closest approach
简明释义
最近的道路
英英释义
例句
1.The astronomers calculated the closest approach 最近接近 of the comet to Earth next month.
天文学家计算了下个月彗星与地球的最近接近。
2.At the closest approach 最近接近, the satellite will gather important data about the planet's atmosphere.
在最近接近时,卫星将收集有关行星大气的重要数据。
3.During the mission, the spacecraft will reach its closest approach 最近接近 to Mars in two days.
在任务期间,宇宙飞船将在两天内达到与火星的最近接近。
4.The closest approach 最近接近 of the two ships was only a few meters apart.
这两艘船的最近接近仅相距几米。
5.Understanding the closest approach 最近接近 of asteroids can help prevent potential collisions with Earth.
了解小行星的最近接近可以帮助防止与地球的潜在碰撞。
作文
In the vast expanse of the universe, celestial bodies often move in orbits that bring them into proximity with one another. This phenomenon is known as the closest approach, which refers to the point at which two astronomical objects come nearest to each other during their respective paths through space. Understanding this concept is crucial for astronomers and space enthusiasts alike, as it can provide insights into gravitational interactions, potential collisions, and the dynamics of our solar system. The closest approach of planets, asteroids, and comets can be a spectacular event. For instance, when a comet approaches the Sun, it may become visible from Earth, creating a breathtaking display in the night sky. The closest approach of these celestial bodies is not only an opportunity for observation but also a chance to study their composition and behavior under different gravitational influences. One of the most notable examples of closest approach occurred in 2020 when the asteroid 2020 CD3 made its way past Earth. This small asteroid, measuring only a few meters in diameter, provided scientists with valuable data about near-Earth objects. By monitoring its trajectory and analyzing its closest approach to our planet, researchers were able to refine their understanding of how such bodies interact with Earth's gravity and atmosphere. Moreover, the closest approach can also have significant implications for space missions. When planning a mission to Mars, for example, engineers must carefully calculate the timing of the spacecraft's launch to coincide with the closest approach of Earth and Mars. This alignment ensures that the journey is as efficient as possible, minimizing fuel consumption and travel time. The next closest approach between these two planets will occur in 2028, and scientists are already preparing for potential missions to explore the Martian surface further. In addition to practical applications, the concept of closest approach can also serve as a metaphor in our daily lives. Just as celestial bodies have moments when they come close to one another, people too experience periods of connection and distance in their relationships. These moments can be fleeting, yet they hold the potential for profound impact. Recognizing when we are at a closest approach with someone can help us deepen our connections, foster understanding, and create lasting memories. In conclusion, the term closest approach encompasses both scientific significance and personal relevance. Whether in the context of astronomical events or human relationships, the idea of coming together at a pivotal moment can lead to exploration, discovery, and growth. As we continue to observe the cosmos and navigate our interpersonal connections, let us remain mindful of the beauty found in these closest approaches. They remind us of the intricate dance of life, where distance and closeness coexist, shaping our experiences and understanding of the universe around us.
在宇宙的广袤空间中,天体常常沿着轨道运动,使它们彼此接近。这种现象被称为closest approach,指的是两个天文物体在各自的轨道中相遇时最接近彼此的点。理解这一概念对天文学家和太空爱好者至关重要,因为它可以提供关于引力相互作用、潜在碰撞以及我们太阳系动态的见解。closest approach的行星、小行星和彗星可能是一个壮观的事件。例如,当一颗彗星接近太阳时,它可能会从地球上可见,创造出夜空中令人叹为观止的景象。closest approach的这些天体不仅是观察的机会,也是研究它们在不同引力影响下的组成和行为的机会。 2020年发生的closest approach是一个值得注意的例子,当时小行星2020 CD3经过地球。这颗直径仅几米的小行星为科学家提供了关于近地天体的宝贵数据。通过监测其轨迹并分析其与我们星球的closest approach,研究人员能够完善对这些天体如何与地球的引力和大气相互作用的理解。此外,closest approach也可能对太空任务产生重大影响。例如,在规划前往火星的任务时,工程师必须仔细计算航天器发射的时机,以与地球和火星的closest approach相吻合。这种对齐确保了旅程尽可能高效,最小化燃料消耗和旅行时间。下一次地球与火星的closest approach将发生在2028年,科学家们已经在为潜在的探索火星表面的任务做好准备。除了实际应用外,closest approach的概念还可以作为我们日常生活中的一种隐喻。正如天体有时会彼此接近一样,人们在他们的关系中也经历着连接和距离的时期。这些时刻可能是短暂的,但它们具有深远的影响。认识到我们与某人处于closest approach时,可以帮助我们加深联系、促进理解,并创造持久的记忆。总之,术语closest approach既包含科学意义,也具有个人相关性。无论是在天文事件还是人际关系的背景下,接近某个关键时刻的想法都可以导致探索、发现和成长。当我们继续观察宇宙并驾驭人际关系时,让我们保持对这些closest approaches中所蕴含美丽的关注。它们提醒我们生活的复杂舞蹈,在那里距离和亲密共存,塑造着我们对周围宇宙的体验和理解。
相关单词