parallel of declination

简明释义

赤纬平行圈赤纬圈、赤纬平行圈

英英释义

例句

1.When plotting the trajectory, we must consider the parallel of declination to ensure accuracy.

在绘制轨迹时，我们必须考虑偏角纬线以确保准确性。

2.The astronomer noted the position of stars in relation to the parallel of declination.

天文学家记录了星星相对于偏角纬线的位置。

3.The GPS system uses the parallel of declination to provide precise location data.

GPS系统使用偏角纬线提供精确的位置数据。

4.The navigator adjusted the ship's course to align with the parallel of declination.

导航员调整了船只的航向，以与偏角纬线对齐。

5.Understanding the parallel of declination is crucial for accurate map reading.

理解偏角纬线对于准确的地图阅读至关重要。

作文

The concept of a parallel of declination is integral to understanding the relationship between celestial navigation and the Earth's magnetic field. In the realm of astronomy and navigation, the term 'declination' refers to the angle between an object in the sky and the celestial equator. This measurement is similar to latitude on Earth, as it helps to pinpoint the location of stars and other celestial bodies in the night sky. A parallel of declination can be visualized as an imaginary line that runs parallel to the celestial equator, marking the same declination across the sky. Navigators have long relied on the stars for guidance, and the parallel of declination serves as a critical reference point. For instance, when sailors are at sea, they may use a sextant to measure the angle of a star above the horizon. By knowing the star's declination and their own latitude, they can determine their position on the globe. This technique has been used for centuries and remains relevant even in the age of GPS. Understanding the parallel of declination also has implications beyond navigation; it plays a significant role in the study of the Earth's magnetic field. The Earth's magnetic field does not align perfectly with its rotational axis, which leads to variations in magnetic declination across different geographic locations. This discrepancy means that true north (geographic north) and magnetic north do not always coincide. As a result, navigators must account for these differences when plotting courses, particularly in remote areas where traditional navigation tools may be less effective. In addition to navigation, the parallel of declination is essential for astronomers who seek to map the positions of celestial objects. Telescopes and observatories often utilize this concept to track the movement of planets, stars, and galaxies. By understanding how objects move along their parallels of declination, astronomers can predict when and where to observe these celestial phenomena. This knowledge is crucial for both amateur stargazers and professional astronomers alike, as it enhances our understanding of the universe. Furthermore, the parallel of declination can also serve as a reminder of the interconnectedness of various scientific disciplines. The principles of geometry, physics, and geography all converge in the study of celestial navigation and the Earth's magnetic properties. By examining how these fields interact, we gain a deeper appreciation for the natural world and our place within it. In conclusion, the parallel of declination is more than just a technical term; it encapsulates the essence of celestial navigation and the broader understanding of our planet's relationship with the cosmos. Whether one is sailing across the ocean or gazing at the stars from their backyard, the parallel of declination serves as a guiding principle that connects us to the universe. As technology continues to evolve, our reliance on traditional navigation methods may diminish, but the fundamental concepts behind the parallel of declination will remain an enduring part of our exploration of the skies. Through this exploration, we recognize the importance of preserving knowledge about navigation and astronomy, ensuring that future generations can appreciate the beauty and complexity of the universe. The parallel of declination stands as a testament to human curiosity and our relentless pursuit of understanding the world around us.

“倾斜平行线”的概念对于理解天文导航与地球磁场之间的关系至关重要。在天文学和导航的领域中，“倾斜”一词指的是天空中物体与天球赤道之间的角度。这一测量类似于地球上的纬度，因为它有助于确定夜空中星星和其他天体的位置。“倾斜平行线”可以被视为一条与天球赤道平行的想象线，标记着天空中相同的倾斜。航海者长期以来依赖星星作为指引，而“倾斜平行线”则作为一个关键的参考点。例如，当水手在海上时，他们可能会使用六分仪来测量星星在地平线上的角度。通过知道星星的倾斜和他们自己的纬度，他们可以确定自己在地球上的位置。这种技术已经被使用了几个世纪，即使在GPS时代也依然相关。理解“倾斜平行线”也对研究地球的磁场有重要意义。地球的磁场并不完全与其旋转轴对齐，这导致不同地理位置的磁偏角存在差异。这种差异意味着真北（地理北）和磁北并不总是重合。因此，导航者在绘制航线时必须考虑这些差异，特别是在传统导航工具可能不太有效的偏远地区。除了导航，“倾斜平行线”对寻求绘制天体位置的天文学家也是必不可少的。望远镜和天文台通常利用这一概念来跟踪行星、恒星和星系的运动。通过了解物体沿着其“倾斜平行线”的移动，天文学家可以预测何时何地观察这些天体现象。这一知识对于业余天文爱好者和专业天文学家都是至关重要的，因为它增强了我们对宇宙的理解。此外，“倾斜平行线”也可以提醒我们各种科学学科之间的相互联系。几何学、物理学和地理学的原理都在天文导航和地球磁性特性的研究中交汇。通过考察这些领域如何相互作用，我们对自然界和我们在其中的位置有了更深的理解。总之，“倾斜平行线”不仅仅是一个技术术语；它概括了天文导航的本质以及我们对地球与宇宙关系的更广泛理解。无论是在海洋中航行还是在自家庭院仰望星空，“倾斜平行线”都作为一个指导原则，将我们与宇宙连接在一起。随着科技的不断发展，我们对传统导航方法的依赖可能会减少，但“倾斜平行线”背后的基本概念将始终是我们探索天空的持久部分。通过这次探索，我们认识到保护关于导航和天文学知识的重要性，确保未来的世代能够欣赏宇宙的美丽和复杂性。“倾斜平行线”是人类好奇心和我们对理解周围世界的不懈追求的见证。