astronomical determination

简明释义

天文定位

英英释义

例句

1.The scientist's research on celestial bodies required an astronomical determination 天文测定 of their distances from Earth.

科学家对天体的研究需要进行天文测定 天文测定，以确定它们与地球的距离。

2.The astronomical determination 天文测定 of star positions helps in navigation and satellite positioning.

星体位置的天文测定 天文测定有助于导航和卫星定位。

3.The telescope was used for astronomical determination 天文测定 of the moon's surface features.

该望远镜用于对月球表面特征的天文测定 天文测定。

4.During the conference, experts discussed the latest methods for astronomical determination 天文测定 of exoplanets.

在会议上，专家们讨论了对外星行星进行最新的天文测定 天文测定的方法。

5.In astronomy, precise astronomical determination 天文测定 is crucial for mapping the universe accurately.

在天文学中，精确的天文测定 天文测定对于准确绘制宇宙至关重要。

作文

In the vast realm of science, few fields capture the imagination quite like astronomy. The study of celestial bodies and the universe at large not only satisfies our curiosity about the cosmos but also pushes the boundaries of human knowledge. One crucial aspect of this field is the concept of astronomical determination, which refers to the methods used to ascertain the positions and movements of celestial objects. This process is vital for navigation, satellite positioning, and understanding the dynamics of our universe. Astronomical determination has roots that date back centuries, with early astronomers relying on rudimentary tools and observations. They meticulously recorded the positions of stars and planets, developing techniques that laid the groundwork for modern astronomy. Today, with the advent of advanced technology such as telescopes and computer algorithms, our ability to determine celestial positions has improved exponentially. The importance of astronomical determination cannot be overstated. For instance, in navigation, sailors and pilots depend on accurate celestial readings to chart their courses. Before the invention of GPS, mariners used sextants to measure the angles between celestial bodies and the horizon, allowing them to determine their latitude and longitude. Even today, while GPS technology dominates, an understanding of astronomical principles remains essential for backup navigation systems. Moreover, astronomical determination plays a critical role in space exploration. Missions to other planets or moons require precise calculations to ensure spacecraft arrive at their destinations safely. For example, the Mars rovers rely on accurate positioning to land on the surface of the Red Planet and conduct scientific experiments. Without meticulous astronomical determination, these missions would face significant risks of failure. In addition to practical applications, astronomical determination enriches our understanding of the universe. By studying the movements of celestial bodies, astronomers can uncover the mysteries of dark matter and dark energy, which constitute a significant portion of the universe's mass-energy content. These studies help scientists formulate theories about the origins and fate of the universe, pushing the boundaries of our knowledge further than ever before. Furthermore, the implications of astronomical determination extend beyond our solar system. As we seek to explore exoplanets and distant galaxies, understanding the positions and movements of these celestial bodies becomes increasingly complex. Advanced techniques such as astrometry, which measures the positions of stars with high precision, are essential for identifying potentially habitable planets outside our solar system. In conclusion, astronomical determination is a fundamental aspect of astronomy that encompasses a wide range of applications and implications. From navigation to space exploration and the quest to understand the universe, its significance is profound. As technology continues to evolve, so too will our methods of determining celestial positions, opening new avenues for discovery and understanding. The pursuit of knowledge about our universe is an endeavor that will inspire generations to come, driven by the principles of astronomical determination and the relentless human spirit of inquiry.

在科学的广阔领域中，天文学无疑是最能激发想象力的学科之一。对天体和宇宙的研究不仅满足了我们对宇宙的好奇心，还推动了人类知识的边界。这个领域的一个关键方面是天文测定的概念，它指的是用于确定天体位置和运动的方法。这个过程对于导航、卫星定位和理解我们宇宙的动态至关重要。天文测定的根源可以追溯到几个世纪以前，早期的天文学家依靠简单的工具和观察进行研究。他们仔细记录星星和行星的位置，发展出了一些为现代天文学奠定基础的技术。如今，随着望远镜和计算机算法等先进技术的出现，我们确定天体位置的能力得到了极大的提高。天文测定的重要性不容小觑。例如，在导航中，水手和飞行员依赖精确的天体读数来规划航线。在GPS发明之前，海员使用六分仪测量天体与地平线之间的角度，从而确定他们的纬度和经度。即便在今天，尽管GPS技术占主导地位，但对天文学原理的理解仍然是备用导航系统的关键。此外，天文测定在太空探索中也发挥着关键作用。前往其他行星或月球的任务需要精确的计算，以确保航天器安全抵达目的地。例如，火星探测器依赖于准确的定位在红色星球的表面着陆并进行科学实验。如果没有细致的天文测定，这些任务将面临重大失败风险。除了实际应用外，天文测定还丰富了我们对宇宙的理解。通过研究天体的运动，天文学家能够揭示暗物质和暗能量的奥秘，而这两者构成了宇宙质量-能量内容的很大一部分。这些研究帮助科学家们提出关于宇宙起源和命运的理论，推动我们对知识的边界不断拓展。此外，天文测定的影响超越了我们的太阳系。当我们寻求探索系外行星和遥远星系时，理解这些天体的位置和运动变得愈加复杂。精确测量恒星位置的天体测量学等先进技术，对于识别太阳系外可能宜居的行星至关重要。总之，天文测定是天文学的一个基本方面，涵盖了广泛的应用和影响。从导航到太空探索，再到理解宇宙的追求，其重要性是深远的。随着技术的不断发展，我们确定天体位置的方法也将不断演进，为发现和理解开辟新的途径。对宇宙知识的追求是一项将激励未来几代人的事业，这一切都源于天文测定的原则以及人类不懈的探索精神。