Halley's comet

简明释义

哈雷慧星

英英释义

Halley's Comet is a short-period comet that orbits the Sun approximately every 76 years, last seen in 1986 and expected to return in 2061.

哈雷彗星是一颗短周期彗星,约每76年绕太阳公转一次,最后一次出现在1986年,预计将在2061年再次出现。

例句

1.I remember watching the night sky for hours hoping to catch a glimpse of Halley's comet.

我记得在夜空下等待了几个小时,希望能看到哈雷彗星的身影。

2.The last time Halley's comet was visible was in 1986, and it attracted many skywatchers.

上一次可见的哈雷彗星是在1986年,吸引了很多观星者。

3.Many astronomers are excited about the upcoming appearance of Halley's comet in 2061.

许多天文学家对2061年即将出现的哈雷彗星感到兴奋。

4.Children learn about Halley's comet in school as part of their astronomy curriculum.

孩子们在学校学习关于哈雷彗星的知识,作为天文学课程的一部分。

5.Some believe that Halley's comet brings good luck when it appears in the sky.

有些人认为,当哈雷彗星出现在天空时,会带来好运。

作文

The universe is filled with wonders that spark our imagination and curiosity. One of the most fascinating celestial events is the appearance of comets, especially Halley's comet. This comet, named after the astronomer Edmond Halley, is one of the most famous and well-documented comets in history. It is known for its spectacular display when it approaches the Earth every 76 years. The last time Halley's comet was visible from Earth was in 1986, and it won't return until 2061. The anticipation surrounding its return has captured the attention of astronomers and the general public alike.Comets are often described as 'dirty snowballs' because they are composed of ice, dust, and rocky material. As a comet approaches the sun, the heat causes the ice to vaporize and release gas and dust, forming a glowing coma and a tail that can stretch for millions of kilometers. This process creates a breathtaking sight in the night sky, making comets like Halley's comet a spectacle to behold.The historical significance of Halley's comet cannot be understated. It has been observed for centuries, with records dating back to 240 BC. Its appearances have been documented in various cultures around the world, often associated with significant events or omens. For instance, it was seen in 1066, shortly before the Battle of Hastings, and many believed it foretold the outcome of the conflict. This connection between celestial events and earthly happenings highlights the importance of Halley's comet in human history.In addition to its historical significance, Halley's comet also serves as a reminder of our place in the universe. The fact that we can predict its return with such accuracy speaks to the advancements in our understanding of astronomy. Modern technology allows us to track and study comets in ways that were unimaginable just a few decades ago. Telescopes and space missions have provided us with valuable data about the composition and behavior of comets, enhancing our knowledge of these fascinating objects.Moreover, Halley's comet has inspired countless works of art, literature, and science. It has been featured in movies, books, and even songs, capturing the imagination of people across generations. The comet's majestic presence in the sky serves as a symbol of exploration and discovery, urging us to look beyond our planet and ponder the mysteries of the cosmos.As we await the return of Halley's comet, it is essential to reflect on what it represents. It is not just a celestial body but a bridge connecting us to our ancestors who gazed at the same comet in awe. It reminds us of the continuity of human experience and our shared fascination with the universe. The next appearance of Halley's comet will undoubtedly bring excitement and wonder, inviting new generations to share in the marvel of this extraordinary phenomenon.In conclusion, Halley's comet is more than just a comet; it is a symbol of humanity's quest for knowledge and understanding of the universe. Its historical significance, scientific importance, and cultural impact make it a remarkable subject of study. As we look forward to its return, we should cherish the opportunity to witness one of nature's most incredible displays, reminding us of the beauty and mystery that exists beyond our world.

宇宙充满了激发我们想象力和好奇心的奇观。其中一个最迷人的天文事件是彗星的出现,尤其是哈雷彗星。这颗彗星以天文学家埃德蒙·哈雷的名字命名,是历史上最著名、记录最详尽的彗星之一。它以每76年靠近地球时的壮观景象而闻名。上一次哈雷彗星从地球可见是在1986年,而它将在2061年再次出现。人们对其回归的期待吸引了天文学家和公众的关注。彗星通常被称为“脏雪球”,因为它们由冰、尘埃和岩石材料组成。当彗星接近太阳时,热量使冰蒸发并释放气体和尘埃,形成一个发光的彗发和可以延伸数百万公里的尾巴。这个过程在夜空中创造出令人叹为观止的景象,使得像哈雷彗星这样的彗星成为值得一看的奇观。哈雷彗星的历史意义不容小觑。几个世纪以来,它一直被观察到,记录可以追溯到公元前240年。它的出现被世界各地的不同文化记录下来,通常与重大事件或预兆相关联。例如,它在1066年被看到,正值黑斯廷斯战役前夕,许多人认为它预示着冲突的结果。这种天文事件与地球事件之间的联系突显了哈雷彗星在人类历史中的重要性。除了历史意义外,哈雷彗星还提醒我们在宇宙中的位置。我们能够如此准确地预测它的回归,体现了我们对天文学理解的进步。现代技术使我们能够以几乎无法想象的方式跟踪和研究彗星。望远镜和太空任务为我们提供了关于彗星组成和行为的宝贵数据,增强了我们对这些迷人天体的了解。此外,哈雷彗星还激发了无数艺术、文学和科学作品。它出现在电影、书籍甚至歌曲中,捕获了几代人的想象。彗星在天空中的宏伟存在作为探索和发现的象征,敦促我们超越我们的星球,思考宇宙的奥秘。在我们等待哈雷彗星回归之际,重要的是要反思它所代表的意义。它不仅仅是一个天体,而是连接我们与祖先的桥梁,他们曾以敬畏的目光凝视同一颗彗星。它提醒我们人类经验的延续以及我们对宇宙的共同迷恋。下一次哈雷彗星的出现无疑会带来兴奋和惊奇,邀请新一代人共同分享这一非凡现象的奇迹。总之,哈雷彗星不仅仅是一颗彗星;它是人类探索知识和理解宇宙的象征。它的历史意义、科学重要性和文化影响使其成为一个值得研究的杰出主题。当我们期待它的回归时,我们应该珍惜目睹自然最不可思议展示的机会,提醒我们在我们世界之外存在的美丽和神秘。

相关单词

comet

comet详解:怎么读、什么意思、用法