latitude by Polaris

简明释义

北极星高度求纬度

英英释义

例句

1.To find your position in the wilderness, you can use latitude by Polaris as a reference point.

要在荒野中找到自己的位置，你可以用北极星的纬度作为参考点。

2.Sailors often use the stars to find their way, and they can determine their latitude by Polaris to navigate accurately.

水手们常用星星来找到方向，他们可以通过北极星的纬度来准确导航。

3.You can easily find your latitude by Polaris if you know how to locate the North Star in the night sky.

如果你知道如何在夜空中找到北极星，你就可以轻松确定你的北极星的纬度。

4.Astronomy students learn to calculate their latitude by Polaris during practical lessons on celestial navigation.

天文学学生在关于天体导航的实践课上学习如何计算他们的北极星的纬度。

5.In ancient times, explorers relied on latitude by Polaris to chart their courses across the oceans.

在古代，探险者依靠北极星的纬度来绘制他们穿越海洋的航线。

作文

Navigating the vastness of the oceans and the wilderness has always been a challenge for humankind. From ancient mariners to modern explorers, the ability to determine one’s position on Earth has been crucial for survival and discovery. One of the most significant methods used in navigation is the concept of determining latitude, particularly by observing celestial bodies. Among these celestial markers, the North Star, also known as Polaris, has played an essential role. The phrase latitude by Polaris refers to the technique of using the position of the North Star to ascertain one’s latitude in the Northern Hemisphere. This method has been employed for centuries and remains a fascinating aspect of navigation and astronomy.To understand how latitude by Polaris works, we must first explore the significance of latitude itself. Latitude is a geographic coordinate that specifies the north-south position of a point on the Earth's surface. It is measured in degrees, with the equator at 0 degrees and the poles at 90 degrees north and south. Knowing one’s latitude is vital for navigation, as it helps sailors and travelers understand their position relative to the equator and the poles.Polaris, located nearly directly above the North Pole, serves as a reliable reference point for determining latitude. When sailors or navigators look towards Polaris at night, they can estimate their latitude by measuring the angle between the horizon and the North Star. This angle corresponds to their latitude: for instance, if Polaris is observed at an angle of 30 degrees above the horizon, the navigator is approximately at 30 degrees north latitude.The beauty of latitude by Polaris lies in its simplicity and accessibility. Unlike modern GPS technology, which relies on satellites and complex electronic systems, this method requires only a clear night sky and a basic understanding of angular measurement. It embodies the ingenuity of ancient civilizations that relied on natural phenomena to guide their journeys across uncharted territories.However, while latitude by Polaris is a remarkable method, it does come with limitations. For instance, it is only applicable in the Northern Hemisphere, as Polaris is not visible from the Southern Hemisphere. Moreover, the position of Polaris is not fixed; it shifts slightly due to the precession of the Earth's axis. Thus, navigators must account for this movement when using Polaris for latitude determination over extended periods.In conclusion, the phrase latitude by Polaris encapsulates a timeless technique of navigation that highlights the connection between humans and the cosmos. It serves as a reminder of our ancestors’ reliance on the stars to find their way and the enduring importance of celestial navigation in the age of technology. As we continue to explore our world and beyond, the principles behind latitude by Polaris will always hold a special place in the history of exploration and navigation, inspiring future generations to look up at the stars and navigate their paths through life.

在广袤的海洋和荒野中航行一直是人类面临的挑战。从古代水手到现代探险家，确定自己在地球上的位置的能力对生存和发现至关重要。导航中使用的最重要的方法之一是通过观察天体来确定纬度的概念。在这些天体标记中，北极星（也称为Polaris）发挥了重要作用。短语latitude by Polaris指的是利用北极星的位置来确定一个人在北半球的纬度的技术。这种方法已经被使用了几个世纪，并且仍然是导航和天文学的一个迷人方面。要理解latitude by Polaris的工作原理，我们首先必须探索纬度本身的重要性。纬度是一个地理坐标，指定地球表面某一点的南北位置。它以度数为单位进行测量，赤道为0度，极点为南北各90度。了解自己的纬度对导航至关重要，因为它可以帮助水手和旅行者理解他们相对于赤道和极点的位置。Polaris位于几乎正上方的北极，是确定纬度的可靠参考点。当水手或导航员在夜间朝向Polaris观察时，他们可以通过测量地平线与北极星之间的角度来估算他们的纬度。这个角度对应于他们的纬度：例如，如果Polaris在地平线上方30度的角度被观察到，那么导航员大约在北纬30度的位置。latitude by Polaris的美在于它的简单性和可及性。与依赖卫星和复杂电子系统的现代GPS技术不同，这种方法只需要一个清晰的夜空和对角度测量的基本理解。它体现了古代文明的智慧，这些文明依靠自然现象来指导他们穿越未知领土的旅程。然而，虽然latitude by Polaris是一种了不起的方法，但它也有其局限性。例如，它仅适用于北半球，因为南半球看不到Polaris。此外，Polaris的位置并不是固定的；由于地球轴的进动，它会略微移动。因此，导航员在长时间使用Polaris确定纬度时，必须考虑这种运动。总之，短语latitude by Polaris概括了一种永恒的导航技术，突显了人类与宇宙之间的联系。它提醒我们祖先依靠星星找到方向的历史，以及在科技时代天文导航的持久重要性。当我们继续探索我们的世界和更远的地方时，latitude by Polaris背后的原则将始终在探索和导航的历史中占有特殊的地位，激励未来的世代仰望星空，寻找他们生活的道路。