导航者可以确定他们的纬度。这是通过测量太阳在地平线上方的角度来实现的，这将为他们提供必要的信息，以绘制航线。除了在导航中的重要性外，“子午线观测”在时间测量的发展中也发挥了关键作用。标准时区的建立可以追溯到基于太阳位置的准确时间测量的需要。通过使用“子午线观测”，天文学家能够创建精确的时钟，可以根据太阳在天空中的位置指示一天的时间。这一进步为我们今天使用的现代时间测量系统奠定了基础。此外，“子午线观测”在各个科学领域都有应用。例如，在天文学中，它被用来跟踪行星和恒星的运动。通过理解它们相对于子午线的位置，天文学家可以收集有助于我们对宇宙知识的数据。这种做法还帮助校准望远镜和其他观测仪器，确保它们正确对齐以进行准确测量。在当今时代，虽然我们可能依赖GPS和其他先进技术进行导航，但“子午线观测”的原则仍然具有价值。理解这些概念丰富了我们对古代文明如何导航和测量时间的知识，展示了人类的智慧和探索的渴望。此外，它突显了天体在塑造我们对周围世界理解中的重要性。总之，“子午线观测”不仅仅是一种历史实践；它是天文学和导航的一个基本方面，经过几个世纪的发展。它的应用超越了单纯的时间测量和导航，影响了各种科学学科。通过研究这一概念，我们获得了人类与宇宙之间关系的深入见解，以及源于我们探索和理解宇宙愿望的显著进步。当我们迈向一个以技术为主导的时代时，“子午线观测”的原则提醒我们我们的根源以及定义人类经历的永恒知识追求。