elliptic orbit

简明释义

椭圆轨道

英英释义

例句

1.Kepler's laws describe how planets follow an elliptic orbit 椭圆轨道 around their stars.

开普勒定律描述了行星如何沿着其恒星的椭圆轨道 椭圆轨道运行。

2.The elliptic orbit 椭圆轨道 of comets can bring them close to the sun and then far away into deep space.

彗星的椭圆轨道 椭圆轨道可以使它们靠近太阳，然后远离进入深空。

3.Understanding the mechanics of an elliptic orbit 椭圆轨道 is essential for space mission planning.

理解椭圆轨道 椭圆轨道的力学对于太空任务规划至关重要。

4.Satellites are often placed in an elliptic orbit 椭圆轨道 to optimize coverage of the Earth's surface.

卫星通常被放置在椭圆轨道 椭圆轨道上，以优化对地球表面的覆盖。

5.The planet moves in an elliptic orbit 椭圆轨道 around the sun, which is a fundamental concept in astronomy.

行星围绕太阳以椭圆轨道 椭圆轨道运动，这是天文学中的一个基本概念。

作文

The concept of an elliptic orbit is fundamental in the field of astronomy and physics. An elliptic orbit refers to the path that an object, such as a planet or a satellite, follows as it moves around another celestial body. This motion is governed by the laws of gravity, particularly Newton's law of universal gravitation. The shape of an elliptic orbit is defined by an ellipse, which is a geometric figure resembling an elongated circle. In simple terms, when we think about the movement of planets around the sun, we can visualize their paths as elliptic orbits.One of the most famous examples of an elliptic orbit is the orbit of Earth around the Sun. According to Kepler's First Law of Planetary Motion, known as the law of ellipses, the planets move in elliptic orbits with the Sun at one of the two foci of the ellipse. This means that the distance between the Earth and the Sun varies throughout the year, resulting in changes in solar energy received by our planet, which in turn affects seasonal changes.Understanding elliptic orbits is crucial not only for astronomers but also for space exploration. When launching a spacecraft, mission planners must calculate the necessary trajectory to ensure that the spacecraft enters into a stable elliptic orbit around the Earth or any other celestial body. This involves complex calculations that take into account the gravitational pull of the Earth, the speed of the spacecraft, and its altitude. For instance, the Hubble Space Telescope operates in a low Earth orbit that is approximately elliptic, allowing it to capture stunning images of distant galaxies and celestial phenomena.Moreover, elliptic orbits are not limited to just planets and satellites. Comets, for example, also follow elliptic orbits as they travel through the solar system. The famous Halley's Comet has an orbital period of about 76 years, during which it travels from the outer regions of the solar system to the inner solar system and back again, following a highly elliptical path.In conclusion, the study of elliptic orbits provides valuable insights into the dynamics of celestial bodies and their interactions. It helps us understand the fundamental principles of motion in the universe and allows us to make predictions about the behavior of objects in space. As we continue to explore the cosmos, the knowledge of elliptic orbits will remain essential for both scientific research and practical applications in space travel. The beauty of the universe is reflected in these elegant paths that celestial bodies trace across the vastness of space, reminding us of the intricate dance of gravity that governs our existence.

“椭圆轨道”的概念在天文学和物理学领域中是基础性的。“椭圆轨道”指的是一个物体，例如行星或卫星，在围绕另一个天体运动时所遵循的路径。这种运动受重力法则的支配，特别是牛顿的万有引力定律。“椭圆轨道”的形状由椭圆定义，椭圆是一种类似于拉长圆形的几何图形。简单来说，当我们考虑行星围绕太阳的运动时，我们可以将它们的轨迹想象为“椭圆轨道”。地球围绕太阳的轨道是最著名的“椭圆轨道”之一。根据开普勒的第一行星运动定律，也称为椭圆定律，行星沿着“椭圆轨道”运动，太阳位于椭圆的两个焦点之一。这意味着地球与太阳之间的距离在一年中会变化，从而导致我们星球接收到的太阳能量变化，这反过来又影响季节的变化。理解“椭圆轨道”对于天文学家和太空探索都是至关重要的。在发射航天器时，任务规划者必须计算必要的轨迹，以确保航天器进入围绕地球或任何其他天体的稳定“椭圆轨道”。这涉及复杂的计算，需要考虑地球的引力、航天器的速度和高度。例如，哈勃太空望远镜在低地球轨道上运行，其轨道大约是“椭圆”的，使其能够捕捉到遥远星系和天体现象的惊人图像。此外，“椭圆轨道”并不仅限于行星和卫星。彗星也遵循“椭圆轨道”，在太阳系中旅行。著名的哈雷彗星的轨道周期约为76年，在此期间，它从太阳系的外部区域旅行到内部太阳系，再返回，沿着一条高度椭圆的路径移动。总之，对“椭圆轨道”的研究提供了有关天体动态及其相互作用的宝贵见解。它帮助我们理解宇宙中运动的基本原理，并使我们能够预测空间中物体的行为。随着我们继续探索宇宙，对“椭圆轨道”的知识将对科学研究和太空旅行的实际应用保持重要性。宇宙的美丽在这些优雅的路径中得以体现，天体在广阔的空间中描绘出它们的轨迹，提醒我们重力支配我们存在的复杂舞蹈。