ephemerides

简明释义

英[ˌefɪˈmerɪˌdiːz]美[ɪˈfemərɪs]

n. 星历表

英英释义

单词用法

同义词

反义词

例句

1.The results can be used as approximate values of the initial satellite orbit to correct the orbit by integration or calculate satellite ephemerides.

计算结果均可以做为轨道改进和计算星历时的人卫初轨近似值。

2.The results can be used as approximate values of the initial satellite orbit to correct the orbit by integration or calculate satellite ephemerides.

计算结果均可以做为轨道改进和计算星历时的人卫初轨近似值。

3.GPS satellite precise ephemerides provided by IGS describe there dimension position of GPS satellites in ITRF.

IGS提供的精密星历描述了GPS卫星在地固系中的三维位置。

4.Screen shots, demonstration movies, additional ephemerides, and FAQ available at author's website.

屏幕镜头、示范片，新增历，常可在作者的网页。

5.Astronomers use ephemerides to predict the positions of celestial bodies over time.

天文学家使用天体历来预测天体随时间的运动位置。

6.The ephemerides for the upcoming solar eclipse were published in the astronomy journal.

即将发生的日食的天体历已在天文学期刊上发布。

7.Navigators rely on ephemerides to determine their location at sea.

航海者依靠天体历来确定他们在海上的位置。

8.The software includes an updated database of ephemerides for various planets.

该软件包括了各种行星的更新版天体历数据库。

9.For accurate astrological readings, practitioners often refer to ephemerides.

为了准确的占星解读，实践者通常会参考天体历。

作文

In the realm of astronomy and navigation, the term ephemerides refers to a table or data file that provides the calculated positions of celestial objects at regular intervals. These tables are essential for astronomers, navigators, and anyone interested in the movements of planets, stars, and other celestial bodies. Understanding ephemerides is crucial for various applications, ranging from space exploration to astrology. Historically, the creation of ephemerides dates back to ancient civilizations, where astronomers meticulously recorded the positions of celestial bodies. The Babylonians, for instance, developed early forms of ephemerides that helped them predict astronomical events such as eclipses. These early records laid the groundwork for modern astronomical practices. Today, ephemerides are generated using complex mathematical models and computer algorithms. They take into account various factors, including gravitational influences from other celestial bodies and relativistic effects predicted by Einstein's theories. The accuracy of ephemerides is vital for missions like satellite launches and interplanetary travel, where precise positioning is necessary to ensure success. For amateur astronomers, ephemerides serve as a guide to observing the night sky. By consulting these tables, they can determine when and where to look for planets, comets, and other phenomena. For example, if an amateur astronomer wants to observe Jupiter, they can refer to the ephemerides to find out when it will be visible in their location. This accessibility has made astronomy more popular and engaging for enthusiasts around the world. Moreover, ephemerides play a significant role in astrology, where practitioners use them to create horoscopes based on the positions of celestial bodies at specific times. Astrologers rely on accurate ephemerides to interpret the influence of planetary alignments on human behavior and events. While the scientific community may debate the validity of astrology, there is no denying that ephemerides have become an integral part of this practice. In conclusion, the significance of ephemerides in both scientific and cultural contexts cannot be overstated. They bridge the gap between ancient astronomical traditions and modern scientific inquiry. By providing essential data on celestial positions, ephemerides enable a deeper understanding of the universe and enhance our ability to navigate within it. Whether for scientific research, space exploration, or personal interest, ephemerides remain a vital resource for anyone looking to explore the cosmos. As we continue to advance in our understanding of the universe, the role of ephemerides will undoubtedly evolve, but their importance will persist. In a world where we are increasingly reliant on technology and data, the study of ephemerides reminds us of our enduring connection to the stars and the timeless quest for knowledge about our place in the universe.

在天文学和导航领域，术语ephemerides指的是提供天体在定期间隔内计算位置的表格或数据文件。这些表格对于天文学家、导航员以及对行星、恒星和其他天体运动感兴趣的人来说至关重要。理解ephemerides对于各种应用至关重要，从太空探索到占星术。 历史上，ephemerides的创建可以追溯到古代文明，那时天文学家仔细记录天体的位置。例如，巴比伦人开发了早期形式的ephemerides，帮助他们预测日食等天文事件。这些早期记录为现代天文学实践奠定了基础。 今天，ephemerides是通过复杂的数学模型和计算机算法生成的。它们考虑了各种因素，包括其他天体的引力影响和爱因斯坦理论所预测的相对论效应。ephemerides的准确性对于卫星发射和行星际旅行等任务至关重要，因为精确定位是确保成功的必要条件。 对于业余天文学家来说，ephemerides作为观察夜空的指南。他们可以通过查阅这些表格，确定何时何地观察行星、彗星和其他现象。例如，如果一位业余天文学家想观察木星，他们可以参考ephemerides来了解它何时将在他们的位置可见。这种可及性使得天文学在全球范围内变得更加流行和引人入胜。 此外，ephemerides在占星术中扮演着重要角色，实践者使用它们根据特定时间天体的位置创建星座图。占星家依赖准确的ephemerides来解释行星排列对人类行为和事件的影响。尽管科学界可能会争论占星术的有效性，但毋庸置疑的是，ephemerides已成为这一实践不可或缺的一部分。 总之，ephemerides在科学和文化背景下的重要性不容小觑。它们架起了古代天文学传统与现代科学探究之间的桥梁。通过提供有关天体位置的重要数据，ephemerides使我们更深入地理解宇宙，并增强了我们在其中导航的能力。无论是出于科学研究、太空探索还是个人兴趣，ephemerides仍然是任何希望探索宇宙的人的重要资源。 随着我们在理解宇宙方面的不断进步，ephemerides的角色无疑会发展，但它们的重要性将持续存在。在一个日益依赖技术和数据的世界中，研究ephemerides提醒我们与星星之间的持久联系，以及对我们在宇宙中位置的永恒探索。