Eltanin =γDraconis

简明释义

天龙星座γ星

英英释义

例句

1.When stargazing, I pointed out Eltanin, the brightest star in the constellation Draco, or γDraconis.

在观星时，我指着Eltanin，这是龙座中最亮的星，也叫γDraconis。

2.In astronomy, we often refer to stars by their names, such as Eltanin which is also known as γDraconis.

在天文学中，我们经常用名字来称呼星星，比如Eltanin，它也被称为γDraconis。

3.The star Eltanin has an important role in navigation, often called γDraconis.

星星Eltanin在导航中扮演着重要角色，通常被称为γDraconis。

4.The name Eltanin comes from the Arabic word meaning 'the dragon', which relates to its designation as γDraconis.

名称Eltanin源于阿拉伯语，意思是“龙”，这与其作为γDraconis的称号相关。

5.In my astronomy class, we learned that Eltanin is a red giant star, also referred to as γDraconis.

在我的天文学课程中，我们了解到Eltanin是一颗红巨星，也被称为γDraconis。

作文

In the vast tapestry of the night sky, stars have always held a special significance for humanity. Among these celestial wonders, one star stands out due to its unique characteristics and historical importance: Eltanin = γ Draconis. This star, located in the constellation Draco, is not only the brightest star in this constellation but also plays a crucial role in navigation and astronomy. Understanding the significance of Eltanin = γ Draconis requires delving into both its scientific attributes and its cultural impact.Firstly, from an astronomical perspective, Eltanin = γ Draconis is classified as a red giant star, which means it has exhausted the hydrogen in its core and has expanded significantly. With a distance of approximately 154 light-years from Earth, it is easily visible to the naked eye, shining with a brightness that captivates stargazers. The star's name, Eltanin, comes from the Arabic phrase "al-dhanab al-tinnin," meaning "the tail of the dragon," which reflects its position in the Draco constellation, resembling a dragon in mythology.Moreover, Eltanin = γ Draconis serves as an important reference point for navigators. Its location in the northern sky makes it a reliable marker for those traveling in the Northern Hemisphere. Historically, sailors and explorers have used this star to orient themselves during their journeys across uncharted waters, showcasing how celestial bodies can provide guidance and assurance.Culturally, Eltanin = γ Draconis has been woven into various mythologies and stories throughout history. In many cultures, dragons symbolize power, wisdom, and protection. The association of this star with a dragon highlights the human tendency to connect celestial phenomena with earthly narratives. For instance, in ancient Chinese astronomy, the dragon was seen as a symbol of strength and auspiciousness, and the presence of Eltanin = γ Draconis in the sky would have been interpreted as a good omen.Furthermore, the study of Eltanin = γ Draconis has contributed to our understanding of stellar evolution. As scientists observe this star, they gather valuable data on the life cycles of stars, including how they evolve and eventually end their lives. This research not only enhances our knowledge of the universe but also inspires future generations of astronomers and astrophysicists to explore the mysteries of the cosmos.In conclusion, Eltanin = γ Draconis is more than just a bright star in the night sky; it embodies the intersection of science, navigation, and culture. Its significance stretches beyond its physical properties, impacting human history and inspiring countless stories. As we continue to look up at the stars, Eltanin = γ Draconis reminds us of our connection to the universe and the enduring quest for knowledge that defines the human experience.

在浩瀚的夜空中，星星一直对人类具有特殊的意义。在这些天体奇观中，有一颗星因其独特的特征和历史重要性而脱颖而出：Eltanin = γ Draconis。这颗位于龙座的星星不仅是该星座中最亮的星星，而且在导航和天文学中也发挥着至关重要的作用。理解Eltanin = γ Draconis 的意义需要深入探讨其科学属性和文化影响。首先，从天文学的角度来看，Eltanin = γ Draconis 被归类为红巨星，这意味着它已经耗尽了核心中的氢并显著膨胀。距离地球大约154光年，它在肉眼可见范围内闪耀着迷人的光芒，吸引着星空观察者。这颗星的名字 Eltanin 源于阿拉伯语短语 "al-dhanab al-tinnin"，意为 "龙的尾巴"，反映了它在龙座中的位置，类似于神话中的龙。此外，Eltanin = γ Draconis 是导航员的重要参考点。它位于北半球的天空中，对于在北半球旅行的人来说，是一个可靠的标志。历史上，水手和探险家利用这颗星来定位自己，确保他们在未知水域中的航行，展示了天体如何提供方向感和安全感。在文化上，Eltanin = γ Draconis 在历史上被编织进各种神话和故事中。在许多文化中，龙象征着力量、智慧和保护。这颗星与龙的关联突显了人类将天体现象与世俗叙事相联系的倾向。例如，在古代中国天文学中，龙被视为力量和吉祥的象征，而Eltanin = γ Draconis 在天空中的存在被解读为好兆头。此外，对Eltanin = γ Draconis 的研究促进了我们对恒星演化的理解。当科学家观察这颗星时，他们收集到关于恒星生命周期的宝贵数据，包括它们如何演变以及最终如何结束生命。这项研究不仅增强了我们对宇宙的认识，还激励未来一代天文学家和天体物理学家探索宇宙的奥秘。总之，Eltanin = γ Draconis 不仅仅是一颗明亮的星星；它代表了科学、导航和文化的交汇。它的意义超越了其物理属性，影响了人类历史并激发了无数故事。当我们继续仰望星空时，Eltanin = γ Draconis 提醒我们与宇宙的联系以及定义人类经验的追求知识的持久探索。