nautical astronomy

简明释义

航海天文学

英英释义

例句

1.In ancient times, nautical astronomy was the primary method for long-distance navigation.

在古代，海洋天文学是远距离导航的主要方法。

2.Many modern navigational tools are based on principles of nautical astronomy.

许多现代导航工具基于海洋天文学的原理。

3.The captain used nautical astronomy to determine their position at sea during the night.

船长利用海洋天文学在夜间确定他们在海上的位置。

4.Understanding nautical astronomy is essential for anyone looking to become a professional mariner.

理解海洋天文学对任何希望成为专业水手的人来说都是必不可少的。

5.Sailors often rely on nautical astronomy to navigate the seas using the stars.

水手们常常依赖海洋天文学通过星星来导航。

作文

Nautical astronomy is a branch of astronomy that deals with the positions and movements of celestial bodies for the purpose of navigation. Historically, it has played a crucial role in maritime exploration and navigation, allowing sailors to determine their position at sea by observing the stars, planets, and other celestial phenomena. The term itself derives from the Latin word 'nauticus,' meaning 'pertaining to ships or sailors,' and 'astronomy,' which is the study of celestial objects and their movements. nautical astronomy (航海天文学) thus combines these two fields to provide essential tools for navigation on the open waters.In ancient times, sailors relied heavily on their knowledge of the night sky. By learning how to identify constellations and measure angles between celestial bodies, they could navigate vast oceans with remarkable accuracy. For instance, the North Star, or Polaris, has been a key reference point for navigators in the Northern Hemisphere, as it remains relatively fixed in the sky while other stars appear to move. This ability to use the stars for navigation is what makes nautical astronomy (航海天文学) not just a scientific discipline, but also an art form that requires intuition and experience.The development of sextants and chronometers in the 18th century revolutionized nautical astronomy (航海天文学). A sextant allows navigators to measure the angle between a celestial body and the horizon, while a chronometer keeps accurate time, which is crucial for calculating longitude. These instruments enabled sailors to make precise calculations about their position at sea, significantly reducing the risks associated with maritime travel.Despite advancements in technology, such as GPS and digital navigation systems, the principles of nautical astronomy (航海天文学) remain relevant today. Understanding celestial navigation can be invaluable, especially in situations where electronic systems fail or are unavailable. Furthermore, many sailing schools still teach the fundamentals of nautical astronomy (航海天文学) as part of their curriculum, emphasizing the importance of having a solid foundation in traditional navigation techniques.The beauty of nautical astronomy (航海天文学) lies not only in its practical applications but also in its connection to human history and exploration. It represents the ingenuity and bravery of those who ventured into the unknown, guided by the stars. As we look to the future, the principles of nautical astronomy (航海天文学) remind us of our deep-rooted relationship with the cosmos and the natural world. Whether one is a professional mariner or an amateur sailor, the skills learned through nautical astronomy (航海天文学) foster a greater appreciation for the ocean and the universe beyond.In conclusion, nautical astronomy (航海天文学) serves as a bridge between science and art, history and modernity. It encapsulates the essence of human curiosity and exploration, allowing us to navigate not just the seas, but also our place in the universe. As we continue to explore both our planet and beyond, the teachings of nautical astronomy (航海天文学) will undoubtedly remain a vital part of our journey.

航海天文学是一个研究天体位置和运动以进行导航的天文学分支。历史上，它在海洋探索和导航中发挥了至关重要的作用，使水手能够通过观察星星、行星和其他天文现象来确定他们在海上的位置。这个术语本身源于拉丁语单词“nauticus”，意思是“与船或水手有关”，以及“astronomy”，即天体及其运动的研究。因此，nautical astronomy（航海天文学）结合了这两个领域，为海洋航行提供了必要的工具。在古代，水手们非常依赖他们对夜空的知识。通过学习如何识别星座并测量天体之间的角度，他们可以以惊人的准确度在辽阔的海洋中航行。例如，北极星（Polaris）一直是北半球航海者的重要参考点，因为它在天空中相对固定，而其他星星似乎在移动。这种利用星星进行导航的能力使得nautical astronomy（航海天文学）不仅仅是一个科学学科，更是一种需要直觉和经验的艺术形式。18世纪，六分仪和航海时计的发展彻底改变了nautical astronomy（航海天文学）。六分仪允许导航员测量天体与地平线之间的角度，而航海时计保持准确的时间，这对于计算经度至关重要。这些仪器使水手能够精确计算他们在海上的位置，大大减少了海洋旅行相关的风险。尽管技术如GPS和数字导航系统取得了进步，nautical astronomy（航海天文学）的原则今天仍然是相关的。理解天体导航在电子系统失灵或不可用的情况下可能是无价的。此外，许多帆船学校仍将nautical astronomy（航海天文学）的基础知识作为其课程的一部分，强调掌握传统导航技术的重要性。nautical astronomy（航海天文学）的美丽不仅在于其实际应用，还在于它与人类历史和探索的联系。它代表了那些勇敢走向未知的人的聪明才智和勇气，他们在星星的指引下航行。展望未来，nautical astronomy（航海天文学）的原则提醒我们与宇宙和自然世界之间的深厚关系。无论是专业水手还是业余航海者，通过nautical astronomy（航海天文学）所学到的技能都能培养出对海洋和宇宙的更大欣赏。总之，nautical astronomy（航海天文学）作为科学与艺术、历史与现代之间的桥梁，封装了人类好奇心和探索精神的本质，使我们不仅能够航行于海洋，也能够领悟我们在宇宙中的位置。随着我们继续探索我们的星球和宇宙，nautical astronomy（航海天文学）的教义无疑将继续成为我们旅程的重要组成部分。