outer space

简明释义

外层空间

英英释义

例句

1.Astronauts train for years to prepare for missions in outer space.

宇航员经过多年的训练，为了准备在外层空间的任务。

2.The International Space Station orbits Earth in outer space.

国际空间站在外层空间绕地球轨道飞行。

3.Many movies depict adventures that take place in outer space.

许多电影描绘了发生在外层空间的冒险故事。

4.Scientists are studying the effects of microgravity in outer space on human health.

科学家正在研究外层空间中的微重力对人类健康的影响。

5.The Hubble Space Telescope has provided stunning images of galaxies in outer space.

哈勃太空望远镜提供了关于外层空间中星系的惊人图像。

作文

Outer space, often referred to simply as outer space, is the vast, seemingly infinite expanse that exists beyond the Earth's atmosphere. It is a region that has fascinated humanity for centuries, inspiring countless explorations and scientific inquiries. The concept of outer space encompasses not only the physical void between celestial bodies but also the mysteries and phenomena that lie within it. As we delve deeper into the universe, our understanding of outer space continues to evolve, revealing both its beauty and its challenges.One of the most intriguing aspects of outer space is its sheer size. It is estimated that the universe is about 93 billion light-years in diameter, filled with billions of galaxies, each containing millions or even billions of stars. This immense scale makes it difficult for us to comprehend our place in the cosmos. The vast distances involved mean that traveling through outer space is an endeavor that requires advanced technology and immense resources. Currently, human space travel is limited to our own solar system, with missions to the Moon and Mars being the most notable examples.In addition to its size, outer space is characterized by its extreme conditions. Temperatures can vary drastically, with some regions reaching near absolute zero while others are exposed to intense radiation from nearby stars. The absence of atmosphere means that sound cannot travel, creating a profound silence that is both eerie and awe-inspiring. Furthermore, the vacuum of outer space presents significant challenges for human survival, necessitating the development of life-support systems for astronauts.The study of outer space has led to numerous scientific advancements and discoveries. Telescopes, both ground-based and space-based, have allowed astronomers to observe distant galaxies, stars, and planets, providing insights into the origins of the universe. The Hubble Space Telescope, for instance, has captured breathtaking images of nebulae and other celestial phenomena, expanding our knowledge of the cosmos. Moreover, the exploration of outer space has sparked interest in astrobiology, the search for extraterrestrial life, and the potential for colonizing other planets.As we continue to explore outer space, ethical considerations also come into play. The potential for asteroid mining, space tourism, and the colonization of other planets raises questions about our responsibilities as stewards of the universe. How do we ensure that our activities do not harm other celestial bodies or disrupt potential ecosystems? These are critical issues that must be addressed as we advance our capabilities in outer space exploration.In conclusion, outer space is a realm that captivates the imagination and challenges our understanding of existence. Its vastness and complexity remind us of our smallness in the grand scheme of the universe. As we push the boundaries of what is possible, the exploration of outer space will undoubtedly lead to new discoveries and innovations, shaping the future of humanity. It is a journey filled with adventure and uncertainty, but one that holds the promise of expanding our horizons and deepening our connection to the cosmos.

外层空间，通常简称为外层空间，是存在于地球大气层之外的广阔、似乎无穷无尽的空间。这是一个几个世纪以来一直吸引人类的领域，激发了无数次探索和科学研究。外层空间的概念不仅包括天体之间的物理真空，还包括其中蕴藏的奥秘和现象。当我们深入宇宙时，对外层空间的理解不断发展，揭示出它的美丽与挑战。外层空间最引人入胜的方面之一是它的巨大规模。估计宇宙直径约为930亿光年，充满了数十亿个星系，每个星系包含数百万甚至数十亿颗恒星。这种巨大的规模使我们很难理解自己在宇宙中的位置。涉及的巨大距离意味着穿越外层空间是一项需要先进技术和巨大资源的事业。目前，人类的太空旅行仅限于自己的太阳系，登月和火星探测是最显著的例子。除了其规模，外层空间的极端条件也是其特征之一。温度可以变化很大，一些区域接近绝对零度，而其他地方则受到附近恒星的强烈辐射的影响。缺乏大气意味着声音无法传播，创造出一种既令人毛骨悚然又令人敬畏的深沉寂静。此外，外层空间的真空环境给人类生存带来了重大挑战，迫使宇航员开发生命支持系统。对外层空间的研究带来了许多科学进步和发现。无论是地面望远镜还是太空望远镜，都使天文学家能够观察遥远的星系、恒星和行星，为宇宙的起源提供了见解。例如，哈勃太空望远镜捕捉到了星云和其他天体现象的惊人图像，扩展了我们对宇宙的知识。此外，探索外层空间引发了对天体生物学的兴趣，即寻找外星生命以及在其他行星上定居的潜力。随着我们继续探索外层空间，伦理考虑也随之而来。小行星采矿、太空旅游和其他行星殖民的潜力引发了关于我们作为宇宙管理者的责任的问题。我们如何确保我们的活动不会伤害其他天体或破坏潜在生态系统？这些都是在提升我们在外层空间探索能力的同时必须解决的关键问题。总之，外层空间是一个迷人且挑战我们对存在理解的领域。它的广阔和复杂性提醒我们在宇宙的宏伟计划中自己的渺小。随着我们推动可能性的边界，探索外层空间无疑会导致新的发现和创新，塑造人类的未来。这是一段充满冒险和不确定性的旅程，但它承载着拓宽视野和加深我们与宇宙联系的承诺。