extragalactic

简明释义

英[ˌekstrəɡəˈlæktɪk]美[ˌekstrəɡəˈlæktɪk]

adj. 银河系外的

英英释义

单词用法

同义词

反义词

例句

1.The planetary high doesn't last. The closer the story comes to a lumbering parable of colonialist aggression in the jungles of an extragalactic Vietnam, the more the enchantment fizzles.

波澜壮阔的宇宙场景并没有让观众陶醉很长时间，随着故事情节的深入，你越来越觉得这是发生在银河系外的一场越南战争，沉重的寓意让起初的激动心情逐渐消退。

2.The planetary high doesn't last. The closer the story comes to a lumbering parable of colonialist aggression in the jungles of an extragalactic Vietnam, the more the enchantment fizzles.

波澜壮阔的宇宙场景并没有让观众陶醉很长时间，随着故事情节的深入，你越来越觉得这是发生在银河系外的一场越南战争，沉重的寓意让起初的激动心情逐渐消退。

3.An exoplanet has been discovered orbiting a star of extragalactic origin that contains far less metal than models predict for stars with planets. Christopher Intagliata reports.

天文学家发现一颗系外行星，它的主恒星起源于银河系外，而且此恒星的金属含量明显少于模型预期中的同类主恒星。

4.In this paper, we investigate the relation between the redshift distribution and the luminosity function of extragalactic objects.

在本文中，我们研究河外天体的红移分布和它们的光度函数之间的关系。

5.This galaxy was observed by a team affiliated with the HST Key Project on the Extragalactic Distance Scale.

星系ngc 4603由隶属于哈勃太空望远镜重大项目组的“河外星系量天尺工程”团队观测。

6.But a bunch of strong extragalactic microwave - and radio-sources are out there too, mucking up our picture!

而且有一群强大的银河系外微波和无线电源，弄脏了我们的图片！

7.Astronomer Art Hoag first asked this question when he chanced upon this unusual extragalactic object.

当天文学家阿特·霍格偶然发现这个银河系外的非同一般的物体时，他首先问出来这个问题。

8."The claim that it's extragalactic is kind of a guess," says Pravdo.

“这颗行星来自外星系的说法只是一种猜测，”普拉夫多说。

9."Extragalactic nebula" is a former name for "galaxy".

“外星云”是“星系”的曾用名。

10.Extragalactic nebula is invisible to the naked eye.

我们用肉眼是看不到河外星系的。

11.The study of extragalactic 星系外的 astronomy helps us understand the formation of the universe.

对星系外的天文学的研究帮助我们理解宇宙的形成。

12.Many extragalactic 星系外的 objects are too faint to be seen with the naked eye.

许多星系外的物体用肉眼是看不见的。

13.Astronomers use powerful telescopes to observe extragalactic 星系外的 phenomena.

天文学家使用强大的望远镜观察星系外的现象。

14.The discovery of extragalactic 星系外的 quasars has changed our understanding of the universe.

对星系外的类星体的发现改变了我们对宇宙的理解。

15.Research on extragalactic 星系外的 cosmic microwave background radiation is crucial for cosmology.

