thermosphere

简明释义

英[ˈθɜːməsfɪə(r)]美[ˈθɜːrməsfɪr]

n. 热大气层；热电离层

英英释义

单词用法

同义词

反义词

例句

1.The thermosphere interacts strongly with the sun and hence is greatly influenced by the sun's solar activity, which occurs in cycles.

强烈的热层与太阳交互作用，因此受较大的周期发生的太阳活动影响。

2.In the course of acoustic-gravity wave (AGW) propagation, a coupling relation between the ozone density oscillations (ODO) and temperature fluctuations (TF) in the lower thermosphere is presented.

本文求出了声重波传播过程中，低热层臭氧含量振荡和温度场起伏间的耦合关系。

3.After the thermosphere is the thermopause, which is the outer most boundary of the thermosphere.

热成层之后是热成层顶，它是热成层的最外边界。

4.This is the biggest contraction of the thermosphere in at least 43 years.

这是至少在43年中最大的热大气层收缩。

5.The thermosphere, which blocks harmful ultraviolet rays, expands and contracts regularly due to the sun's activities.

由于太阳的活动，阻挡有害紫外线的热大气层会定期扩张和收缩。

6.Thermosphere: Heating, density increase, expansion at high latitude.

热层：加热过程，密度增长，在高纬的扩张。

7.When solar activity is high, solar extreme ultraviolet rays warm and expand the thermosphere.

当太阳活动剧烈时，太阳极端的紫外线会加热并使热大气层扩张。

8.In the course of acoustic-gravity wave (AGW) propagation, a coupling relation between the ozone density oscillations (ODO) and temperature fluctuations (TF) in the lower thermosphere is presented.

本文求出了声重波传播过程中，低热层臭氧含量振荡和温度场起伏间的耦合关系。

9.Above the stratosphere, blue layers mark the upper atmosphere (including the mesosphere, thermosphere, ionosphere, and exosphere) as it gradually fades into the blackness of outer space.

在大气层上，蓝色的部分表示上层大气(包括中间层、热层、电离层、外逸层)，它们渐渐消逝到外空间的黑暗中。

10.Still, the collapse of the thermosphere was bigger than the sun's activity alone can explain.

尽管如此，该热层塌陷是比太阳的活动可以解释的理由还要剧烈。

11.During a solar storm, the thermosphere becomes highly energized, affecting radio communications on Earth.

在太阳风暴期间，热层会高度能量化，影响地球上的无线电通讯。

12.The satellites orbiting Earth operate in the thermosphere, where temperatures can reach up to 2,500 degrees Celsius.

卫星在地球的热层中运行，温度可以达到2500摄氏度。

13.The thermosphere is located above the mesosphere and extends to about 600 kilometers above the Earth's surface.

热层位于中层大气之上，延伸到地球表面约600公里的高度。

14.The auroras we see at the poles occur in the thermosphere, caused by solar particles colliding with the atmosphere.

我们在极地看到的极光发生在热层中，是由于太阳粒子与大气碰撞造成的。

15.Researchers study the thermosphere to understand its role in atmospheric chemistry and climate change.

