ecliptic

简明释义

[ɪˈklɪptɪk][ɪˈklɪptɪk]

adj. (日、月等)食的,黄道的

n. 黄道

英英释义

The ecliptic is the apparent path of the Sun across the celestial sphere, which corresponds to the plane of Earth's orbit around the Sun.

黄道是太阳在天球上看似移动的轨迹,对应于地球绕太阳公转的平面。

It is also used to refer to the plane of the Earth's orbit, which is inclined at an angle of about 23.5 degrees to the celestial equator.

它也用来指代地球轨道的平面,该平面与天球赤道的倾斜角度约为23.5度。

单词用法

obliquity of the ecliptic

黄赤交角

同义词

celestial equator

天球赤道

The celestial equator divides the sky into northern and southern hemispheres.

天球赤道将天空分为北半球和南半球。

zodiac

黄道

The zodiac is a band in the sky along which the sun, moon, and planets move.

黄道是太阳、月亮和行星运行的天空带。

反义词

equator

赤道

The equator divides the Earth into the Northern and Southern Hemispheres.

赤道将地球分为北半球和南半球。

zenith

天顶

At noon, the sun is at its zenith in the sky.

中午时分,太阳在天空中处于天顶。

例句

1.Units Used to Display Long , Lat , Declination , Ecliptic.

单位长常常显示,拉特,偏差,黄道。

2.Since Planet X is slightly below the Ecliptic, light from Planet X makes a more direct trip to the Southern Hemisphere than to the Northern Hemisphere.

由于X星稍微在赤道下方,来自于X星的光线与北半球比起来更加直接地到达南半球。

3.The sun moves through the fixed stars on a path called the ecliptic, taking a year to return to its original position .

太阳穿过一些固定的恒星在一条被称为黄道的轨道上运行,经过一年的时间才回到原来的位置。

4.The telescope can be used to search for dwarf planets like Pluto that orbit the Sun off the solar system's ecliptic plane.

望远镜能搜寻类似于冥神星那样以偏离太阳系的椭圆轨道平面绕太阳运行的矮星。

5.Finally, it discusses some problems about the longitude difference of ecliptic.

最后,还对《晓庵新法》中黄道距度的问题进行了探讨。

6.The Angle between the plane of the ecliptic and the equatorial plane is the obliquity of the ecliptic.

黄道面与赤道面的夹角是黄道的倾角。

7.The delicate luminous glow of Zodiacal light, sunlight scattered by dust along the ecliptic, also rises above the horizon from the lower left.

黄道光微微发亮,阳光被黄道上的尘埃散射形成,也从左下角的地平线向上伸展。

8.Astrologers often refer to the positions of planets along the ecliptic when creating horoscopes.

占星师在制作星座图时常常提到行星在黄道上的位置。

9.The sun appears to move along the ecliptic, which is the apparent path of the sun across the sky.

太阳似乎沿着黄道移动,这是太阳在天空中的明显轨迹。

10.During a solar eclipse, the moon passes directly in front of the sun along the ecliptic line.

在日食期间,月球沿着黄道线直接位于太阳前面。

11.The ecliptic is inclined at an angle of about 23.5 degrees relative to the celestial equator.

与天球赤道相比,黄道的倾斜角度约为23.5度。

12.The tilt of the Earth's axis causes the seasons as the planet orbits the ecliptic plane.

地球轴的倾斜导致季节变化,因为地球围绕黄道平面公转。

作文

The concept of the ecliptic (黄道) is fundamental to our understanding of astronomy and the movements of celestial bodies. The ecliptic is defined as the apparent path that the Sun traces through the sky over the course of a year, which corresponds to the plane of Earth's orbit around the Sun. This imaginary line is not just important for astronomers; it also has significant implications for navigation, timekeeping, and even astrology. To comprehend the ecliptic, one must first understand the relationship between the Earth and the Sun. As the Earth orbits the Sun, it maintains a tilt of approximately 23.5 degrees relative to its orbital plane. This tilt is responsible for the changing seasons, as different parts of the Earth receive varying amounts of sunlight throughout the year. The ecliptic serves as a reference point for this solar movement, marking the position of the Sun against the backdrop of the stars. In addition to the Sun's path, the ecliptic also plays a crucial role in the positioning of the planets within our solar system. Most of the planets orbit the Sun in a plane that is closely aligned with the ecliptic, which means that they can often be found near this imaginary line when viewed from Earth. This alignment makes it easier for astronomers to locate planets in the night sky. For instance, if you were to look up at the stars on a clear night, you would notice that many planets appear to follow the same path as the Sun, moving along the ecliptic. The significance of the ecliptic extends beyond mere observation. It is also essential for the development of celestial coordinate systems. Astronomers use the ecliptic as a baseline to measure the positions of celestial objects. By establishing a coordinate system based on the ecliptic, astronomers can accurately describe the location of stars, planets, and other celestial phenomena. This system is particularly useful for tracking the movements of asteroids and comets, which often have orbits that intersect with the ecliptic. Moreover, the ecliptic is not just a static line; it is dynamic and subject to change over long periods due to gravitational interactions with other celestial bodies. This phenomenon, known as precession, causes the orientation of the Earth's axis to shift slightly over time, which in turn affects the position of the ecliptic. Understanding these changes is vital for astronomers and scientists who study the long-term dynamics of our solar system. In conclusion, the ecliptic (黄道) is an essential concept in astronomy that encapsulates the relationship between the Earth and the Sun, the movements of planets, and the framework for celestial navigation. Its role in defining the seasons, aiding in the identification of celestial bodies, and contributing to our understanding of the universe makes it a cornerstone of both theoretical and practical astronomy. As we continue to explore the cosmos, the importance of the ecliptic will undoubtedly remain a key focus for future discoveries and advancements in our understanding of the universe.