asteroidal

简明释义

英[ˌæstəˈrɔɪdəl]美[ˌæstəˈrɔɪdəl]

adj. 星状的

英英释义

单词用法

同义词

反义词

例句

1.These rocks are believed to be the result of an asteroidal prang that happened many millions of years ago and left a crater 460km across, which dominates Vesta's southern hemisphere.

据科学家们认为，这些岩石是发生在好几百万年前的一次小行星碰撞的结果，而且留下了一个独占灶神星南半球460公里宽的陨石坑。

2.Because at least one asteroid appears to be coated by a thin layer of ice. And just that kind of asteroidal frosting could have been the source of our water here on Earth.

至少有一个行星被一层薄薄的冰层覆盖，这些冰可能就是地球上水的来源。

3.These rocks are believed to be the result of an asteroidal prang that happened many millions of years ago and left a crater 460km across, which dominates Vesta's southern hemisphere.

据科学家们认为，这些岩石是发生在好几百万年前的一次小行星碰撞的结果，而且留下了一个独占灶神星南半球460公里宽的陨石坑。

4.These rocks are believed to be the result of an asteroidal prang that happened many millions of years ago and left a crater 460km across, which dominates Vesta's southern hemisphere.

这些岩石据说是几百万年前的小行星碰撞的结果，并在灶神星的南半球形成了一个跨度为460公里的陨石坑。

5.The telescope captured images of an asteroidal 小行星的 passing close to Earth.

望远镜捕捉到一颗小行星的靠近地球经过的图像。

6.The scientists discovered an asteroidal 小行星的 belt beyond Mars.

科学家在火星外发现了一条小行星的带。

7.They launched a mission to study an asteroidal 小行星的 impact on Earth.

他们发起了一项任务，研究一颗小行星的撞击对地球的影响。

8.Researchers are analyzing the composition of asteroidal 小行星的 materials for clues about the solar system's formation.

研究人员正在分析小行星的材料成分，以寻找关于太阳系形成的线索。

9.The asteroidal 小行星的 surface showed signs of past volcanic activity.

这颗小行星的表面显示出过去火山活动的迹象。

作文

In the vast expanse of our universe, countless celestial bodies drift through the void, each with its own unique characteristics. Among these are the asteroids, which are often found in the asteroid belt between Mars and Jupiter. These small rocky bodies, known as asteroids, can vary greatly in size and shape. When we refer to something as asteroidal, we are describing its relation to or characteristics of asteroids. The study of asteroidal objects is not only fascinating but also crucial for understanding the formation of our solar system. Asteroids are remnants from the early solar system, leftover materials that never coalesced into planets. Their asteroidal nature provides scientists with valuable insights into the conditions that existed over four billion years ago. By examining these asteroidal bodies, researchers can piece together the history of our solar system's evolution. For instance, some asteroids contain organic compounds that may have contributed to the origins of life on Earth. This connection highlights the importance of studying asteroidal materials, as they could hold clues to fundamental questions about our existence.Furthermore, the potential threat posed by asteroidal impacts cannot be overlooked. While most asteroids travel safely through space, there are some that come close to Earth's orbit. These near-Earth objects (NEOs) can potentially collide with our planet, leading to catastrophic consequences. As such, scientists and astronomers monitor asteroidal paths to predict their trajectories and assess any potential risks. This monitoring is essential for planetary defense strategies, as it allows us to develop plans to mitigate the impact of a possible collision.In addition to their scientific significance, asteroidal resources are becoming increasingly attractive for future space exploration. Some asteroids are rich in metals and minerals that could be mined for use in space missions or even brought back to Earth. The concept of asteroidal mining is gaining traction, with companies and space agencies exploring the feasibility of extracting valuable materials from these celestial bodies. This could revolutionize the way we approach resource management on Earth, reducing the strain on our planet's resources while expanding our capabilities in space.Moreover, the fascination with asteroidal bodies extends beyond science and industry; it captures the imagination of writers, filmmakers, and artists. The idea of exploring distant asteroids or encountering them in our solar system has inspired countless works of fiction. Movies like "Armageddon" and "Deep Impact" portray dramatic scenarios involving asteroidal collisions, sparking public interest in space and the potential dangers that lie beyond our atmosphere.In conclusion, the term asteroidal encompasses a wide range of topics, from scientific research to potential economic opportunities and cultural representations. As we continue to explore our universe, the significance of asteroidal bodies will only grow. Understanding these celestial entities not only enhances our knowledge of the cosmos but also prepares us for the challenges and opportunities that lie ahead. Whether through scientific inquiry, planetary defense, or resource exploration, the study of asteroidal objects is an integral part of our journey into the stars.

在我们宇宙的广袤空间中，无数天体漂浮在虚空中，每个天体都有其独特的特征。其中小行星通常位于火星和木星之间的小行星带。这些被称为小行星的小型岩石体，大小和形状各异。当我们提到某物为asteroidal时，我们是在描述其与小行星的关系或特征。研究asteroidal物体不仅令人着迷，而且对理解我们的太阳系形成至关重要。小行星是早期太阳系的残余物，是从未聚集成行星的剩余材料。它们的asteroidal特性为科学家提供了有关四十亿年前存在的条件的宝贵见解。通过研究这些asteroidal物体，研究人员可以拼凑出我们太阳系演变的历史。例如，一些小行星含有可能对地球生命起源有所贡献的有机化合物。这种联系突显了研究asteroidal材料的重要性，因为它们可能蕴藏着有关我们存在的基本问题的线索。此外，asteroidal撞击所带来的潜在威胁也不容忽视。虽然大多数小行星在太空中安全旅行，但也有一些接近地球轨道。这些近地天体（NEOs）可能会与我们的星球碰撞，从而导致灾难性的后果。因此，科学家和天文学家监测asteroidal路径，以预测其轨迹并评估任何潜在风险。这种监测对于行星防御策略至关重要，因为它使我们能够制定减轻可能碰撞影响的计划。除了科学意义外，asteroidal资源在未来的太空探索中变得越来越有吸引力。一些小行星富含金属和矿物，可以用于太空任务或甚至带回地球。asteroidal采矿的概念正在获得关注，各公司和航天机构正在探索从这些天体中提取宝贵材料的可行性。这可能会彻底改变我们对地球资源管理的方式，减少对我们星球资源的压力，同时扩展我们在太空中的能力。此外，对asteroidal物体的迷恋超越了科学和工业；它吸引了作家、电影制片人和艺术家的想象。探索遥远小行星或在我们太阳系中遇见它们的想法激发了无数虚构作品。像《世界末日》和《深度冲击》等电影描绘了涉及asteroidal碰撞的戏剧性场景，引发了公众对太空及其潜在危险的兴趣。总之，asteroidal一词涵盖了广泛的主题，从科学研究到潜在的经济机会和文化表现。随着我们继续探索宇宙，asteroidal物体的意义只会增加。理解这些天体不仅增强了我们对宇宙的知识，还为我们准备了未来面临的挑战和机遇。无论是通过科学探究、行星防御还是资源探索，研究asteroidal物体都是我们迈向星际旅程的重要组成部分。