coordinates of celestial sphere

简明释义

天球座标

英英释义

例句

1.In astrophysics, the coordinates of celestial sphere help scientists map the universe.

在天体物理学中，天球坐标帮助科学家绘制宇宙地图。

2.Astronomers use the coordinates of celestial sphere to locate stars in the night sky.

天文学家使用天球坐标来定位夜空中的星星。

3.To find a specific star, you need to understand the coordinates of celestial sphere.

要找到特定的星星，你需要了解天球坐标。

4.The coordinates of celestial sphere are essential for navigation in astronomy.

天球坐标对于天文学中的导航至关重要。

5.The telescope was set up to track objects using their coordinates of celestial sphere.

望远镜被设置为通过其天球坐标追踪天体。

作文

The universe is a vast and complex realm that has fascinated humanity for centuries. One of the key concepts in understanding our place within this grand cosmos is the use of the coordinates of celestial sphere, which serve as a framework for locating celestial objects in the night sky. The coordinates of celestial sphere are essentially an extension of the geographic coordinate system we use on Earth, but instead of latitude and longitude, they involve celestial coordinates such as right ascension and declination.Right ascension (RA) is analogous to longitude but is measured in hours, minutes, and seconds. It represents the angle of an object eastward from the vernal equinox, which is a reference point in the celestial coordinate system. Declination (Dec), on the other hand, is similar to latitude and measures how far north or south an object is from the celestial equator. Together, these two coordinates allow astronomers to pinpoint the location of stars, planets, and other celestial phenomena in the sky.The importance of the coordinates of celestial sphere cannot be overstated. For amateur astronomers and stargazers, understanding these coordinates is essential for navigating the night sky. By knowing the RA and Dec of a particular star, one can easily locate it using a telescope or even with the naked eye, provided the conditions are right. This ability to map the heavens has been crucial for various cultures throughout history, influencing navigation, agriculture, and even mythology.Moreover, the coordinates of celestial sphere also play a vital role in modern astronomy and astrophysics. With the advent of sophisticated telescopes and space observatories, astronomers can gather data on distant galaxies, nebulae, and other celestial bodies. The precise measurements provided by the coordinates of celestial sphere enable scientists to track the movement of these objects over time, study their properties, and understand their formation and evolution.In addition to their practical applications, the coordinates of celestial sphere also inspire a sense of wonder and curiosity about the universe. When we gaze up at the stars, we are not just looking at points of light; we are observing the remnants of ancient events that have shaped the cosmos. Each star's position, defined by its celestial coordinates, tells a story of its own, from its birth in a stellar nursery to its eventual demise.As we continue to explore the universe, the coordinates of celestial sphere will remain an indispensable tool for both amateur and professional astronomers alike. They provide a common language through which we can communicate our findings and share our discoveries. In a way, the coordinates of celestial sphere bridge the gap between science and art, allowing us to appreciate the beauty of the night sky while also unraveling the mysteries of the universe.In conclusion, the coordinates of celestial sphere are a fundamental aspect of celestial navigation and astronomical research. They help us locate and understand the myriad of celestial objects that populate our universe. Whether you are an aspiring astronomer or simply someone who enjoys stargazing, grasping the concept of the coordinates of celestial sphere will enhance your appreciation of the night sky and the wonders it holds.

宇宙是一个广阔而复杂的领域，几个世纪以来一直吸引着人类。理解我们在这个宏伟宇宙中的位置的关键概念之一是使用天球坐标，它为在夜空中定位天体提供了框架。天球坐标本质上是我们在地球上使用的地理坐标系统的扩展，但它涉及的不是纬度和经度，而是天文坐标，如赤经和赤纬。赤经（RA）类似于经度，但以小时、分钟和秒为单位测量。它表示一个物体从春分点向东的角度，这是天球坐标系统中的参考点。赤纬（Dec）则类似于纬度，测量一个物体距离天球赤道的南北距离。这两个坐标结合在一起，使天文学家能够在天空中精确定位恒星、行星和其他天体现象。天球坐标的重要性不言而喻。对于业余天文学家和观星者来说，理解这些坐标对于导航夜空至关重要。通过知道特定恒星的赤经和赤纬，人们可以轻松地使用望远镜甚至在条件合适的情况下用肉眼找到它。将天空进行映射的能力对历史上各种文化至关重要，影响了航海、农业甚至神话。此外，天球坐标在现代天文学和天体物理学中也发挥着至关重要的作用。随着先进望远镜和太空天文台的出现，天文学家可以收集有关遥远星系、星云和其他天体的数据。天球坐标提供的精确测量使科学家能够跟踪这些物体随时间的运动，研究它们的特性，并了解它们的形成和演变。除了其实际应用外，天球坐标还激发了对宇宙的敬畏和好奇。当我们仰望星空时，我们不仅是在看光点；我们正在观察塑造宇宙的古老事件的遗迹。每颗星星的位置，由其天文坐标定义，讲述着自己的故事，从它在恒星诞生区的诞生到最终的消亡。随着我们继续探索宇宙，天球坐标将继续成为业余和专业天文学家不可或缺的工具。它们提供了一个共同的语言，通过这个语言我们可以交流发现和分享成果。在某种意义上，天球坐标弥合了科学与艺术之间的差距，使我们能够欣赏夜空的美丽，同时揭开宇宙的奥秘。总之，天球坐标是天体导航和天文学研究的基本方面。它们帮助我们定位和理解填满我们宇宙的无数天体。无论你是一个有抱负的天文学家，还是一个简单享受观星的人，掌握天球坐标的概念将增强你对夜空及其所蕴藏奇观的欣赏。