orbital period

简明释义

轨道运行周期

英英释义

例句

1.The Earth has an orbital period of approximately 365.25 days, which defines our year.

地球的轨道周期大约为365.25天，这定义了我们的一年。

2.The orbital period of the moon around Earth is about 27.3 days.

月球绕地球的轨道周期大约为27.3天。

3.Saturn's orbital period is around 29.5 Earth years.

土星的轨道周期约为29.5个地球年。

4.Comets can have very long orbital periods, sometimes taking thousands of years to complete one orbit.

彗星的轨道周期可能非常长，有时需要数千年才能完成一次轨道。

5.Mars has a longer orbital period of about 687 Earth days.

火星的轨道周期大约为687个地球日，时间更长。

作文

The concept of the orbital period refers to the time it takes for a celestial body to complete one full orbit around another body in space. This is a fundamental aspect of astronomy that helps us understand the dynamics of our solar system and beyond. For instance, the Earth has an orbital period of approximately 365.25 days, which defines our calendar year. This duration is not arbitrary; it results from the gravitational interactions between the Earth and the Sun. Similarly, other planets have their own unique orbital periods. For example, Mars takes about 687 Earth days to complete its orbit, while Jupiter, being much farther from the Sun, has an orbital period of about 11.86 Earth years.Understanding orbital periods is crucial for various fields, including space exploration, satellite deployment, and even climate science. Satellites, for instance, are placed in specific orbits around the Earth to ensure they can effectively communicate, gather data, or provide navigation services. The selection of an appropriate orbital period is essential for these functions. For geostationary satellites, the orbital period matches the Earth's rotation period, allowing them to stay fixed over one position on the Earth's surface.Moreover, the study of orbital periods extends beyond our solar system. Astronomers observe exoplanets, which are planets located outside our solar system, by measuring their orbital periods. By analyzing how long it takes for a planet to orbit its star, scientists can infer various characteristics about the planet, such as its distance from the star and potential habitability.In addition to the practical applications, the concept of orbital period also invites philosophical reflections on the nature of time and space. Each planet's orbital period is a reminder of the vastness of the universe and the intricate dance of celestial bodies governed by the laws of physics. It evokes a sense of wonder about our place in the cosmos and the forces that shape our existence.In conclusion, the orbital period is a key element in understanding the movements of celestial bodies within our universe. Its implications stretch across scientific disciplines and provoke deeper thought about the nature of reality. Whether we are looking at the orbital period of the Earth, Mars, or distant exoplanets, we gain insights into the mechanics of our universe and the relationships between different celestial entities. As we continue to explore space, the significance of the orbital period will undoubtedly remain a cornerstone of our astronomical knowledge.

“轨道周期”这一概念是指天体围绕另一个天体在太空中完成一次完整轨道所需的时间。这是天文学的一个基本方面，有助于我们理解太阳系及其以外的动态。例如，地球的“轨道周期”大约为365.25天，这定义了我们的日历年。这个时长并非任意，而是源于地球与太阳之间的引力相互作用。同样，其他行星也有其独特的“轨道周期”。例如，火星完成一次轨道需要大约687个地球日，而木星由于距离太阳更远，其“轨道周期”约为11.86个地球年。理解“轨道周期”对于多个领域至关重要，包括太空探索、卫星部署，甚至气候科学。例如，卫星被放置在特定的轨道上，以确保它们能够有效地进行通信、收集数据或提供导航服务。选择适当的“轨道周期”对这些功能至关重要。对于静止卫星，其“轨道周期”与地球的自转周期相匹配，从而使它们能够固定在地球表面上的一个位置。此外，“轨道周期”的研究超越了我们的太阳系。天文学家通过测量外行星的“轨道周期”来观察位于太阳系外的行星。通过分析一颗行星围绕其恒星的轨道所需时间，科学家可以推断出关于该行星的各种特征，例如它与恒星的距离及潜在的适居性。除了实际应用外，“轨道周期”的概念还引发了关于时间和空间本质的哲学思考。每颗行星的“轨道周期”提醒着我们宇宙的广阔以及受物理法则支配的天体之间复杂的舞蹈。这唤起了我们对宇宙中自身位置和塑造我们存在的力量的敬畏感。总之，“轨道周期”是理解宇宙中天体运动的关键要素。其影响跨越科学学科，并引发对现实本质的更深思考。无论我们是在观察地球、火星还是遥远的外行星的“轨道周期”，我们都能获得关于宇宙机制和不同天体之间关系的洞见。随着我们继续探索太空，“轨道周期”的重要性无疑将继续成为我们天文学知识的基石。