apogean range

简明释义

远地点潮潮差

英英释义

例句

1.Scientists measured the apogean range of the asteroid to assess potential collision risks with Earth.

科学家测量了小行星的远地点范围以评估与地球的潜在碰撞风险。

2.The spacecraft was designed to operate efficiently within its apogean range during its mission.

该航天器被设计为在其任务期间有效地运行于远地点范围内。

3.The apogean range of the satellite's orbit determines how long it can stay in the desired position.

卫星轨道的远地点范围决定了它可以在所需位置停留多长时间。

4.Understanding the apogean range of the moon's orbit is crucial for accurate astronomical predictions.

理解月球轨道的远地点范围对于准确的天文预测至关重要。

5.The satellite's orbit reached its apogean range, allowing for a clearer view of the Earth's surface.

卫星的轨道达到了它的远地点范围，这使得能够更清晰地观察地球表面。

作文

In the vast expanse of the universe, celestial bodies traverse their orbits, each following the laws of physics that govern their motion. Among these phenomena, the concept of the apogean range plays a crucial role in understanding the dynamics of satellites and other orbiting objects. The term apogean range refers to the distance between the apogee—the point in an orbit where an object is farthest from the Earth—and the perigee, the point where it is closest. This range can significantly affect the behavior of satellites, influencing their speed, trajectory, and the gravitational forces they experience.Satellites are launched into specific orbits based on their intended function, whether for communication, weather monitoring, or scientific research. The choice of orbit often depends on the apogean range required for optimal performance. For instance, geostationary satellites maintain a fixed position relative to the Earth's surface by orbiting at an altitude where their apogean range allows them to match the Earth's rotation. This enables them to provide consistent coverage over a particular area, making them invaluable for telecommunications and broadcasting.Conversely, low Earth orbit (LEO) satellites operate within a much smaller apogean range, typically ranging from 160 to 2,000 kilometers above the Earth. These satellites move quickly across the sky, completing an orbit in approximately 90 to 120 minutes. Their apogean range allows for lower latency in communication and higher-resolution imaging, which is essential for applications like Earth observation and reconnaissance.Understanding the apogean range also helps scientists and engineers predict the lifespan of satellites. As satellites age, their orbits may decay due to atmospheric drag, particularly for those in low Earth orbit. Monitoring changes in the apogean range can provide insights into when a satellite may need to be decommissioned or replaced, ensuring that essential services remain uninterrupted.Moreover, the apogean range is critical in planning space missions. When sending spacecraft to other celestial bodies, mission planners must calculate the apogean range to ensure that the vehicle can achieve the necessary velocity and trajectory to reach its destination. For example, a mission to Mars would require precise calculations of the apogean range to ensure that the spacecraft can enter Martian orbit successfully and carry out its scientific objectives.In conclusion, the concept of the apogean range is fundamental to our understanding of orbital mechanics and satellite functionality. It influences the design and operation of satellites, impacts communication technologies, and guides interplanetary exploration. As we continue to expand our presence in space, the importance of mastering the apogean range will only grow, paving the way for future advancements in technology and exploration. By comprehending this concept, we can better appreciate the complexities of the universe and our place within it.

在宇宙的广阔空间中，天体沿着轨道运行，每个天体遵循着支配其运动的物理法则。在这些现象中，apogean range（远地点范围）的概念在理解卫星和其他轨道物体的动态中起着至关重要的作用。apogean range指的是远地点（即轨道上物体距地球最远的点）与近地点（即物体距地球最近的点）之间的距离。这一范围会显著影响卫星的行为，影响它们的速度、轨迹以及所经历的引力。卫星根据其预期功能被发射到特定的轨道，无论是用于通信、天气监测还是科学研究。轨道的选择往往取决于所需的apogean range以实现最佳性能。例如，静止卫星通过在一个高度保持固定位置相对于地球表面来运作，其apogean range使其与地球的自转相匹配。这使得它们能够为特定区域提供持续的覆盖，成为电信和广播中不可或缺的部分。相反，低地球轨道（LEO）卫星在一个较小的apogean range内运行，通常在离地球160到2000公里的高度。这些卫星在天空中快速移动，完成一个轨道大约需要90到120分钟。它们的apogean range允许更低的通信延迟和更高分辨率的成像，这对于地球观测和侦察等应用至关重要。理解apogean range也有助于科学家和工程师预测卫星的使用寿命。随着卫星的老化，由于大气阻力，特别是对于那些在低地球轨道中的卫星，它们的轨道可能会衰减。监测apogean range的变化可以提供有关卫星何时需要退役或更换的见解，从而确保必要服务的不断进行。此外，apogean range在规划太空任务中至关重要。当向其他天体发送航天器时，任务规划者必须计算apogean range以确保航天器能够达到所需的速度和轨迹以到达目的地。例如，前往火星的任务需要精确计算apogean range，以确保航天器能够成功进入火星轨道并执行其科学目标。总之，apogean range的概念是我们理解轨道力学和卫星功能的基础。它影响卫星的设计和操作，影响通信技术，并指导行星际探索。随着我们继续扩大在太空中的存在，掌握apogean range的重要性只会增加，为未来技术和探索的进步铺平道路。通过理解这一概念，我们可以更好地欣赏宇宙的复杂性及我们在其中的位置。