nova

简明释义

英[ˈnəʊvə]美[ˈnoʊvə]

n. [天]新星

n. （Nova）人名；（意、西、塞、葡）诺娃（女名），诺瓦；（英）诺瓦

复 数 n o v a e 或 n o v a s

英英释义

单词用法

同义词

反义词

例句

1.The British troops then moved to Nova Scotia.

之后，英军转移到新斯科舍。

2.Ryan Deschamps, e-Learning Manager, Halifax Public Libraries, Nova Scotia -- Library Journal, 5/11/2010

RyanDeschamps，加拿大新斯科舍省哈利法克斯公共图书馆电子学习项目经理

3.Because NOVA implements full virtualization, unmodified guest operating systems are supported.

由于NOVA实现了全面虚拟化，因此支持未更改的来宾操作系统。

4.The Nova service sends back the requested data as a JSON response.

Nova服务将请求的数据作为一个JSON响应返回。

5.Research from Nova Southeastern University found that female managers were more likely than male managers to display "surface acting," or forcing emotions that are not wholly felt.

诺瓦东南大学的研究发现，女性管理者比男性管理者更有可能表现出“表面行为”，或强迫自己的情绪不被他人完全感知到。

6.Bossa nova is a musical style originating from Brazil, where Ono was born.

波萨诺瓦是一个音乐流派，发源于小野丽莎的出生地巴西。

7.Sayat Nova, an 18th-century Ashough, is revered in Armenia.

萨亚特·诺娃，18世纪的一棵松树，在亚美尼亚备受尊崇。

8.He had once looked into buying his own island off Nova Scotia.

他曾经考虑过在新斯科舍省沿海购买属于自己的小岛。

9.Isle Juan DE Nova in the Mozambique Channel between Madagascar and the African mainland.

马达加斯加和非洲大陆之间莫桑比克海峡中的新胡安岛。

10.The astronomers discovered a new nova in the night sky that was brighter than usual.

天文学家在夜空中发现了一颗比平常更亮的新新星。

11.The nova explosion released an immense amount of energy, visible from millions of light-years away.

这次新星爆炸释放了巨大的能量，从数百万光年外都能看到。

12.In the science fiction novel, the spaceship travels through a nova to reach another galaxy.

在这部科幻小说中，宇宙飞船通过一颗新星穿越到另一个星系。

13.The term nova comes from the Latin word for 'new', referring to the star's sudden brightness.

术语新星源于拉丁语中的“新”，指的是恒星突然变亮。

14.Scientists study novae to understand stellar evolution and the life cycle of stars.

科学家研究新星以了解恒星的演化和生命周期。

作文

In the vast expanse of the universe, there are countless celestial phenomena that captivate our imagination. One such phenomenon is the nova, a term derived from the Latin word for 'new.' A nova refers to a sudden and dramatic increase in brightness of a star, often resulting from a thermonuclear explosion on its surface. This spectacular event occurs in binary star systems, where one star is a white dwarf and the other is a companion star. As the white dwarf pulls material from its companion, the accumulated gas ignites, causing the star to brighten significantly—sometimes outshining entire galaxies for a brief period. The study of novae is crucial for astronomers as it provides insights into stellar evolution and the life cycles of stars. When a nova erupts, it releases a tremendous amount of energy and matter into space, enriching the interstellar medium with heavier elements. This process contributes to the cosmic recycling of materials, allowing new stars and planets to form. The light from a nova can travel across billions of light-years, reaching Earth and offering a glimpse into the past of our universe. Historically, novae have been recorded by various civilizations. Ancient astronomers observed these brightening stars, often attributing them to omens or significant events. For instance, the famous nova of 1572, observed by Tycho Brahe, challenged the long-held belief that the heavens were immutable and unchanging. This observation marked a turning point in astronomy, leading to the realization that the universe is dynamic and ever-evolving. Modern technology has greatly enhanced our ability to detect and study novae. Telescopes equipped with advanced sensors can capture the light emitted during a nova explosion, allowing scientists to analyze its composition and behavior. This research not only deepens our understanding of novae but also sheds light on other astronomical phenomena, such as supernovae and gamma-ray bursts. Moreover, the occurrence of novae is not just a subject of academic interest; it has practical implications for our understanding of the universe. By studying the frequency and distribution of novae, astronomers can infer the age and evolution of star systems. This knowledge is vital for constructing models of galactic evolution and understanding the formation of our own Solar System. In conclusion, the phenomenon of a nova is a remarkable testament to the beauty and complexity of the cosmos. It serves as a reminder of the dynamic processes at play in the universe and highlights the interconnectedness of all celestial bodies. As we continue to explore the mysteries of space, the study of novae will undoubtedly remain a key area of research, illuminating our path toward understanding the very fabric of existence. The next time you gaze at the night sky, consider the possibility that a distant nova might be shining brightly, telling a story of creation, destruction, and rebirth among the stars.

在宇宙的广阔空间中，有无数天体现象吸引着我们的想象力。其中一个现象是nova，这个词源自拉丁语，意为“新”。nova指的是一颗恒星亮度的突然和剧烈增加，通常是由于其表面发生热核爆炸。这种壮观的事件发生在双星系统中，其中一颗是白矮星，另一颗是伴星。当白矮星从伴星上吸取物质时，积累的气体点燃，导致恒星显著变亮——有时甚至在短时间内比整个星系还要明亮。 对天文学家来说，研究novae至关重要，因为它提供了关于恒星演化和恒星生命周期的洞察。当一颗nova爆发时，它会释放出大量能量和物质到太空中，丰富星际介质中的重元素。这个过程促进了宇宙材料的回收利用，使得新的恒星和行星得以形成。来自nova的光可以穿越数十亿光年，抵达地球，为我们提供了宇宙过去的一个视角。 历史上，各个文明都记录了novae的出现。古代天文学家观察到这些亮星，常常将其归因于征兆或重大事件。例如，1572年的著名nova被提霍·布拉赫观察到，这挑战了长期以来人们认为天体是不可改变的信念。这一观察标志着天文学的一个转折点，使人们意识到宇宙是动态的、不断演变的。 现代技术大大增强了我们探测和研究novae的能力。配备先进传感器的望远镜可以捕捉到nova爆炸时发出的光，使科学家能够分析其成分和行为。这项研究不仅加深了我们对novae的理解，还揭示了其他天文现象，如超新星和伽马射线暴。 此外，novae的发生不仅仅是学术兴趣的问题；它对我们理解宇宙具有实际意义。通过研究novae的频率和分布，天文学家可以推断出恒星系统的年龄和演化。这些知识对于构建星系演化模型和理解我们自己的太阳系的形成至关重要。 总之，nova现象是宇宙美丽和复杂性的显著证明。它提醒我们宇宙中正在进行的动态过程，并突显了所有天体之间的相互联系。当我们继续探索太空的奥秘时，novae的研究无疑将仍然是一个关键领域，照亮我们理解存在本质的道路。下次当你凝视夜空时，请考虑遥远的nova可能正闪耀着光芒，讲述着星星之间创造、毁灭和重生的故事。