closed orbit

简明释义

闭合轨道

英英释义

例句

1.The planets in our solar system follow a closed orbit 封闭轨道 around the sun due to gravitational forces.

我们太阳系中的行星由于引力的作用，沿着封闭轨道 closed orbit围绕太阳运行。

2.The satellite travels in a closed orbit 封闭轨道 around the Earth, allowing it to maintain a stable position relative to the planet.

这颗卫星在地球周围以一个封闭轨道 closed orbit运行，使其能够保持相对于地球的稳定位置。

3.In physics, a closed orbit 封闭轨道 means that an object returns to its starting point after completing its path.

在物理学中，封闭轨道 closed orbit意味着一个物体在完成其路径后返回到起点。

4.The concept of a closed orbit 封闭轨道 is crucial in understanding celestial mechanics.

理解天体力学时，封闭轨道 closed orbit的概念至关重要。

5.Asteroids can also have a closed orbit 封闭轨道 around the sun, which can be predicted using mathematical models.

小行星也可以围绕太阳拥有一个封闭轨道 closed orbit，这可以通过数学模型进行预测。

作文

In the realm of physics and astronomy, the concept of a closed orbit is fundamental to our understanding of how celestial bodies move through space. A closed orbit refers to a path that an object follows around another object in a way that eventually brings it back to its starting point. This phenomenon can be observed in various systems, such as planets orbiting the sun or moons orbiting their respective planets. The importance of closed orbits lies in their predictability and stability, which play a crucial role in the dynamics of celestial mechanics.The most iconic example of a closed orbit is that of Earth as it revolves around the Sun. This elliptical path allows Earth to maintain a consistent distance from the Sun, ensuring that conditions remain suitable for life. The gravitational force exerted by the Sun keeps Earth in this closed orbit, preventing it from drifting away into space. Similarly, the Moon follows a closed orbit around Earth, resulting in the familiar phases of the Moon that we observe each month.Understanding closed orbits is essential not only for astronomers but also for engineers involved in space missions. When launching satellites, scientists must calculate the precise trajectory required to achieve a stable closed orbit. If these calculations are incorrect, the satellite may end up in an unstable orbit or even escape Earth's gravitational pull altogether. Thus, the principles governing closed orbits are critical for the success of space exploration.Moreover, closed orbits are not limited to natural celestial bodies. Artificial satellites, such as those used for communication and weather monitoring, also rely on closed orbits to function effectively. Geostationary satellites, for instance, maintain a closed orbit that allows them to stay over the same point on Earth, providing constant coverage to specific regions. This capability has revolutionized global communication and weather forecasting, demonstrating the practical applications of the closed orbit concept.In addition to their significance in astronomy and engineering, closed orbits also have philosophical implications. They remind us of the cyclical nature of existence and the interconnectedness of all things in the universe. Just as planets follow their closed orbits, so too do human experiences often follow patterns of repetition and return. This perspective encourages us to reflect on our own lives and consider how we may find ourselves revisiting certain themes or challenges over time.In conclusion, the concept of a closed orbit is a vital part of our understanding of the universe. From the movements of planets and moons to the trajectories of artificial satellites, closed orbits provide a framework for predicting and analyzing motion in space. Their significance extends beyond scientific inquiry, offering insights into the nature of existence itself. As we continue to explore the cosmos, the study of closed orbits will undoubtedly remain a cornerstone of our quest for knowledge about the universe and our place within it.

在物理学和天文学领域，闭合轨道的概念对我们理解天体如何在太空中运动至关重要。闭合轨道是指一个物体围绕另一个物体运动的路径，以一种最终将其带回起点的方式。这一现象可以在各种系统中观察到，例如行星围绕太阳运动或卫星围绕各自的行星运动。闭合轨道的重要性在于其可预测性和稳定性，这在天体力学的动态中发挥着关键作用。地球围绕太阳转动的轨迹是最具代表性的闭合轨道例子。这条椭圆形的路径使地球能够维持与太阳之间的恒定距离，从而确保适合生命的条件。太阳施加的引力使地球保持在这条闭合轨道上，防止其漂移到太空中。同样，月球也沿着地球的闭合轨道运行，导致我们每个月都能观察到熟悉的月相。理解闭合轨道对于天文学家和参与太空任务的工程师至关重要。在发射卫星时，科学家必须计算出实现稳定闭合轨道所需的精确轨迹。如果这些计算不正确，卫星可能会进入不稳定的轨道，甚至完全逃离地球的引力。因此，支配闭合轨道的原理对太空探索的成功至关重要。此外，闭合轨道并不仅限于自然天体。人工卫星，如用于通信和天气监测的卫星，也依赖于闭合轨道以有效运作。例如，地球静止卫星维护着一种闭合轨道，使其能够停留在地球的同一点上，为特定区域提供持续覆盖。这种能力彻底改变了全球通信和天气预报，展示了闭合轨道概念的实际应用。除了在天文学和工程学中的重要性外，闭合轨道还具有哲学意义。它们提醒我们存在的循环性质以及宇宙中万物的相互联系。正如行星遵循它们的闭合轨道，人类的经历往往也会遵循重复和回归的模式。这种视角鼓励我们反思自己的生活，考虑我们如何可能在某些主题或挑战上随着时间的推移不断重访。总之，闭合轨道的概念是我们理解宇宙的重要组成部分。从行星和月球的运动到人工卫星的轨迹，闭合轨道为预测和分析太空中的运动提供了框架。它们的意义超越了科学探究，为我们提供了关于存在本质的洞察。随着我们继续探索宇宙，对闭合轨道的研究无疑将继续成为我们对宇宙及其在其中的位置的知识追求的基石。