airburst

简明释义

英[ˈeəbɜːst]美[ˈerˌbɜːrst]

n. 炸弹在空中的爆炸

复 数 a i r b u r s t s

英英释义

单词用法

同义词

反义词

例句

1.The explosion was classified as an airburst 空中爆炸 because it occurred at a high altitude, maximizing its destructive radius.

这次爆炸被归类为空中爆炸，因为它发生在高空，最大化了其破坏半径。

2.During the simulation, the airburst 空中爆炸 caused widespread damage to the surrounding area.

在模拟中，空中爆炸造成了周围地区的广泛损害。

3.The military conducted tests to evaluate the effectiveness of an airburst 空中爆炸 weapon against enemy fortifications.

军方进行了测试，以评估一种空中爆炸武器对敌方防御工事的有效性。

4.An airburst 空中爆炸 can be more effective than a ground explosion in certain military operations.

在某些军事行动中，空中爆炸可能比地面爆炸更有效。

5.Scientists studied the impact of a meteor's airburst 空中爆炸 in the atmosphere on local ecosystems.

科学家研究了一颗流星在大气中的空中爆炸对当地生态系统的影响。

作文

In recent years, the phenomenon known as airburst has gained significant attention in both scientific communities and popular media. An airburst occurs when a meteoroid or asteroid enters the Earth's atmosphere and explodes in the air before reaching the ground. This explosive event can release energy equivalent to several kilotons of TNT, causing widespread damage over a large area. Understanding airbursts is crucial for assessing potential threats from space objects and developing strategies to mitigate their impacts.The most famous example of an airburst is the Tunguska event, which took place in 1908 in Siberia. A massive explosion flattened approximately 2,000 square kilometers of forest, yet no impact crater was found, leading scientists to conclude that a comet or asteroid had exploded in the atmosphere. The energy released by this airburst was estimated to be around 15 megatons of TNT, illustrating the destructive potential of such events.One of the key reasons why airbursts are particularly concerning is that they can occur without warning. Unlike larger asteroids that may be tracked as they approach Earth, smaller objects can enter the atmosphere undetected. This unpredictability poses a challenge for planetary defense initiatives aimed at protecting our planet from extraterrestrial threats.Moreover, the effects of an airburst can vary significantly depending on factors such as the size, speed, and composition of the incoming object. For instance, a small rocky meteoroid may create a less intense explosion than a larger icy comet, which could result in a more powerful airburst. Scientists use computer simulations and historical data to assess the potential impact of different scenarios, helping to refine our understanding of these phenomena.In addition to their potential for destruction, airbursts also provide valuable insights into the history of our solar system. By studying the remnants of past airbursts and their effects on the Earth's environment, researchers can learn more about the composition of asteroids and comets, as well as the processes that govern their behavior. This knowledge can inform future missions to explore these celestial bodies and enhance our ability to predict their trajectories.Public awareness of airbursts has increased due to high-profile events such as the Chelyabinsk meteor incident in 2013. A small asteroid exploded over Russia, injuring over 1,500 people and causing extensive property damage. This event highlighted the importance of monitoring near-Earth objects and the need for international cooperation in addressing potential threats from space.In conclusion, airbursts represent a fascinating and potentially dangerous aspect of our universe. As we continue to study these explosive events, it is essential to remain vigilant and proactive in our efforts to protect our planet from the risks posed by celestial objects. By investing in research and technology, we can better understand airbursts and develop effective strategies to minimize their impact on our world.

近年来，现象被称为空气爆炸在科学界和大众媒体中引起了显著关注。空气爆炸发生在陨石或小行星进入地球大气层并在到达地面之前在空中爆炸。这种爆炸事件可以释放出相当于数千吨TNT的能量，造成大范围的破坏。理解空气爆炸对于评估来自太空物体的潜在威胁以及制定减轻其影响的策略至关重要。最著名的空气爆炸例子是1908年发生在西伯利亚的通古斯事件。一次巨大的爆炸摧毁了大约2000平方公里的森林，但没有发现撞击坑，这导致科学家得出结论，可能是一颗彗星或小行星在大气中爆炸。这次空气爆炸释放的能量估计约为15兆吨TNT，说明了这种事件的破坏潜力。空气爆炸特别令人担忧的一个关键原因是，它们可能在没有警告的情况下发生。与较大的小行星可以在接近地球时被追踪不同，较小的物体可能在未被探测的情况下进入大气层。这种不可预测性对旨在保护我们星球免受外星威胁的行星防御计划构成挑战。此外，空气爆炸的影响可能因入射物体的大小、速度和成分等因素而显著不同。例如，一个小的岩石陨石可能产生的爆炸强度低于一个较大的冰彗星，后者可能导致更强烈的空气爆炸。科学家们利用计算机模拟和历史数据来评估不同场景的潜在影响，帮助完善我们对这些现象的理解。除了其破坏潜力，空气爆炸还提供了关于我们太阳系历史的宝贵见解。通过研究过去空气爆炸的遗迹及其对地球环境的影响，研究人员可以更好地了解小行星和彗星的成分，以及支配它们行为的过程。这些知识可以为未来探索这些天体的任务提供信息，并增强我们预测其轨迹的能力。由于2013年切尔亚宾斯克流星事件等引人注目的事件，公众对空气爆炸的认识有所增加。一颗小行星在俄罗斯上空爆炸，导致超过1500人受伤并造成广泛的财产损失。这一事件突显了监测近地天体的重要性，以及国际合作应对来自太空的潜在威胁的必要性。总之，空气爆炸代表了我们宇宙中一个迷人且可能危险的方面。随着我们继续研究这些爆炸事件，保持警惕并主动保护我们的星球免受天体物体带来的风险是至关重要的。通过投资于研究和技术，我们可以更好地理解空气爆炸并制定有效的策略，以最小化其对我们世界的影响。