对星系外的宇宙微波背景辐射的研究对宇宙学至关重要。

作文

The universe is a vast and mysterious place, filled with countless wonders that continue to intrigue scientists and astronomers alike. One of the most fascinating areas of study in astronomy is the field of extragalactic 星际的 research, which focuses on objects and phenomena beyond our own Milky Way galaxy. This area of study not only expands our understanding of the cosmos but also sheds light on the fundamental processes that govern the formation and evolution of galaxies. In recent years, advancements in technology have allowed astronomers to explore extragalactic 星际的 objects with greater precision than ever before. Telescopes equipped with sophisticated instruments can capture light from distant galaxies, allowing researchers to analyze their composition, structure, and behavior. Through this research, we have discovered that there are billions of galaxies scattered throughout the universe, each with its unique characteristics and history. One of the key areas of extragalactic 星际的 research involves the study of galaxy formation. Scientists believe that galaxies formed from the gravitational collapse of gas and dark matter in the early universe. By examining extragalactic 星际的 galaxies at various stages of their development, astronomers can gain insights into how these massive structures evolve over time. For instance, some galaxies are still in the process of forming new stars, while others have exhausted their star-forming material and are now dominated by older stars. Another intriguing aspect of extragalactic 星际的 studies is the investigation of supermassive black holes. It is now widely accepted that most large galaxies, including our own, harbor supermassive black holes at their centers. These black holes can exert tremendous gravitational forces, influencing the motion of stars and gas in their vicinity. By studying the behavior of stars orbiting these black holes in extragalactic 星际的 galaxies, astronomers can learn more about the properties of black holes and the role they play in galaxy evolution. Moreover, the discovery of extragalactic 星际的 phenomena such as gamma-ray bursts and quasars has revolutionized our understanding of the universe. Gamma-ray bursts are among the most energetic explosions in the universe, believed to occur during the collapse of massive stars or the merger of neutron stars. Quasars, on the other hand, are incredibly bright objects powered by accreting supermassive black holes. Both of these phenomena provide valuable information about the conditions present in the early universe and the processes that led to the formation of galaxies. As we delve deeper into extragalactic 星际的 research, we also encounter the concept of cosmic expansion. The universe is continuously expanding, and this expansion has significant implications for our understanding of cosmology. Observations of distant extragalactic 星际的 galaxies have revealed that they are moving away from us, a phenomenon that led to the formulation of Hubble's Law. This law states that the farther away a galaxy is, the faster it is receding from us, providing crucial evidence for the Big Bang theory. In conclusion, the study of extragalactic 星际的 phenomena is essential for unraveling the mysteries of the universe. Through ongoing research and technological advancements, we continue to expand our knowledge of galaxies, black holes, and the fundamental forces that shape our cosmos. As we look to the future, it is clear that extragalactic 星际的 studies will play a pivotal role in our quest to understand the universe and our place within it.

宇宙是一个广阔而神秘的地方，充满了无数的奇观，继续吸引着科学家和天文学家的关注。天文学中最迷人的研究领域之一是extragalactic 星际的研究，该领域专注于超出我们银河系的物体和现象。这一研究领域不仅扩展了我们对宇宙的理解，还阐明了支配星系形成和演化的基本过程。 近年来，技术的进步使天文学家能够以前所未有的精确度探索extragalactic 星际的物体。配备先进仪器的望远镜能够捕捉来自遥远星系的光线，使研究人员能够分析它们的成分、结构和行为。通过这项研究，我们发现宇宙中散布着数十亿个星系，每个星系都有其独特的特征和历史。 extragalactic 星际的研究的一个关键领域涉及星系形成的研究。科学家相信，星系是由早期宇宙中气体和暗物质的引力坍缩而形成的。通过检查处于不同发展阶段的extragalactic 星际的星系，天文学家可以深入了解这些巨大结构如何随时间演变。例如，一些星系仍在形成新星，而另一些星系则已耗尽其形成星体的材料，现在以老星为主。 extragalactic 星际的研究的另一个引人入胜的方面是对超大质量黑洞的调查。现在普遍接受的观点是，大多数大型星系，包括我们自己的星系，在其中心都拥有超大质量黑洞。这些黑洞可以施加巨大的引力，影响周围星星和气体的运动。通过研究在extragalactic 星际的星系中围绕这些黑洞旋转的星星，天文学家可以更多地了解黑洞的特性及其在星系演化中的作用。 此外，extragalactic 星际的现象如伽马射线暴和类星体的发现彻底改变了我们对宇宙的理解。伽马射线暴被认为是宇宙中最具能量的爆炸，发生在大质量恒星的坍塌或中子星的合并过程中。另一方面，类星体是由吸积超大质量黑洞驱动的极其明亮的物体。这两种现象都提供了有关早期宇宙条件和导致星系形成的过程的重要信息。 随着我们深入研究extragalactic 星际的现象，我们还遇到了宇宙膨胀的概念。宇宙正在不断膨胀，这一扩张对我们理解宇宙学具有重要意义。对遥远的extragalactic 星际的星系的观察揭示它们正朝我们移动，导致了哈勃定律的形成。该定律指出，离我们越远的星系，退去的速度越快，为大爆炸理论提供了重要证据。 总之，extragalactic 星际的现象的研究对于揭开宇宙的奥秘至关重要。通过持续的研究和技术进步，我们继续扩大对星系、黑洞以及塑造我们宇宙的基本力量的知识。展望未来，显然extragalactic 星际的研究将在我们理解宇宙及我们在其中的位置的追求中发挥关键作用。