astronomical longitude

简明释义

天文经度(天文观测求得

英英释义

例句

1.The navigator used the ship's astronomical longitude to determine its exact position at sea.

导航员使用船只的天文学经度来确定其在海上的确切位置。

2.The astronomical longitude of a location is essential for accurate timekeeping in navigation.

一个地点的天文学经度对于导航中的准确计时至关重要。

3.The advent of GPS technology has made it easier to calculate astronomical longitude.

GPS技术的出现使得计算天文学经度变得更加容易。

4.By calculating the astronomical longitude, astronomers can track celestial objects more accurately.

通过计算天文学经度，天文学家可以更准确地追踪天体。

5.To launch the satellite, engineers needed to know its astronomical longitude and latitude.

为了发射卫星，工程师需要知道它的天文学经度和纬度。

作文

Understanding the concept of astronomical longitude is essential for various fields, including astronomy, navigation, and geography. astronomical longitude refers to the angular measurement of a point on the Earth's surface east or west of the Prime Meridian, which is defined as 0 degrees longitude. This measurement is crucial for determining the position of celestial bodies and for creating accurate maps. In astronomy, the importance of astronomical longitude cannot be overstated. Astronomers use this measurement to track the movement of planets and stars across the night sky. By knowing the astronomical longitude of a celestial body, scientists can predict its position at any given time, which is vital for both observational astronomy and space exploration. For instance, when planning a mission to Mars, engineers must calculate the astronomical longitude of both Earth and Mars to ensure that the spacecraft is launched at the optimal time for a successful journey.Navigation is another area where astronomical longitude plays a critical role. Before the advent of modern technology, sailors relied heavily on celestial navigation, which involves using the positions of stars and planets to determine their location at sea. By measuring the angle between the horizon and a celestial body, navigators could calculate their astronomical longitude and adjust their course accordingly. Even today, GPS technology relies on similar principles, using satellites that orbit the Earth at known astronomical longitudes to provide accurate positioning information.In geography, astronomical longitude is used to create maps and understand the Earth's layout. Cartographers must consider astronomical longitude when designing maps to ensure that they accurately represent the world's features. This is particularly important for global positioning systems and for understanding climate patterns, as different regions of the Earth experience varying weather based on their astronomical longitude. The significance of astronomical longitude extends beyond practical applications; it also has historical and cultural implications. Different cultures have developed their own systems of timekeeping based on astronomical longitude. For example, the ancient Greeks used the concept of longitude to develop their own calendars and to navigate the seas. Similarly, many indigenous cultures have their own methods of tracking time and navigation that are based on the positions of celestial bodies relative to their geographical locations.In conclusion, the concept of astronomical longitude is fundamental to our understanding of the world around us. It is a key measurement that impacts various fields, from astronomy and navigation to geography and cultural history. As we continue to explore the universe and develop new technologies, the importance of astronomical longitude will only grow, reminding us of the intricate connections between our planet and the cosmos beyond. Understanding this concept not only enhances our scientific knowledge but also enriches our appreciation of the natural world and our place within it.

理解天文学经度的概念对于天文学、导航和地理等多个领域至关重要。天文学经度指的是地球表面某一点相对于本初子午线的东或西的角度测量，定义为0度经度。这一测量对于确定天体的位置和制作准确地图至关重要。在天文学中，天文学经度的重要性不言而喻。天文学家利用这一测量来追踪行星和恒星在夜空中的运动。通过了解天体的天文学经度，科学家可以预测其在任何给定时间的位置，这对于观察天文学和太空探索都是至关重要的。例如，在规划前往火星的任务时，工程师必须计算地球和火星的天文学经度，以确保航天器在最佳时间发射，以实现成功的旅程。导航是另一个天文学经度发挥关键作用的领域。在现代技术出现之前，水手们非常依赖天文导航，即利用星星和行星的位置来确定他们在海上的位置。通过测量地平线与天体之间的角度，导航员可以计算出他们的天文学经度并相应调整航向。即使在今天，GPS技术也依赖于类似的原理，使用在已知天文学经度轨道上环绕地球的卫星提供准确的定位信息。在地理学中，天文学经度用于绘制地图和理解地球的布局。制图师在设计地图时必须考虑天文学经度，以确保它们准确地表示世界的特征。这对于全球定位系统和理解气候模式尤为重要，因为地球的不同区域根据其天文学经度经历不同的天气。天文学经度的重要性不仅体现在实际应用上，还具有历史和文化意义。不同文化基于天文学经度发展了自己的时间记录系统。例如，古希腊人利用经度的概念来制定自己的日历和进行海洋导航。同样，许多土著文化也有自己的时间和导航跟踪方法，这些方法是基于天体相对于其地理位置的定位。总之，天文学经度的概念是我们理解周围世界的基础。这是一项关键的测量，影响着从天文学、导航到地理和文化历史等各个领域。随着我们继续探索宇宙并开发新技术，天文学经度的重要性只会增加，提醒我们地球与宇宙之间的复杂联系。理解这一概念不仅增强了我们的科学知识，也丰富了我们对自然世界及我们在其中位置的认识。