nebular

简明释义

英[/ˈnɛbjələr/]美[/ˈnɛbjələr/]

adj. 星云的；星云状的

英英释义

单词用法

同义词

反义词

例句

1.They are truly lumps of nebular matter, probably similar in composition to the matter from which planets were assembled.

它们的确是星云物质组成的团块，其组成物质可能与行星形成时的物质相似。

2.Within the Iris, dusty nebular material surrounds a hot, young star.

在彩虹星云中，星云尘埃物质围绕着一颗炙热的年轻恒星。

3.Look for a small nebular patch North-East of bright star Deneb in the constellation of Cygnus.

从天鹅座中的明亮恒星天津四往东北方向寻找，就能找到这一小片星云状光斑！

4.Ultraviolet radiation from the hot star powers the nebular glow.

热恒星的紫外辐射使星云发光。

5.Wu Tongchun's nebular art is expressed by the character of traditional Chinese painting.

吴同椿的星云世界是用中国画的特色来表现的。

6.Below the frame center and just to the right of Alnitak lies the Horsehead nebula, a dark indentation of dense dust that has perhaps the most recognized nebular shapes on the sky.

画面中央偏下，也就是位在参宿一右方的马头星云，由致密的黑暗尘埃组成，应当是天空中最被认可的形状。

7.The scientist observed a beautiful nebular 星云的 formation through the telescope.

科学家通过望远镜观察到了一个美丽的星云的形成。

8.In astronomy, a nebular 星云的 hypothesis explains the formation of solar systems.

在天文学中，星云的假说解释了太阳系的形成。

9.The nebular 星云的 clouds of gas and dust are essential for star formation.

星云的气体和尘埃云对恒星的形成至关重要。

10.Astronomers study nebular 星云的 emissions to understand the life cycle of stars.

天文学家研究星云的发射以理解恒星的生命周期。

11.The nebular 星云的 region is rich in hydrogen and helium.

星云的区域富含氢和氦。

作文

In the vast expanse of the universe, one cannot help but be captivated by the beauty of celestial phenomena. Among these wonders, the nebular (星云的) formations stand out as some of the most fascinating objects in space. These cosmic clouds of gas and dust serve as the birthplaces of stars and planets, illustrating the intricate processes that govern the life cycle of the universe. As we delve deeper into the study of nebular (星云的) structures, we uncover not only the mysteries of stellar formation but also the profound connections between all matter in the cosmos. A nebular (星云的) cloud is primarily composed of hydrogen, helium, and trace amounts of other elements. These elements coalesce under the influence of gravity, eventually leading to the formation of new stars. The process begins when a region within a nebular (星云的) cloud becomes dense enough to collapse under its own gravitational pull. As the material falls inward, it heats up, forming a protostar at the core. This stage is crucial, as it marks the beginning of a star's life cycle. The beauty of nebular (星云的) clouds is not merely in their role as stellar nurseries but also in their spectacular visual displays. Many nebular (星云的) formations are illuminated by the light from nearby stars, creating breathtaking images that have been captured by telescopes like the Hubble Space Telescope. For instance, the Orion Nebula is one of the most studied nebular (星云的) regions, showcasing vibrant colors and intricate structures that reveal the ongoing processes of star formation. Moreover, nebular (星云的) clouds also play a significant role in enriching the interstellar medium. When stars reach the end of their life cycles, they often expel their outer layers back into the surrounding nebular (星云的) material, contributing to the chemical diversity of the universe. This recycling of matter is essential for the creation of new stars and planets, as it ensures that the building blocks of life are constantly being renewed. In addition to their scientific importance, nebular (星云的) formations have also inspired countless works of art and literature. The ethereal beauty of these cosmic clouds has led many artists to depict them in their creations, capturing the imagination of those who gaze upon the night sky. From paintings to poetry, nebular (星云的) imagery evokes a sense of wonder and curiosity about our place in the universe. As we continue to explore the cosmos, the study of nebular (星云的) structures will undoubtedly reveal more about the origins of stars and the evolution of galaxies. Each discovery adds to our understanding of the universe, reminding us of the intricate dance of creation and destruction that occurs on a cosmic scale. Whether through advanced telescopes or theoretical models, the quest to understand nebular (星云的) phenomena is a testament to humanity's enduring fascination with the stars. In conclusion, the concept of nebular (星云的) formations encompasses both the scientific and the artistic realms. They represent the beginnings of stellar life, the beauty of the universe, and the interconnectedness of all matter. As we look to the stars, let us remember the stories told by these magnificent clouds and the secrets they hold about the universe we inhabit.

在宇宙的广袤无垠中，人们不禁被天体现象的美丽所吸引。在这些奇观中，nebular（星云的）形成物作为一些最迷人的天体在太空中脱颖而出。这些宇宙中的气体和尘埃的云团是恒星和行星的诞生地，展示了支配宇宙生命周期的复杂过程。当我们深入研究nebular（星云的）结构时，不仅揭示了恒星形成的奥秘，还揭示了宇宙中所有物质之间的深刻联系。 一个nebular（星云的）云主要由氢、氦和微量其他元素组成。在重力的影响下，这些元素聚集在一起，最终导致新恒星的形成。这个过程始于当nebular（星云的）云中的某个区域变得足够密集，以至于在自身的引力下崩溃。当物质向内坠落时，它会加热，在核心形成原恒星。这个阶段至关重要，因为它标志着恒星生命周期的开始。 nebular（星云的）云的美丽不仅在于它们作为恒星摇篮的角色，也在于它们壮观的视觉展示。许多nebular（星云的）形成物被附近恒星的光照亮，创造出令人惊叹的图像，这些图像已被哈勃太空望远镜等望远镜捕捉到。例如，猎户座星云是研究最多的nebular（星云的）区域之一，展示了生动的色彩和复杂的结构，揭示了恒星形成过程中正在进行的过程。 此外，nebular（星云的）云还在丰富星际介质方面发挥了重要作用。当恒星达到其生命周期的末端时，通常会将外层排放回周围的nebular（星云的）物质中，促进宇宙的化学多样性。这种物质的循环对于新恒星和行星的形成至关重要，因为它确保生命的构建块不断得到更新。 除了科学重要性外，nebular（星云的）形成物还激发了无数艺术作品和文学作品。这些宇宙云的缥缈之美使许多艺术家在创作中描绘它们，捕捉那些凝视夜空的人们的想象。从绘画到诗歌，nebular（星云的）意象唤起了人们对我们在宇宙中位置的敬畏和好奇。 随着我们继续探索宇宙，对nebular（星云的）结构的研究无疑会揭示更多关于恒星起源和星系演化的知识。每一次发现都为我们对宇宙的理解增添了一笔，提醒我们在宇宙规模上发生的创造与毁灭的复杂舞蹈。无论是通过先进的望远镜还是理论模型，理解nebular（星云的）现象的追求都是人类对星星持久迷恋的证明。 总之，nebular（星云的）形成的概念涵盖了科学和艺术领域。它们代表了恒星生命的开始、宇宙的美丽以及所有物质之间的相互联系。当我们仰望星空时，让我们记住这些宏伟云朵所讲述的故事以及它们对我们所居住的宇宙所隐藏的秘密。