研究人员研究热层以了解其在大气化学和气候变化中的作用。

作文

The Earth's atmosphere is divided into several layers, each with its own unique characteristics and functions. One of the most fascinating layers is the thermosphere, which lies above the mesosphere and extends from about 85 kilometers (53 miles) to 600 kilometers (373 miles) above the Earth's surface. This layer is particularly interesting due to its high temperatures and the presence of ionized gases. In this essay, we will explore the thermosphere and its significance in our planet's atmospheric structure.The thermosphere is known for its extreme temperatures, which can reach up to 2,500 degrees Celsius (4,500 degrees Fahrenheit) or more. However, despite these high temperatures, this layer would not feel hot to a human being because of the thinness of the air. The thermosphere contains very few air molecules, so there is not enough matter to conduct heat effectively. This phenomenon makes it a unique environment where temperature does not correlate with the sensation of heat.Another remarkable feature of the thermosphere is the presence of ionized particles. The sun emits solar radiation, which interacts with the gases in this layer, causing them to become ionized. This process creates a region filled with charged particles, which is essential for the functioning of various technologies. For instance, the thermosphere plays a crucial role in radio communication and GPS systems. The ionized particles can reflect radio waves, allowing signals to travel over long distances. This characteristic is invaluable for global communications, making the thermosphere an integral part of our technological infrastructure.Moreover, the thermosphere is also home to the auroras, which are spectacular natural light displays occurring near the polar regions. When charged particles from the sun collide with gases in the thermosphere, they produce beautiful colors in the sky, typically green, pink, and purple. These auroras serve as a reminder of the dynamic interactions between the Earth and the sun, highlighting the importance of the thermosphere in understanding our planet's relationship with outer space.In addition to its physical properties, the thermosphere is significant for scientific research. Scientists study this layer to gain insights into atmospheric processes and the effects of solar activity on Earth. Understanding the thermosphere can help us predict space weather events, which can impact satellite operations and communication systems. As technology continues to advance, monitoring the thermosphere becomes increasingly important for ensuring the reliability of our communication networks and protecting our satellites from potential damage caused by solar storms.In conclusion, the thermosphere is a vital layer of the Earth's atmosphere that offers a wealth of knowledge and benefits. Its extreme temperatures, ionized particles, and connection to phenomena such as auroras make it an intriguing subject of study. As we continue to explore and understand the thermosphere, we uncover more about our planet's atmosphere and its interactions with the sun, ultimately enhancing our ability to navigate and thrive in a technologically driven world. The significance of the thermosphere cannot be overstated, as it not only influences our daily lives through communication technologies but also enriches our understanding of the universe around us.

地球的大气层分为几个层次，每个层次都有其独特的特征和功能。其中一个最引人入胜的层次是热层，它位于中间层之上，延伸到距离地球表面约85公里（53英里）到600公里（373英里）的高度。由于其高温和电离气体的存在，这一层特别有趣。在这篇文章中，我们将探讨热层及其在我们星球大气结构中的重要性。热层以其极端温度而闻名，温度可达到2500摄氏度（4500华氏度）或更高。然而，尽管温度如此之高，但由于空气稀薄，这一层对人类来说不会感觉炎热。热层中含有非常少的空气分子，因此没有足够的物质有效地传导热量。这种现象使其成为一个独特的环境，在这里，温度与热感并不相关。热层的另一个显著特征是电离粒子的存在。太阳释放的太阳辐射与这一层的气体相互作用，使它们变得电离。这个过程创造了一个充满带电粒子的区域，这对于各种技术的运行至关重要。例如，热层在无线电通信和GPS系统中发挥着关键作用。电离粒子可以反射无线电波，使信号能够远距离传播。这一特性对全球通信至关重要，使热层成为我们技术基础设施的重要组成部分。此外，热层也是极光的家园，极光是在极地区域发生的壮观自然光显示。当太阳的带电粒子与热层中的气体碰撞时，它们会在天空中产生美丽的颜色，通常是绿色、粉色和紫色。这些极光提醒我们地球与太阳之间的动态相互作用，突显了热层在理解我们星球与外太空关系中的重要性。除了其物理特性外，热层在科学研究中也具有重要意义。科学家们研究这一层，以深入了解大气过程和太阳活动对地球的影响。理解热层可以帮助我们预测空间天气事件，这些事件可能会影响卫星操作和通信系统。随着技术的不断进步，监测热层变得越来越重要，以确保我们的通信网络的可靠性，并保护我们的卫星免受太阳风暴可能造成的损害。总之，热层是地球大气层中一个至关重要的层次，提供了丰富的知识和好处。其极端温度、电离粒子以及与极光等现象的联系使其成为一个引人入胜的研究对象。随着我们继续探索和理解热层，我们逐渐揭示出有关我们星球大气及其与太阳相互作用的更多信息，最终增强了我们在技术驱动世界中生存和发展的能力。热层的重要性不容小觑，因为它不仅通过通信技术影响我们的日常生活，还丰富了我们对周围宇宙的理解。