time of nearest approach

简明释义

最接近时间

英英释义

例句

1.The mission control team monitored the time of nearest approach 最近接触时间 for the spacecraft as it neared Mars.

任务控制团队监测了航天器接近火星时的最近接触时间 time of nearest approach。

2.Engineers need to know the time of nearest approach 最近接触时间 to ensure safe operations during satellite deployments.

工程师需要知道最近接触时间 time of nearest approach以确保卫星部署期间的安全操作。

3.The astronomer calculated the time of nearest approach 最近接触时间 of the asteroid to Earth to predict its trajectory.

天文学家计算了小行星与地球的最近接触时间 time of nearest approach以预测其轨迹。

4.The software calculates the time of nearest approach 最近接触时间 for multiple celestial bodies in real-time.

该软件实时计算多个天体的最近接触时间 time of nearest approach。

5.During the conference, the speaker discussed the time of nearest approach 最近接触时间 of two satellites in orbit.

在会议上，演讲者讨论了两颗卫星在轨道上的最近接触时间 time of nearest approach。

作文

In the field of astronomy, the phrase time of nearest approach refers to the moment when two celestial bodies come closest to each other in their respective orbits. This concept is crucial for understanding the dynamics of planetary motion and the interactions between objects in space. For instance, when a comet approaches the Earth, astronomers calculate the time of nearest approach to predict its trajectory and assess any potential threats it might pose to our planet. By determining this time, scientists can also plan observational campaigns to study the comet more closely as it passes by. The time of nearest approach is not only significant for comets but also for asteroids. Many near-Earth objects (NEOs) are monitored closely, and their paths are calculated to ensure they do not pose a risk of collision with Earth. The time of nearest approach allows researchers to understand the gravitational influences that may alter an asteroid's path, providing essential data for planetary defense initiatives. Furthermore, the time of nearest approach is essential for space missions. When planning missions to other planets or moons, mission planners must consider the positions of various celestial bodies. For example, if a spacecraft is to rendezvous with a Mars orbiter, the time of nearest approach between the two must be precisely calculated to ensure a successful encounter. This requires extensive knowledge of orbital mechanics and the ability to predict future positions based on current data. The implications of the time of nearest approach extend beyond just scientific research; they also have practical applications. For example, satellite operators must account for the time of nearest approach when maneuvering satellites to avoid collisions in space. With the increasing number of satellites being launched, the risk of space debris and collisions has become a pressing concern. Understanding the time of nearest approach helps operators make informed decisions about when and how to adjust their satellites' orbits. In conclusion, the time of nearest approach is a vital concept in astronomy and space exploration. It encompasses the calculations and predictions necessary for understanding the behavior of celestial bodies and ensuring the safety of both Earth and space missions. As technology continues to advance, our ability to accurately determine the time of nearest approach will enhance our understanding of the universe and improve our capacity to protect our planet from potential threats. Through ongoing research and observation, we can continue to refine our knowledge of these cosmic events and their implications for humanity. Overall, the time of nearest approach serves as a reminder of the intricate dance of celestial bodies and the importance of vigilance in our exploration of the cosmos.

在天文学领域，短语time of nearest approach指的是两个天体在各自轨道中最接近彼此的时刻。这个概念对于理解行星运动的动态以及太空中物体之间的相互作用至关重要。例如，当一颗彗星接近地球时，天文学家会计算time of nearest approach以预测其轨迹，并评估它可能对我们星球构成的潜在威胁。通过确定这个时间，科学家们还可以计划观察活动，以便在彗星经过时更仔细地研究它。time of nearest approach不仅对彗星重要，对小行星也同样如此。许多近地天体（NEO）被密切监测，它们的路径被计算以确保不会与地球发生碰撞。time of nearest approach使研究人员能够理解可能改变小行星轨道的引力影响，为行星防御倡议提供必要的数据。此外，time of nearest approach对太空任务也是至关重要的。在规划前往其他行星或月球的任务时，任务规划者必须考虑各种天体的位置。例如，如果一艘航天器要与火星轨道器会合，则必须精确计算两者之间的time of nearest approach以确保成功遭遇。这需要广泛的轨道力学知识以及根据当前数据预测未来位置的能力。time of nearest approach的影响不仅限于科学研究；它们还有实际应用。例如，卫星操作员在操控卫星以避免太空中的碰撞时，必须考虑time of nearest approach。随着发射卫星数量的增加，太空碎片和碰撞的风险已成为一个紧迫的问题。了解time of nearest approach有助于操作员做出有关何时以及如何调整卫星轨道的明智决定。总之，time of nearest approach是天文学和太空探索中的一个重要概念。它涵盖了理解天体行为和确保地球及太空任务安全所需的计算和预测。随着技术的不断进步，我们准确确定time of nearest approach的能力将增强我们对宇宙的理解，并改善我们保护地球免受潜在威胁的能力。通过持续的研究和观察，我们可以继续完善对这些宇宙事件及其对人类影响的知识。总的来说，time of nearest approach提醒我们天体之间复杂的舞蹈以及在探索宇宙过程中的警惕性的重要性。