kilometres per second

简明释义

公里秒

英英释义

例句

1.The comet was observed to be moving at a speed of 50 kilometres per second (公里每秒) as it approached the sun.

当彗星接近太阳时，观察到它的速度为50公里每秒（公里每秒）。

2.The fastest recorded object in space travels at approximately 430 kilometres per second (公里每秒).

在太空中记录到的最快物体的速度约为430公里每秒（公里每秒）。

3.In particle physics, particles are accelerated to speeds exceeding 99% of the speed of light, which is about 300,000 kilometres per second (公里每秒).

在粒子物理学中，粒子被加速到超过99%的光速，约为300,000公里每秒（公里每秒）。

4.A shooting star can move at speeds of up to 70 kilometres per second (公里每秒) as it enters the Earth's atmosphere.

流星在进入地球大气层时的速度可高达70公里每秒（公里每秒）。

5.The spacecraft travels at a speed of kilometres per second (公里每秒) to reach its destination in record time.

这艘宇宙飞船以<品>公里每秒的速度（公里每秒）快速到达目的地。

作文

The universe is a vast and mysterious place, filled with wonders that often challenge our understanding of physics and the limits of human comprehension. One of the most fascinating aspects of space exploration is the speed at which celestial objects move. For instance, when we talk about the velocity of stars or spacecraft, we often use the measurement of kilometres per second (每秒公里), which provides a clearer picture of how fast these entities are traveling through the cosmos.In recent years, advancements in technology have allowed scientists to study the movements of various astronomical bodies in great detail. For example, the Voyager spacecraft, which was launched in 1977, travels through the solar system at an impressive speed of approximately 17 kilometers per second. This speed, which may seem ordinary compared to our daily experiences on Earth, is astonishing when you consider the vast distances involved in space travel. At this rate, Voyager has traveled beyond the outer planets and into interstellar space, sending back valuable data about the heliosphere and the boundaries of our solar system.Another captivating example is the speed of light, which is about 300,000 kilometers per second. While this is not directly comparable to kilometres per second (每秒公里) in terms of everyday travel, it serves as a benchmark for understanding the incredible velocities found in the universe. Light from distant stars takes years to reach us, illustrating just how immense space truly is. When we observe a star that is millions of light-years away, we are essentially looking back in time, witnessing events that occurred long before our planet even existed.The concept of kilometres per second (每秒公里) also plays a crucial role in understanding the dynamics of galaxies. Galaxies are not static; they are constantly moving and interacting with one another. The Milky Way, our home galaxy, is on a collision course with the Andromeda Galaxy, which is approaching at a speed of about 110 kilometers per second. This impending collision, predicted to occur in approximately 4.5 billion years, will lead to the formation of a new galaxy, showcasing the ever-changing nature of the universe.Moreover, the study of kilometres per second (每秒公里) extends beyond astronomy and into the field of particle physics. In particle accelerators, subatomic particles are accelerated to speeds nearing the speed of light, measured in kilometres per second (每秒公里). These experiments help scientists understand fundamental forces and particles that make up the universe, providing insights into the origins of matter and the fabric of reality itself.In conclusion, the measurement of kilometres per second (每秒公里) is not just a simple unit of speed; it encapsulates the awe-inspiring dynamics of the universe. From the motion of spacecraft to the interactions of galaxies and the behavior of particles, this unit helps us grasp the enormity of the cosmos and our place within it. As we continue to explore and learn, the significance of kilometres per second (每秒公里) will only grow, reminding us of the incredible journey that lies ahead in our quest for knowledge.

宇宙是一个广阔而神秘的地方，充满了常常挑战我们对物理学和人类理解极限的奇观。太空探索中最迷人的方面之一是天体运动的速度。例如，当我们谈论恒星或宇宙飞船的速度时，我们通常使用每秒公里（kilometres per second）这一单位，这为我们提供了这些实体在宇宙中移动速度的更清晰的图景。近年来，科技的进步使科学家能够详细研究各种天体的运动。例如，1977年发射的旅行者号宇宙飞船以大约每秒17公里的令人印象深刻的速度穿越太阳系。这个速度在我们日常生活中可能看起来很普通，但当你考虑到太空旅行涉及的巨大距离时，它是惊人的。在这个速度下，旅行者号已经越过外行星，进入了星际空间，回传了关于日光层和我们太阳系边界的宝贵数据。另一个引人入胜的例子是光速，大约是每秒30万公里。虽然这与每秒公里（kilometres per second）在日常旅行中的比较并不直接，但它作为理解宇宙中惊人速度的基准是非常重要的。来自遥远恒星的光需要数年才能到达我们，这说明了宇宙的浩瀚。当我们观察一颗距离我们数百万光年的恒星时，我们实际上是在回顾时间，目睹发生在我们星球存在之前的事件。每秒公里（kilometres per second）的概念在理解星系的动力学中也发挥着至关重要的作用。星系并不是静态的；它们不断地移动并相互作用。我们的家园银河系正朝着仙女座星系碰撞，后者以约每秒110公里的速度接近。这场预计将在大约45亿年后发生的碰撞将导致新星系的形成，展示了宇宙的不断变化本质。此外，每秒公里（kilometres per second）的研究超越了天文学，进入粒子物理学领域。在粒子加速器中，亚原子粒子被加速到接近光速的速度，以每秒公里（kilometres per second）计量。这些实验帮助科学家理解构成宇宙的基本力量和粒子，为物质的起源和现实本质提供了深入的见解。总之，每秒公里（kilometres per second）的测量不仅仅是一个简单的速度单位；它概括了宇宙令人敬畏的动态。从宇宙飞船的运动到星系的相互作用，再到粒子的行为，这个单位帮助我们理解宇宙的庞大以及我们在其中的位置。随着我们继续探索和学习，每秒公里（kilometres per second）的重要性只会增加，提醒我们在追求知识的旅程中前方的不可思议。