astronautical speed

简明释义

宇宙速度

英英释义

例句

1.Astronauts undergo rigorous training to handle the effects of astronautical speed 航天速度 during launch.

宇航员接受严格训练，以应对发射过程中航天速度的影响。

2.Engineers are testing new propulsion systems that can accelerate to astronautical speed 航天速度 efficiently.

工程师们正在测试新的推进系统，这些系统能够有效地加速到航天速度。

3.The mission's success depended on reaching astronautical speed 航天速度 within a specific time frame.

任务的成功依赖于在特定时间内达到航天速度。

4.The spacecraft was designed to reach astronautical speed 航天速度 in less than five minutes after launch.

这艘宇宙飞船的设计目标是在发射后不到五分钟内达到航天速度。

5.To successfully enter orbit, a vehicle must achieve astronautical speed 航天速度.

要成功进入轨道，飞行器必须达到航天速度。

作文

The concept of astronautical speed has become increasingly relevant in today's discussions about space exploration and technology. To understand this term, we must first recognize what it means in the context of space travel. astronautical speed refers to the velocity required for a spacecraft to escape Earth's gravitational pull and navigate through the vastness of outer space. This speed is not just a number; it represents the culmination of decades of research, engineering, and human ingenuity.Historically, the journey to achieving astronautical speed began with the launch of the first artificial satellite, Sputnik, in 1957. This event marked the beginning of the Space Age and set the stage for subsequent missions that would push the boundaries of human capability. The speed needed to place a satellite into orbit is approximately 28,000 kilometers per hour (17,500 miles per hour). This is just a fraction of what is required for interplanetary travel, where speeds can reach upwards of 100,000 kilometers per hour (62,000 miles per hour) or more.As we look to the future, the importance of astronautical speed cannot be overstated. With plans for missions to Mars and beyond, scientists and engineers are constantly working to develop technologies that can achieve these extraordinary velocities. One of the most promising advancements in this area is the development of propulsion systems that utilize ion thrusters or nuclear thermal propulsion. These technologies have the potential to significantly reduce travel time to distant planets, making human colonization a more feasible endeavor.Moreover, the quest for astronautical speed is not limited to reaching other planets. It also plays a crucial role in understanding our own planet's atmosphere and the effects of climate change. Satellites that orbit Earth at high speeds provide invaluable data for meteorology, environmental monitoring, and disaster response. By achieving the right velocities, these satellites can gather comprehensive information that helps scientists make informed decisions about our planet's health.In addition to its scientific significance, astronautical speed has captured the imagination of the public. Movies, books, and documentaries often depict space travel as an adventure filled with excitement and danger. The idea of traveling at such incredible speeds evokes a sense of wonder and possibility. It inspires future generations to pursue careers in science, technology, engineering, and mathematics (STEM), ensuring that the spirit of exploration continues.In conclusion, astronautical speed is a critical concept in the realm of space exploration. It encompasses not only the technical aspects of launching and navigating spacecraft but also the broader implications for humanity's quest to explore the universe. As we continue to push the limits of what is possible, understanding and mastering astronautical speed will be essential for the next chapter in our journey among the stars. The pursuit of this speed is a testament to human innovation and our relentless desire to explore the unknown, reminding us that the sky is not the limit, but merely the beginning of our adventure.

“宇航速度”这一概念在当今关于太空探索和科技的讨论中变得越来越相关。要理解这个术语，我们首先必须认识到它在太空旅行背景下的含义。“宇航速度”指的是航天器逃离地球引力并在浩瀚的外太空中导航所需的速度。这一速度不仅仅是一个数字；它代表了数十年研究、工程和人类智慧的结晶。从历史上看，实现“宇航速度”的旅程始于1957年发射的第一颗人造卫星——斯普特尼克。这一事件标志着太空时代的开始，为后续的任务奠定了基础，这些任务将推动人类能力的边界。将卫星送入轨道所需的速度约为每小时28000公里（每小时17500英里）。这仅仅是进行星际旅行所需速度的一小部分，后者的速度可以达到每小时10万公里（每小时62000英里）或更高。展望未来，“宇航速度”的重要性不言而喻。随着对火星及其他天体的任务计划，科学家和工程师们不断努力开发能够实现这些非凡速度的技术。在这一领域最有前景的进展之一是推进系统的发展，这些系统利用离子推进器或核热推进。这些技术有潜力显著减少前往遥远行星的旅行时间，使人类殖民成为更可行的事业。此外，“宇航速度”不仅限于到达其他行星。它在理解我们自己星球的大气层和气候变化影响方面也发挥着至关重要的作用。以高速绕地球轨道飞行的卫星为气象学、环境监测和灾害响应提供了宝贵的数据。通过达到正确的速度，这些卫星能够收集全面的信息，帮助科学家做出关于我们星球健康的明智决策。除了科学意义外，“宇航速度”还激发了公众的想象力。电影、书籍和纪录片常常将太空旅行描绘成充满兴奋和危险的冒险。以如此惊人的速度旅行的想法唤起了人们的奇迹和可能性。它激励着未来的几代人追求科学、技术、工程和数学（STEM）领域的职业，确保探索精神的延续。总之，“宇航速度”是太空探索领域的一个关键概念。它不仅涵盖了发射和导航航天器的技术方面，也包括了人类探索宇宙追求的更广泛意义。随着我们继续推动可能性的极限，理解和掌握“宇航速度”将是我们在星际旅程中下一章的关键。这一速度的追求是人类创新的见证，也是我们无尽探索未知的渴望的体现，提醒我们，天空并不是极限，而只是我们冒险的开始。