magnetosphere

简明释义

英[mæɡˈniːtəsfɪə]美[mæɡˈnitəˌsfɪr]

n. 磁气圈；磁层

英英释义

单词用法

同义词

反义词

例句

1.The magnetosphere did not show a missing s Pole, and no significant quakes ensued.

磁气圈也没有显示南极磁场消失，接下来也没有重大的地震。

2.The movie almost gets this one right-earth's magnetosphere does protect us from blasts of subatomic particles from the sun.

影片在这点上倒是说对了，地球的磁气圈确实保护我们免受太阳风中亚原子颗粒的直击。

3.The magnetosphere was discovered in 1957.

1957年，人们发现了磁气圈的存在。

4.Lyons and Kim used the radar measurements to study the strength of the interaction between the solar wind and the Earth's magnetosphere.

里昂和金使用雷达量测来研究太阳风和地球的磁气圈之间相互作用的强度。

5.Is there a relationship between recent quakes or signs of stress on the Earth plates and the twisting of the magnetosphere?

最近的地震，地球板块所受的压力与磁气圈的扭曲有关联吗？

6.Planet X is in the inner solar system, standing between the Earth and Sun, and warping the Earth's magnetosphere.

行星x在内太阳系中，位于地球和太阳之间，并使地球的磁气圈变形。

7.ZetaTalk Explanation9/30/2009: Any plot of a magnetosphere will show output from the N Pole, regardless of what activity might be ongoing at the S Pole.

齐塔人之声2009.9.30解释：任何对磁气圈的描绘都将显示从北极的输出，无论南极在进行什么样的活动。

8.Charged particles carry currents, which cause significant modifications in the Earth's magnetosphere.

带电粒子形成一股电流，对地球的磁气圈具有着很大的影响。

9.Now, it is storms in the magnetosphere that are recorded.

现在，磁力计中所记录下的都与暴风雨有关。

10.The magnetosphere extends far beyond the atmosphere, influencing space travel.

磁层延伸远超大气层，影响着太空旅行。

11.The interaction between the solar wind and the magnetosphere creates beautiful auroras.

太阳风与磁层的相互作用产生了美丽的极光。

12.Scientists study the magnetosphere to understand space weather phenomena.

科学家研究磁层以理解太空天气现象。

13.Satellites are often placed in orbits that avoid the most intense parts of the magnetosphere.

卫星通常被放置在避免最强烈的磁层部分的轨道上。

14.The Earth's magnetosphere protects us from harmful solar radiation.

地球的磁层保护我们免受有害的太阳辐射。

作文

The Earth is a remarkable planet, not only because of its diverse ecosystems and vibrant life forms but also due to the protective shield that surrounds it. This shield is known as the magnetosphere, which plays a crucial role in safeguarding our planet from harmful solar winds and cosmic radiation. The magnetosphere is a region around the Earth dominated by its magnetic field, extending thousands of kilometers into space. It is formed by the interaction between the Earth's magnetic field and the charged particles emitted by the sun. Understanding the magnetosphere is essential for comprehending how our planet maintains conditions suitable for life. The sun continuously emits a stream of charged particles, known as solar wind, which can be detrimental to living organisms if they reach the Earth's surface. However, the magnetosphere acts as a barrier, deflecting most of these particles away from the planet. This protective mechanism is vital for preserving our atmosphere and preventing it from being stripped away by solar winds.The structure of the magnetosphere is complex and dynamic. It consists of several layers, including the bow shock, magnetopause, and magnetotail. The bow shock is the outermost layer where the solar wind slows down as it approaches the magnetosphere. The magnetopause is the boundary separating the magnetosphere from the solar wind, while the magnetotail extends behind the Earth, shaped like a comet's tail when viewed from the sun. One of the fascinating aspects of the magnetosphere is its interaction with solar storms. During periods of heightened solar activity, such as solar flares or coronal mass ejections, the intensity of the solar wind increases significantly. These events can lead to disturbances in the magnetosphere, resulting in phenomena like auroras—beautiful displays of light seen near the polar regions. Auroras occur when charged particles from the solar wind collide with atoms in the Earth's atmosphere, causing them to emit light. This spectacular natural light show is a direct consequence of the magnetosphere's protective role.Moreover, the magnetosphere is not only significant for protecting Earth but also for understanding other celestial bodies. For instance, scientists study the magnetosphere of planets like Jupiter and Saturn, which have much stronger magnetic fields than Earth. These studies provide insights into the magnetic environments of other planets and how they interact with solar winds. In conclusion, the magnetosphere is a vital component of our planet's defense system against the harsh conditions of space. Its ability to shield Earth from solar winds and cosmic radiation is essential for sustaining life. As we continue to explore and understand the universe, studying the magnetosphere will remain a key area of research, helping us unveil the mysteries of our planet and beyond. Without this invisible force field, our world would be dramatically different, underscoring the importance of the magnetosphere in maintaining the delicate balance necessary for life to thrive on Earth.

地球是一颗非凡的行星，不仅因为其多样的生态系统和生机勃勃的生命形式，还因为环绕它的保护屏障。这一屏障被称为磁层，它在保护我们的星球免受有害太阳风和宇宙辐射方面发挥着至关重要的作用。磁层是一个围绕地球的区域，以其磁场为主导，延伸到数千公里的太空中。它是由地球的磁场与太阳发出的带电粒子之间的相互作用形成的。理解磁层对于理解我们的星球如何维持适合生命的条件至关重要。太阳不断发出带电粒子的流，称为太阳风，如果这些粒子到达地球表面，可能会对生物造成危害。然而，磁层作为一个屏障，大部分将这些粒子偏转离开地球。这一保护机制对于维护我们的氛围并防止其被太阳风剥离至关重要。磁层的结构复杂而动态。它由几个层次组成，包括弓震、磁opause和磁尾。弓震是最外层，在这里太阳风在接近磁层时减速。磁opause是将磁层与太阳风分开的边界，而磁尾则在地球后方延伸，形状像彗星的尾巴，从太阳的方向看去。磁层的一个迷人之处在于它与太阳风暴的相互作用。在太阳活动增强的时期，如太阳耀斑或日冕物质抛射，太阳风的强度会显著增加。这些事件可能导致磁层的扰动，产生极光现象——在极地地区看到的美丽光芒。极光发生在太阳风中的带电粒子与地球大气中的原子碰撞时，导致它们发光。这一壮观的自然光秀是磁层保护作用的直接结果。此外，磁层不仅对保护地球意义重大，还对理解其他天体至关重要。例如，科学家研究像木星和土星这样的行星的磁层，它们的磁场比地球强得多。这些研究提供了关于其他行星磁环境及其与太阳风相互作用的见解。总之，磁层是我们星球防御系统的重要组成部分，抵御太空恶劣条件的能力对维持生命至关重要。随着我们继续探索和理解宇宙，研究磁层将仍然是一个关键领域，帮助我们揭示我们星球及其之外的奥秘。如果没有这个无形的力场，我们的世界将截然不同，这突显了磁层在维持生命所需微妙平衡中的重要性。