prominences

简明释义

英[/ˈprɒmɪnənsɪz/]美[/ˈprɑːmɪnənsɪz/]

n. [天]日珥（prominence 的复数）；突出物；织物中凸起部分

英英释义

单词用法

同义词

反义词

例句

1.Pastern joint: Broad and in line with the forearm, without bony prominences or skin folds.

胶联：宽，前臂配合，没有骨性突起或皮肤皱褶。

2.Just over the Sun's edges, several prominences are visible, while two prominences on the Sun's face are seen as light streaks just above and right of the image center.

刚刚在太阳的边缘，一些日珥是看得见的，而两个太阳的脸上突起为略高于和右图像的中心光条纹出现。

3.The looping, gaseous eruptions are linked to changes in the strength of the sun's magnetic field, though the details of how solar prominences form remain an active area of research, Guhathakurta said.

古哈萨·库塔说，这种环状气态喷发与太阳磁场强度变化有关。不过，有关日珥形成的具体细节仍是目前较活跃的研究领域。

4.What's more, a decrease in sunspots doesn't necessarilymean a drop in other solar features such as prominences, which can produce aurora-triggering coronal mass ejections.

而且，太阳黑子减少并不一定意味着太阳的其它特征的减少，比如日珥——它能产生引起极光的日冕物质抛射。

5.Shearing, pressure, and frictional forces also all play a role in the breakdown of the cutaneous barrier, since they are concentrated over the abnormal bony prominences.

剪切力，压力和摩擦力也都可能有破坏骨突起异常区域皮肤屏障的作用。

6.The rising red dwarf star shows expected stellar magnetic activity which includes dramatic and violent prominences .

上升中的红矮星有著可预期的磁场活动，包含了激烈的日珥现象。

7.The looping, gaseous eruptions are linked to changes in the strength of the sun's magnetic field, though the details of how solar prominences form remain an active area of research, Guhathakurta said.

古哈萨·库塔说，这种环状气态喷发与太阳磁场强度变化有关。不过，有关日珥形成的具体细节仍是目前较活跃的研究领域。

8.Although very hot, prominences typically appear dark when viewed against the Sun, since they are slightly cooler than the surface.

虽然很热，日珥典型表现是在太阳的衬托下显得较暗，因为它们比太阳表面稍冷一些。

9.Dramatic prominences can sometimes be seen looming just beyond the edge of the sun.

日珥有时候在太阳的边缘若隐若现。

10.The artist highlighted the prominences in her sculpture to create a more dynamic visual effect.

艺术家在她的雕塑中强调了突出部分，以创造更具动态的视觉效果。

11.The mountain range is known for its stunning natural prominences, which attract hikers from all over the world.

这座山脉以其惊人的自然突出部分而闻名，吸引了来自世界各地的徒步旅行者。

12.In astronomy, solar prominences can be observed as large loops of gas extending from the sun's surface.

在天文学中，太阳的日冕突出物可以观察到作为从太阳表面延伸的大气体环。

13.The city skyline features several architectural prominences that define its unique character.

城市的天际线有几个建筑突出部分，定义了其独特的特点。

14.Geologists study the prominences of rock formations to understand the Earth's history.

