Polaris=αUrsa Minoris

简明释义

北极星

英英释义

例句

1.In many cultures, Polaris=αUrsa Minoris has been used as a guide for travelers.

在许多文化中，北极星=小熊座α 被用作旅行者的指引。

2.Many children learn about Polaris=αUrsa Minoris in school as part of their astronomy lessons.

许多孩子在学校学习天文学课程时会了解到北极星=小熊座α。

3.The position of Polaris=αUrsa Minoris in the sky remains relatively fixed, making it a reliable reference point.

北极星=小熊座α 在天空中的位置相对固定，使其成为一个可靠的参考点。

4.When navigating at night, sailors often look for Polaris=αUrsa Minoris, which is known as the North Star.

在夜间导航时，水手们常常寻找北极星=小熊座α，它被称为北星。

5.Astronomers often refer to Polaris=αUrsa Minoris when discussing star brightness and positioning.

天文学家在讨论恒星亮度和定位时，常常提到北极星=小熊座α。

作文

The night sky has always fascinated humanity, guiding explorers and inspiring poets. Among the countless stars that twinkle above us, one stands out as a beacon of navigation and mythology: Polaris=αUrsa Minoris. This phrase refers to Polaris being the brightest star in the constellation Ursa Minor, also known as the Little Bear. Understanding Polaris is not just about knowing its name or position; it delves into the realms of astronomy, history, and cultural significance.Polaris, located approximately 433 light-years away from Earth, is a supergiant star that has captivated stargazers for centuries. Its importance lies primarily in its unique position in the night sky. Unlike most stars that appear to move across the sky due to the Earth's rotation, Polaris remains nearly stationary, marking the North Celestial Pole. This characteristic has made it an essential reference point for navigation, especially before the advent of modern technology.Historically, sailors relied on Polaris to find their way across vast oceans. By locating this star, they could determine their latitude and maintain their course during long voyages. The phrase Polaris=αUrsa Minoris encapsulates this vital role, linking the star to its constellation and highlighting its significance in maritime navigation. Even today, while GPS technology has largely replaced traditional methods, Polaris remains a symbol of guidance and direction.Beyond its navigational utility, Polaris holds a prominent place in various cultures and mythologies. In many traditions, it is viewed as a symbol of hope and steadfastness. For instance, in Norse mythology, Polaris is associated with the god Odin, who was believed to guide lost souls home. Similarly, Indigenous peoples of North America have stories that feature Polaris as a guiding star, reinforcing its status as a celestial marker.In addition to its cultural relevance, the scientific study of Polaris offers insights into stellar evolution. As a Cepheid variable star, Polaris exhibits changes in brightness over time, allowing astronomers to use it as a standard candle for measuring astronomical distances. This aspect of Polaris=αUrsa Minoris highlights the intersection of art and science, where the beauty of the night sky inspires inquiry and discovery.Moreover, Polaris serves as a reminder of our place in the universe. It stands as a constant in a world of change, encouraging us to look up and ponder our existence. The phrase Polaris=αUrsa Minoris thus embodies more than just an astronomical fact; it represents humanity's quest for knowledge and understanding. As we gaze upon this star, we are reminded of the countless generations that have looked up in wonder, seeking answers to life’s profound questions.In conclusion, the phrase Polaris=αUrsa Minoris encapsulates a wealth of meaning, intertwining navigation, mythology, and scientific exploration. Polaris is not merely a star; it is a guiding light that has shaped human history and continues to inspire us today. Whether we are lost at sea or navigating the complexities of life, Polaris remains a steadfast companion, illuminating our path and reminding us of the beauty that exists in the cosmos.

夜空一直以来都吸引着人类，引导探险者并激励诗人。在无数闪烁的星星中，有一颗星星以其导航和神话的光辉而脱颖而出：Polaris=αUrsa Minoris。这个短语指的是北极星是小熊座（Ursa Minor）中最亮的星星。理解北极星不仅仅是知道它的名字或位置；它深入到天文学、历史和文化意义的领域。北极星距离地球大约433光年，是一颗超巨星，几个世纪以来一直吸引着观星者。它的重要性主要在于它在夜空中的独特位置。与大多数由于地球自转而在天空中移动的星星不同，北极星几乎保持静止，标记着北天极。这一特性使其成为导航的重要参考点，尤其是在现代技术出现之前。历史上，水手依靠北极星在广阔的海洋中找到方向。通过定位这颗星星，他们可以确定自己的纬度，并在漫长的航行中保持航向。短语Polaris=αUrsa Minoris概括了这一重要角色，将星星与其星座联系起来，突显了它在海洋导航中的重要性。即使在今天，虽然GPS技术在很大程度上取代了传统方法，北极星仍然是引导和方向的象征。除了导航的实用性，北极星在各种文化和神话中也占据着重要地位。在许多传统中，它被视为希望和坚定不移的象征。例如，在北欧神话中，北极星与神奥丁相关联，被认为可以引导迷失的灵魂回家。同样，北美的土著人民有关于北极星的故事，强调了它作为天体标记的地位。此外，北极星的科学研究提供了对恒星演化的洞察。作为一颗造父变星，北极星的亮度随时间变化，使天文学家能够将其用作测量天文距离的标准蜡烛。这个方面的Polaris=αUrsa Minoris突显了艺术与科学的交叉，夜空的美丽激发了探究与发现。而且，北极星提醒我们在宇宙中的位置。它在变化的世界中屹立不倒，鼓励我们仰望星空，思考我们的存在。因此，短语Polaris=αUrsa Minoris的意义不仅限于天文学事实；它代表了人类对知识与理解的追求。当我们凝视这颗星星时，我们想起了无数代人曾在惊奇中仰望，寻求生活深刻问题的答案。总之，短语Polaris=αUrsa Minoris蕴含着丰富的意义，交织着导航、神话和科学探索。北极星不仅仅是一颗星星；它是一个引导的光芒，塑造了人类历史，并继续激励着我们。无论我们是在海上迷失，还是在生活的复杂性中导航，北极星始终是一个坚定的伴侣，照亮我们的道路，提醒我们宇宙中存在的美丽。