navigation star

简明释义

航海用恒星

英英释义

例句

1.Sailors have relied on the navigation star 导航星 for centuries to find their way across the open sea.

水手们几个世纪以来一直依靠导航星 navigation star在公海上找到方向。

2.In ancient times, the navigation star 导航星 was crucial for explorers to chart new territories.

在古代，导航星 navigation star对探险家绘制新领土至关重要。

3.During a camping trip, we used a navigation star 导航星 to guide us back to our campsite at night.

在一次露营旅行中，我们用导航星 navigation star在夜间引导我们回到营地。

4.The navigation star 导航星 serves as a reliable point of reference for pilots flying at night.

对于夜间飞行的飞行员来说，导航星 navigation star是一个可靠的参考点。

5.Astronomers use the navigation star 导航星 to help calibrate telescopes for better accuracy.

天文学家使用导航星 navigation star来帮助校准望远镜以提高准确性。

作文

Throughout history, humanity has always looked to the stars for guidance. Among these celestial bodies, one star has stood out as a beacon for travelers and explorers: the North Star, or Polaris. This star serves not just as a point of reference but also as a vital tool in navigation. In this essay, I will explore the significance of the navigation star (导航星) and its impact on exploration and travel throughout the ages.The concept of a navigation star (导航星) is rooted in the need for direction. Before the advent of modern technology, sailors and travelers relied heavily on the night sky to find their way. The North Star, located nearly directly above the North Pole, remains fixed in position while other stars appear to move across the sky. This unique characteristic made it an ideal reference point for those navigating the vast oceans or traversing unknown lands. For centuries, navigators have used the North Star to determine their latitude, allowing them to chart courses with remarkable accuracy.In ancient times, civilizations such as the Greeks, Romans, and Polynesians utilized the navigation star (导航星) to aid their explorations. The Greeks, for instance, created detailed star charts and developed methods to measure angles between the horizon and the stars. They understood that by locating the North Star, they could ascertain their position relative to the Earth’s surface. Similarly, Polynesian navigators mastered the art of wayfinding, using the stars, ocean currents, and bird migrations to navigate vast distances across the Pacific Ocean. Their reliance on the navigation star (导航星) exemplifies humanity's deep connection to the cosmos.As time progressed, the importance of the navigation star (导航星) expanded beyond oceanic voyages. During the Age of Exploration in the 15th and 16th centuries, explorers like Christopher Columbus and Ferdinand Magellan relied on the North Star to guide their expeditions into uncharted territories. The ability to navigate accurately was crucial for these explorers, as it allowed them to chart new trade routes and discover new lands. The navigation star (导航星) became synonymous with adventure and discovery, symbolizing humanity's quest for knowledge and expansion.In addition to its historical significance, the navigation star (导航星) continues to play a role in modern navigation. While GPS technology has revolutionized the way we find our way, the principles of celestial navigation remain relevant. Sailors and aviators are still taught to use the stars for navigation, especially in situations where electronic devices may fail. The North Star serves as a reminder of our roots and the enduring legacy of those who navigated by the heavens.In conclusion, the navigation star (导航星), particularly the North Star, has been an essential guide for travelers throughout history. Its fixed position in the night sky has provided direction and inspiration for countless explorers, shaping the course of human history. As we continue to advance technologically, it is important to remember the significance of the navigation star (导航星) and the lessons learned from those who looked to the stars for guidance. The stars above us not only illuminate our paths but also connect us to the rich tapestry of our shared human experience.