Alderamin =αCephei

简明释义

天钩五

英英释义

例句

1.I learned that Alderamin =αCephei is a yellow-white supergiant star located approximately 49 light-years from Earth.

我了解到Alderamin =αCephei是一颗黄色-白色的超巨星，距离地球大约49光年。

2.In navigation, sailors might use the position of Alderamin =αCephei to help determine their latitude.

在航海中，水手可能会利用Alderamin =αCephei的位置来帮助确定他们的纬度。

3.During our stargazing session, we identified Alderamin =αCephei in the night sky.

在我们的观星活动中，我们在夜空中识别出了Alderamin =αCephei。

4.The constellation Cepheus is home to Alderamin =αCephei, which is one of its brightest stars.

仙王座是Alderamin =αCephei的家园，它是该星座中最亮的星星之一。

5.Astronomers often refer to the star as Alderamin =αCephei because it is easier to remember its Greek letter designation.

天文学家常常将这颗星称为Alderamin =αCephei，因为记住它的希腊字母名称更容易。

作文

Alderamin, known scientifically as Alderamin =αCephei, is a star located in the constellation of Cepheus. It is one of the brightest stars in this constellation and serves as an important navigational marker in the night sky. The name Alderamin originates from Arabic, meaning 'the right arm,' which reflects its position in the celestial sphere. This star has fascinated astronomers and stargazers alike due to its unique characteristics and significance in various cultures.Alderamin is classified as a type A star, specifically an A7 IV star, indicating that it is a subgiant. This classification tells us that Alderamin is in a stage of its life cycle where it has exhausted the hydrogen in its core and is now fusing helium. This process causes the star to expand and cool, giving it a distinctive yellow-white hue. With a surface temperature of approximately 7,500 Kelvin, Alderamin shines brightly, making it easily visible to the naked eye from Earth.One of the most interesting aspects of Alderamin =αCephei is its rotation. Alderamin has a relatively fast rotation period of about 12 hours. This rapid spinning affects its shape, causing it to become slightly oblate, meaning it is not a perfect sphere but rather bulges at the equator. This phenomenon is common among stars with high rotational speeds and can provide insights into their internal structure and behavior.Moreover, Alderamin is located approximately 49 light-years away from Earth. This distance allows astronomers to study the star's properties in detail without being overly affected by interstellar dust or other celestial objects. Its proximity makes it an ideal candidate for research, particularly in understanding stellar evolution and the life cycles of similar stars.In addition to its scientific importance, Alderamin =αCephei holds cultural significance as well. Throughout history, various civilizations have relied on the stars for navigation and timekeeping. Alderamin, being a prominent star in the northern hemisphere, has been used by sailors and travelers for centuries to guide their journeys. Its location in the constellation of Cepheus adds to its historical value, as this constellation is often associated with mythology and storytelling.In conclusion, Alderamin =αCephei is more than just a star; it is a symbol of exploration and discovery. Its brightness, unique characteristics, and cultural significance make it a fascinating subject for both amateur astronomers and professional scientists. As we continue to explore the universe, stars like Alderamin remind us of the beauty and complexity of the cosmos, encouraging us to look up at the night sky and wonder about the mysteries that lie beyond our planet. Through studying stars like Alderamin, we gain insights not only into the nature of the universe but also into our own place within it. The journey of understanding such celestial bodies is a testament to human curiosity and the relentless pursuit of knowledge.

Alderamin，即Alderamin =αCephei，是一颗位于天鹅座的恒星。它是该星座中最亮的星星之一，在夜空中作为重要的导航标志。Alderamin这个名字源自阿拉伯语，意为“右臂”，反映了它在天球中的位置。这颗恒星因其独特的特征和在各种文化中的重要性而吸引了天文学家和观星者的关注。Alderamin被分类为A型恒星，具体来说是A7 IV型恒星，这表明它是一颗亚巨星。这种分类告诉我们，Alderamin处于生命循环的一个阶段，此时它已耗尽核心中的氢，并正在融合氦。这个过程导致恒星膨胀和冷却，赋予它独特的黄白色光泽。Alderamin的表面温度约为7500开尔文，使其在地球上肉眼可见，闪耀着明亮的光芒。Alderamin =αCephei最有趣的方面之一是它的自转。Alderamin的自转周期相对较快，大约为12小时。这种快速旋转影响了它的形状，使其略微扁平，即它不是一个完美的球体，而是在赤道处稍微隆起。这种现象在高速自转的恒星中很常见，可以提供有关其内部结构和行为的见解。此外，Alderamin距离地球约49光年。这个距离使天文学家能够详细研究这颗恒星的特性，而不受星际尘埃或其他天体的过多影响。它的接近性使其成为研究的理想候选者，特别是在理解恒星演化和类似恒星的生命周期方面。除了科学重要性，Alderamin =αCephei在文化上也具有重要意义。历史上，各个文明一直依赖恒星进行导航和计时。Alderamin作为北半球的一颗显著恒星，几个世纪以来一直被水手和旅行者用来指引他们的旅程。它在天鹅座中的位置增加了它的历史价值，因为这个星座通常与神话和故事相关联。总之，Alderamin =αCephei不仅仅是一颗恒星；它是探索与发现的象征。它的亮度、独特特征和文化意义使其成为业余天文学家和专业科学家的迷人主题。随着我们继续探索宇宙，像Alderamin这样的恒星提醒我们宇宙的美丽与复杂，鼓励我们仰望夜空，思考我们星球之外的奥秘。通过研究像Alderamin这样的恒星，我们不仅获得了对宇宙本质的洞察，也对我们在其中的位置有了更深的理解。理解这些天体的旅程是人类好奇心和对知识不懈追求的证明。