ecliptic system of coordinates
简明释义
黄道坐标系
英英释义
例句
1.The ecliptic system of coordinates 黄道坐标系 is based on the plane of the Earth's orbit around the Sun.
黄道坐标系是基于地球围绕太阳公转的平面。
2.When mapping star positions, astronomers refer to the ecliptic system of coordinates 黄道坐标系 to ensure accuracy.
在绘制星星位置时,天文学家参考黄道坐标系以确保准确性。
3.The position of the planets is typically described using the ecliptic system of coordinates 黄道坐标系 for easier navigation.
行星的位置通常使用黄道坐标系进行描述,以便更容易导航。
4.Astronomers often use the ecliptic system of coordinates 黄道坐标系 to locate celestial objects in the night sky.
天文学家常常使用黄道坐标系来定位夜空中的天体。
5.In astrophysics, the ecliptic system of coordinates 黄道坐标系 helps in calculating the orbits of satellites.
在天体物理学中,黄道坐标系有助于计算卫星的轨道。
作文
The universe is a vast and intricate space, and understanding its dimensions requires a robust framework of reference. One such framework that has been pivotal in the field of astronomy is the ecliptic system of coordinates. This system is essential for locating celestial bodies in the sky and provides a means of mapping their positions relative to the Earth. The ecliptic system of coordinates is based on the plane of the Earth's orbit around the Sun, known as the ecliptic plane. This plane is tilted at an angle of approximately 23.5 degrees to the celestial equator, which is the projection of Earth's equator into space. In practical terms, the ecliptic system of coordinates consists of two primary components: the ecliptic longitude and the ecliptic latitude. Ecliptic longitude measures the angle along the ecliptic plane from a defined starting point, typically the position of the Sun at the vernal equinox, while ecliptic latitude measures the angle perpendicular to the ecliptic plane. This dual measurement system allows astronomers to pinpoint the location of stars, planets, and other celestial phenomena with remarkable precision.One of the significant advantages of using the ecliptic system of coordinates is its alignment with the apparent motion of the Sun across the sky throughout the year. As the Earth orbits the Sun, the Sun appears to move along the ecliptic plane, making this system particularly intuitive for observations related to solar phenomena. For example, the positions of the planets in our solar system are often described in terms of their ecliptic coordinates, which simplifies the complex calculations needed to predict their movements.Moreover, the ecliptic system of coordinates serves as a bridge between various astronomical coordinate systems. While the equatorial coordinate system is based on the rotation of the Earth and is fixed to the celestial sphere, the ecliptic system is more closely tied to the solar system's dynamics. This connection is especially important when studying the motions of asteroids, comets, and other objects that may have orbits inclined to the ecliptic plane.In addition to its practical applications, the ecliptic system of coordinates also holds historical significance. Ancient astronomers recognized the importance of the ecliptic in their observations and developed early models of the cosmos based on its principles. This legacy continues to influence modern astronomy, as many contemporary star charts and navigation tools utilize the ecliptic as a fundamental reference point.In conclusion, the ecliptic system of coordinates is a vital tool in the field of astronomy, providing a clear and effective way to describe the positions of celestial bodies. Its relevance extends beyond mere measurements; it embodies the relationship between Earth, the Sun, and the broader cosmos. As we continue to explore the universe, the ecliptic system of coordinates will undoubtedly remain a cornerstone of our understanding, guiding astronomers in their quest to unravel the mysteries of the night sky.
宇宙是一个广阔而复杂的空间,理解其维度需要一个强大的参考框架。其中一个在天文学领域中至关重要的框架是黄道坐标系。这个系统对于定位天空中的天体至关重要,并提供了一种相对于地球绘制它们位置的方法。黄道坐标系是基于地球绕太阳轨道平面,即黄道平面。这个平面与天球赤道(即地球赤道投影到太空中)之间的倾斜角度约为23.5度。在实际应用中,黄道坐标系由两个主要组成部分构成:黄道经度和黄道纬度。黄道经度测量从一个定义的起始点(通常是春分时太阳的位置)沿黄道平面测量的角度,而黄道纬度则测量垂直于黄道平面的角度。这种双重测量系统使天文学家能够以惊人的精度确定恒星、行星和其他天体现象的位置。使用黄道坐标系的一个显著优势是它与太阳在天空中一年中视运动的对齐。随着地球绕太阳公转,太阳似乎沿着黄道平面移动,使得这个系统对于与太阳现象相关的观察特别直观。例如,行星在我们太阳系中的位置通常用它们的黄道坐标来描述,这简化了预测它们运动所需的复杂计算。此外,黄道坐标系还充当了各种天文坐标系统之间的桥梁。虽然赤道坐标系是基于地球的自转并固定在天球上,但黄道系统更紧密地与太阳系的动态联系在一起。当研究与黄道平面倾斜的轨道的小行星、彗星和其他物体的运动时,这种联系尤为重要。除了其实用应用外,黄道坐标系还具有历史意义。古代天文学家认识到黄道在他们观察中的重要性,并根据其原则发展了早期的宇宙模型。这一遗产继续影响现代天文学,因为许多当代星图和导航工具利用黄道作为基本参考点。总之,黄道坐标系是天文学领域的重要工具,提供了一种清晰有效的方式来描述天体的位置。它的相关性超越了简单的测量;它体现了地球、太阳和更广阔宇宙之间的关系。随着我们继续探索宇宙,黄道坐标系无疑将继续成为我们理解的基石,引导天文学家揭开夜空的奥秘。
相关单词