Deneb =αCygni

简明释义

天津四

英英释义

例句

1.Deneb =αCygni is classified as a supergiant star in the constellation Cygnus.

Deneb =αCygni 在天鹅座中被归类为一颗超巨星。

2.Many stargazers identify Deneb =αCygni as part of the Summer Triangle.

许多观星者将Deneb =αCygni 视为夏季三角形的一部分。

3.The name Deneb =αCygni derives from Arabic, meaning 'the tail' of the swan.

Deneb =αCygni 这个名字源于阿拉伯语，意为“天鹅的尾巴”。

4.In astronomy, Deneb =αCygni is known as one of the brightest stars in the night sky.

在天文学中，Deneb =αCygni 被认为是夜空中最亮的星星之一。

5.When using a telescope, you can easily spot Deneb =αCygni due to its brightness.

使用望远镜时，你可以很容易地找到Deneb =αCygni，因为它非常明亮。

作文

In the vast expanse of the night sky, there are countless stars that have captured the imagination of humanity for centuries. Among these celestial bodies, Deneb =αCygni stands out as one of the most prominent stars in our galaxy. Located in the constellation Cygnus, or the Swan, Deneb is not only one of the brightest stars visible from Earth, but it also holds significant importance in both astronomy and mythology. Understanding Deneb =αCygni allows us to appreciate the beauty and complexity of our universe. Deneb is classified as a supergiant star, which means it is much larger and brighter than our own Sun. It is approximately 1,425 light-years away from Earth and is part of the Summer Triangle, a prominent asterism that also includes the stars Vega and Altair. The name 'Deneb' itself is derived from the Arabic word 'Dhanab,' meaning 'the tail,' which refers to its position in the constellation Cygnus, where it represents the tail of the swan. This etymology highlights how ancient cultures observed and named celestial objects based on their appearances and positions in the sky. The significance of Deneb =αCygni extends beyond its brightness and position. As a supergiant star, Deneb has a mass estimated to be around 19 times that of the Sun and a luminosity about 200,000 times greater. These incredible statistics make it one of the most luminous stars known. However, like all massive stars, Deneb has a relatively short lifespan in cosmic terms. It is believed to be nearing the end of its life cycle, and eventually, it will explode in a supernova, leaving behind a neutron star or black hole. This inevitable fate serves as a reminder of the transient nature of celestial phenomena. In addition to its scientific importance, Deneb =αCygni has inspired countless myths and stories throughout history. In various cultures, the constellation Cygnus has been associated with different meanings. For instance, in Greek mythology, it is often linked to the story of Zeus transforming into a swan. In Native American cultures, the swan is seen as a symbol of grace and beauty. Such mythological narratives enrich our understanding of the stars, allowing us to connect with them on a deeper emotional level. Moreover, Deneb plays a crucial role in navigation and astronomy. It serves as a guidepost for astronomers and stargazers alike, helping to locate other celestial objects. Its brightness and distinct position in the sky make it an excellent reference point for those exploring the wonders of the night sky. Additionally, Deneb's position in the Summer Triangle makes it a popular target for amateur astronomers, who often use it to navigate to other interesting celestial features. In conclusion, Deneb =αCygni is more than just a star; it is a symbol of the beauty and complexity of the universe. From its scientific significance as a supergiant star to its rich mythological history and role in navigation, Deneb captivates our imagination and reminds us of our place in the cosmos. As we continue to explore the mysteries of the universe, stars like Deneb serve as beacons of light, guiding us through the vastness of space and time.

在浩瀚的夜空中，有无数颗星星吸引着人类几个世纪以来的想象。在这些天体中，Deneb =αCygni作为我们银河系中最显著的星星之一脱颖而出。位于天鹅座（Cygnus）中，Deneb不仅是地球上可见的最亮星星之一，而且在天文学和神话中也具有重要意义。理解Deneb =αCygni使我们能够欣赏宇宙的美丽和复杂性。Deneb被分类为超巨星，这意味着它比我们的太阳大得多、亮得多。它距离地球大约1425光年，是夏季三角形的一部分，这个著名的星群还包括维加（Vega）和牛郎星（Altair）。'Deneb'这个名字源自阿拉伯词'Dhanab'，意为'the tail'，这指的是它在天鹅座中的位置，代表着天鹅的尾巴。这种词源强调了古代文化如何根据天体的外观和在天空中的位置观察和命名它们。Deneb =αCygni的重要性不仅体现在其亮度和位置上。作为一颗超巨星，Deneb的质量估计约为太阳的19倍，光度则大约是太阳的20万倍。这些令人难以置信的统计数据使其成为已知最明亮的星星之一。然而，像所有大质量恒星一样，Deneb在宇宙的时间尺度上有着相对较短的生命周期。它被认为接近生命的尽头，最终将以超新星的形式爆炸，留下一个中子星或黑洞。这种不可避免的命运提醒我们天体现象的短暂性。除了科学重要性，Deneb =αCygni还激发了历史上无数的神话和故事。在不同的文化中，天鹅座与不同的含义相关联。例如，在希腊神话中，它常常与宙斯变成天鹅的故事联系在一起。在美洲土著文化中，天鹅被视为优雅和美丽的象征。这些神话叙事丰富了我们对星星的理解，使我们能够在更深层次上与它们联系。此外，Deneb在导航和天文学中发挥着至关重要的作用。它为天文学家和观星者提供了一个指路明灯，帮助他们定位其他天体。它的亮度和在天空中的独特位置使其成为探索夜空奇观的优秀参考点。此外，Deneb在夏季三角形中的位置使其成为业余天文学家的热门目标，他们常常用它来导航到其他有趣的天体。总之，Deneb =αCygni不仅仅是一颗星星；它是宇宙美丽和复杂性的象征。从作为超巨星的科学重要性到丰富的神话历史以及在导航中的角色，Deneb吸引着我们的想象力，并提醒我们在宇宙中的位置。当我们继续探索宇宙的奥秘时，像Deneb这样的星星作为光明的灯塔，引导我们穿越广阔的空间和时间。