astronomical bearings

简明释义

天文方位

英英释义

例句

1.In astronomy classes, students learn how to calculate astronomical bearings for celestial objects.

在天文学课程中，学生学习如何计算天文方位以定位天体。

2.Using astronomical bearings, the explorers charted their course across the desert.

探险者利用天文方位绘制了穿越沙漠的路线。

3.Surveyors often utilize astronomical bearings to determine land boundaries accurately.

测量员经常利用天文方位来准确确定土地边界。

4.The pilot relied on astronomical bearings to ensure a safe flight path.

飞行员依靠天文方位来确保安全的飞行路线。

5.The sailors used astronomical bearings to navigate the open sea.

水手们使用天文方位来导航开放海域。

作文

In the vast expanse of the universe, navigation has always been a crucial aspect of exploration. The term astronomical bearings refers to the method of determining one's position on Earth by observing celestial bodies such as stars, planets, and the moon. This ancient technique has been used by sailors and explorers for centuries, allowing them to traverse the oceans and discover new lands. Understanding astronomical bearings is not only important for navigators but also for anyone interested in the history of exploration and the science of astronomy.To comprehend how astronomical bearings work, one must first recognize the significance of the celestial sphere. The celestial sphere is an imaginary sphere surrounding the Earth, onto which all celestial objects are projected. By measuring the angles between these objects and the horizon, navigators can determine their latitude and longitude. For instance, when a sailor observes the North Star, they can use its position to ascertain their latitude in the Northern Hemisphere. This method is particularly useful because the North Star remains relatively fixed in the sky, making it a reliable reference point.Moreover, astronomical bearings are not limited to just the North Star. Other celestial bodies, such as the sun and various constellations, can also provide valuable information about one's location. During the day, sailors can use the sun's position to calculate their latitude, while at night, the stars can guide them. This dual reliance on both solar and stellar observations highlights the versatility and importance of astronomical bearings in navigation.The historical context of astronomical bearings is equally fascinating. Many ancient civilizations, such as the Polynesians, mastered the art of celestial navigation long before modern technology emerged. They developed intricate methods to read the stars and the ocean's currents, enabling them to explore vast distances across the Pacific Ocean. Their knowledge was passed down through generations and remains a testament to human ingenuity and adaptability in the face of challenges.In contemporary times, while GPS technology has largely replaced traditional navigation methods, astronomical bearings still hold relevance. Astronomers and navigators continue to rely on these techniques, especially in remote areas where electronic devices may fail. Understanding astronomical bearings offers a deeper appreciation for the skills and knowledge of our ancestors, who navigated the world with nothing but their observations of the heavens.In conclusion, the concept of astronomical bearings encapsulates the intersection of navigation, astronomy, and history. It serves as a reminder of the profound relationship between humanity and the cosmos. As we continue to explore the universe, both physically and intellectually, the principles of astronomical bearings remind us of our roots and the enduring quest for knowledge that defines the human experience. Whether one is a sailor charting a course across the sea or a stargazer pondering the mysteries of the night sky, the understanding of astronomical bearings remains an invaluable asset in our journey through life.

在宇宙的广袤无垠中，导航一直是探索的重要方面。术语天文方位指的是通过观察天体如星星、行星和月亮来确定自己在地球上的位置的方法。这种古老的技术被水手和探险家使用了几个世纪，使他们能够穿越海洋并发现新土地。理解天文方位不仅对导航员很重要，也对任何对探索历史和天文学科学感兴趣的人有意义。要理解天文方位的工作原理，首先必须认识到天球的意义。天球是一个想象中的球体，围绕着地球，所有天体都被投影到这个球体上。通过测量这些天体与地平线之间的角度，导航员可以确定他们的纬度和经度。例如，当水手观察北极星时，他们可以利用其位置来确定在北半球的纬度。这种方法特别有用，因为北极星在天空中相对固定，成为一个可靠的参考点。此外，天文方位不仅限于北极星。其他天体，如太阳和各种星座，也可以提供有关位置的宝贵信息。在白天，水手可以利用太阳的位置来计算他们的纬度，而在夜间，星星则可以指引他们。这种对太阳和星体观察的双重依赖突显了天文方位在导航中的多样性和重要性。天文方位的历史背景同样引人入胜。许多古代文明，如波利尼西亚人，在现代技术出现之前就掌握了天体导航的艺术。他们发展出复杂的方法来解读星星和海洋的潮流，使他们能够跨越太平洋探索广阔的距离。他们的知识代代相传，仍然证明了人类在面对挑战时的聪明才智和适应能力。在当代，尽管GPS技术在很大程度上取代了传统的导航方法，但天文方位仍然具有相关性。天文学家和导航员继续依赖这些技术，特别是在电子设备可能失效的偏远地区。理解天文方位使我们更深刻地欣赏我们的祖先的技能和知识，他们凭借对天空的观察在世界上导航。总之，天文方位的概念囊括了导航、天文学和历史的交汇点。它提醒我们人类与宇宙之间深刻的关系。当我们继续在身体和智力上探索宇宙时，天文方位的原则提醒我们我们的根源，以及定义人类经历的持久知识追求。无论一个人是水手在海上制定航线，还是仰望星空思考夜空的奥秘，对天文方位的理解仍然是我们生活旅程中不可或缺的资产。