地质学家研究岩石形成的突出部分以了解地球的历史。

作文

In the vast expanse of our universe, we often find ourselves captivated by the beauty and complexity of celestial bodies. Among these wonders, the sun stands out not only as the center of our solar system but also as a source of life and energy for our planet. One of the most fascinating features of the sun is its various surface phenomena, particularly the solar prominences, which are large, bright features extending outward from the sun's surface. These prominences can be seen as immense loops or sheets of plasma that are held in place by magnetic forces. They can reach heights of several thousand kilometers and can last for days or even weeks before eventually dissipating back into the sun's atmosphere.Solar prominences are formed when the sun's magnetic field lines become twisted and tangled due to the dynamic movements of the solar plasma. When these magnetic fields reconnect, they can create an eruption of energy that ejects material into space, forming the stunning arcs of plasma that we observe as prominences. The colors of these prominences can vary, appearing red during a total solar eclipse, which is due to the emission of hydrogen gas. This striking visual display not only captivates astronomers but also provides insight into the sun's behavior and its impact on space weather.Understanding prominences is crucial for scientists studying solar activity and its effects on Earth. For instance, solar prominences can influence space weather, which in turn affects satellite communications, power grids, and even astronauts in space. When prominences erupt, they can release coronal mass ejections (CMEs), which are large expulsions of plasma and magnetic field from the sun's corona. These CMEs can travel across the solar system and interact with Earth's magnetic field, potentially leading to geomagnetic storms that disrupt technology on our planet.Furthermore, the study of solar prominences has advanced significantly with the development of space-based telescopes and observatories. Instruments like the Solar Dynamics Observatory (SDO) provide high-resolution images and data that allow scientists to monitor and analyze these magnificent structures in real-time. This research not only enhances our understanding of the sun's dynamics but also contributes to the broader field of astrophysics, shedding light on the behavior of stars and their evolution.In conclusion, solar prominences are not merely beautiful displays of nature; they are essential components of our sun's complex behavior. By studying these prominences, scientists gain valuable insights into solar activity and its implications for life on Earth. As we continue to explore the mysteries of our universe, the study of solar prominences will undoubtedly remain a vital area of research, helping us to understand more about the star that sustains us and the intricate dance of cosmic forces at play in our solar system.

在我们广阔的宇宙中，我们常常被天体的美丽和复杂性所吸引。在这些奇观中，太阳不仅作为我们太阳系的中心而脱颖而出，而且还是我们星球生命和能量的来源。太阳最迷人的特征之一是其各种表面现象，特别是太阳的耀斑，它们是从太阳表面向外延伸的大而明亮的特征。这些耀斑可以被视为巨大的等离子体环或薄片，它们由磁力保持在原位。它们的高度可以达到几千公里，甚至可以持续数天或数周，然后最终消散回太阳的大气中。太阳的耀斑是当太阳的磁场线由于太阳等离子体的动态运动而变得扭曲和缠绕时形成的。当这些磁场重新连接时，它们可以释放出能量，喷射物质到太空中，形成我们观察到的壮观等离子体弧，这就是耀斑。这些耀斑的颜色可能会有所不同，在日全食期间呈现红色，这是由于氢气的发射。这种惊人的视觉展示不仅吸引了天文学家的注意，还为我们提供了有关太阳行为及其对太空天气影响的洞察。理解耀斑对于研究太阳活动及其对地球影响的科学家至关重要。例如，太阳的耀斑可以影响太空天气，而这又会影响卫星通信、电网，甚至太空中的宇航员。当耀斑爆发时，它们可以释放出日冕物质抛射（CME），这是一种来自太阳日冕的大规模等离子体和磁场的喷发。这些CME可以穿越太阳系并与地球的磁场相互作用，可能导致干扰我们星球技术的地磁风暴。此外，随着空间望远镜和天文台的发展，太阳耀斑的研究取得了显著进展。像太阳动力学观测台（SDO）这样的仪器提供高分辨率的图像和数据，使科学家能够实时监测和分析这些壮丽的结构。这项研究不仅增强了我们对太阳动态的理解，还为更广泛的天体物理学领域做出了贡献，揭示了恒星的行为及其演化。总之，太阳的耀斑不仅仅是自然界美丽的展示；它们是我们太阳复杂行为的重要组成部分。通过研究这些耀斑，科学家获得了对太阳活动及其对地球生命影响的宝贵见解。随着我们继续探索宇宙的奥秘，太阳耀斑的研究无疑将仍然是一个重要的研究领域，帮助我们更好地理解维持我们的星星以及在我们太阳系中起作用的复杂宇宙力量的微妙舞蹈。