coronagraph

简明释义

英[kəˈrəʊnəˌɡrɑːf]美[kəˈronəˌɡræf]

n. [天]日冕仪（等于 coronograph）

英英释义

单词用法

同义词

反义词

例句

1.This week, in Nature, Eugene Serabyn of the Jet Propulsion Laboratory in California and his colleagues describe a stunning implementation of what is known as an optical vortex coronagraph.

本周，加利福尼亚州喷气推进实验室的尤金·瑟拉宾和他的同事将在《自然》杂志中描述被称为光学涡旋日冕的一项惊人的实验。

2.This week, in Nature, Eugene Serabyn of the Jet Propulsion Laboratory in California and his colleagues describe a stunning implementation of what is known as an optical vortex coronagraph.

本周，加利福尼亚州喷气推进实验室的尤金·瑟拉宾和他的同事将在《自然》杂志中描述被称为光学涡旋日冕的一项惊人的实验。

3.The principle of coronagraph requires that stray light in coronagraph system must be kept at an extremely low level.

日冕仪的工作特点决定了其对杂散光抑制要求极其严格。

4.A coronagraph can block the bright light of the sun, allowing us to see the faint corona.

一台日冕仪可以阻挡阳光的强光，使我们能够看到微弱的日冕。

5.The coronagraph is an essential tool for studying solar corona.

这台日冕仪是研究太阳日冕的重要工具。

6.Scientists use the coronagraph to observe solar flares and their effects on Earth.

科学家使用日冕仪观察太阳耀斑及其对地球的影响。

7.The latest advancements in coronagraph technology have improved image resolution significantly.

最新的日冕仪技术进步显著提高了图像分辨率。

8.NASA's mission includes a coronagraph to study the solar wind.

美国宇航局的任务包括一台日冕仪来研究太阳风。

作文

The coronagraph is an essential instrument used in solar astronomy to study the sun's corona, the outermost layer of the sun's atmosphere. This remarkable device allows astronomers to observe phenomena that are otherwise hidden by the brightness of the sun's surface. By blocking out the direct light from the sun, the coronagraph enables scientists to investigate solar flares, coronal mass ejections, and other solar activities that can have significant effects on space weather and, consequently, on Earth. Developed in the early 20th century, the coronagraph has undergone numerous advancements. The earliest versions were relatively simple, using a disk to block out the sun’s light. However, modern coronagraphs employ sophisticated technology, including adaptive optics and high-resolution imaging systems, to provide clearer and more detailed observations. One of the most notable applications of the coronagraph is during total solar eclipses, when the moon completely covers the sun. During such events, the corona becomes visible, allowing scientists to study its structure and dynamics. However, since total solar eclipses are rare occurrences, the coronagraph provides a more consistent means of observing the corona throughout the year. The importance of studying the sun cannot be overstated. The sun is the primary source of energy for our planet, and understanding its behavior is crucial for predicting space weather events that can disrupt satellite communications, power grids, and even affect aviation. Solar storms, which are often associated with coronal mass ejections, can release vast amounts of energy and charged particles into space, potentially causing geomagnetic storms on Earth. In recent years, space missions equipped with coronagraphs, such as the Solar and Heliospheric Observatory (SOHO) and the Parker Solar Probe, have provided unprecedented insights into solar dynamics. These missions have revealed the complex interactions between the sun's magnetic field and its plasma, shedding light on the processes that drive solar activity. Moreover, the coronagraph plays a vital role in our understanding of stellar evolution. By studying the corona of our sun, astronomers can draw parallels with other stars, gaining insights into their life cycles and behaviors. This comparative analysis is essential for building comprehensive models of how stars evolve over time. In conclusion, the coronagraph is not just a tool for observing the sun; it is a gateway to understanding the complex and dynamic nature of our closest star. As technology continues to advance, we can expect even more detailed observations and discoveries that will enhance our knowledge of the sun and its influence on the solar system. The ongoing research facilitated by coronagraphs will undoubtedly lead to breakthroughs in both solar physics and our understanding of the universe at large.

冠状仪是太阳天文学中一种重要的仪器，用于研究太阳的日冕，即太阳大气的最外层。这种非凡的设备使天文学家能够观察到其他情况下被太阳表面亮度掩盖的现象。通过遮挡来自太阳的直射光，冠状仪使科学家能够研究太阳耀斑、日冕物质抛射以及其他可能对空间天气产生重大影响的太阳活动。冠状仪在20世纪初开发，经历了无数次进步。最早的版本相对简单，使用一个圆盘来遮挡太阳的光。然而，现代冠状仪采用先进的技术，包括自适应光学和高分辨率成像系统，以提供更清晰、更详细的观察。冠状仪最显著的应用之一是在日全食期间，当月球完全遮住太阳时。在这种事件中，日冕变得可见，使科学家能够研究其结构和动态。然而，由于日全食是罕见的事件，冠状仪提供了一种更一致的手段，可以在一年中的任何时候观察日冕。研究太阳的重要性不容低估。太阳是我们星球的主要能量来源，理解其行为对于预测可能干扰卫星通信、电网甚至影响航空的空间天气事件至关重要。太阳风暴通常与日冕物质抛射有关，可能会向太空释放大量能量和带电粒子，从而可能在地球上引发地磁风暴。近年来，配备有冠状仪的空间任务，如太阳和日光层观测卫星（SOHO）和帕克太阳探测器，提供了前所未有的太阳动态洞察。这些任务揭示了太阳磁场与等离子体之间的复杂相互作用，阐明了驱动太阳活动的过程。此外，冠状仪在我们理解恒星演化方面也发挥着至关重要的作用。通过研究我们太阳的日冕，天文学家可以与其他恒星进行比较，从而深入了解它们的生命周期和行为。这种比较分析对于建立全面的恒星演化模型至关重要。总之，冠状仪不仅仅是观察太阳的工具；它是理解我们最近的恒星复杂而动态的本质的一个入口。随着技术的不断进步，我们可以期待更详细的观察和发现，这将增强我们对太阳及其对太阳系影响的知识。由冠状仪促进的持续研究无疑将导致太阳物理学和我们对宇宙整体理解的突破。