sunspot

简明释义

英[ˈsʌnspɒt]美[ˈsʌnspɑːt]

n. 太阳黑子；雀斑

复 数 s u n s p o t s

英英释义

单词用法

同义词

反义词

例句

1.This is known as the sunspot cycle.

这是被称为太阳黑子周期。

2.This includes the continuous survey of umbra and penumbra of the sunspot.

这包括对太阳黑子本影和半影持续的观测。

3.On Earth, among the surest indications of sunspot cycles are believed to be the rate that trees grow, as seen in the rings visible in the cross sections of their trunks.

在地球上，人们认为，表明太阳黑子周期最可靠的迹象之一是树木的生长速度，就像树干横截面上可见的年轮一样。

4.Just as a sunspot was turning away from Earth on Sept. 8, the active region erupted, producing a solar flare and a fantastic prominence.

9月8日正当太阳黑子开始远离地球的时候，活跃区域又发生一次爆发，同时出现一个明显的突起。

5.Any changes in sunspot Numbers reflect changes inside the sun.

黑子数目的任何改变都反映了太阳内部活动的变化。

6.Giovanni Cassini, an Italian astronomer, described a sunspot that appeared in 1671 as the first he had seen for many years.

在1671年，一位意大利天文学家乔凡尼•卡西尼，描述了他多年以来首次观测到的一个太阳黑子。

7.Anyway, Wolf went though all records from various observatories in Europe and put together a history of sunspot observations going back about 100 years.

不论如何，沃尔夫查阅了欧洲各个天文台的所有记录，并把大约100年前的太阳黑子观测历史整理在一起。

8.Changes to the sunspot cycle will have an impact on our weather and climate — but not a very big one. David Biello reports.

太阳黑子周期的变化可能给我们的天气和气候造成一定影响，但是并没有想象中那么大。大卫·比尔洛报道。

9.When our star drops out of its latest sunspot activity cycle, the sun is most likely going into hibernation, scientists announced today.

科学家今天宣布，当我们的恒星脱离最近的太阳黑子活动周期时，太阳最有可能进入冬眠。

10.During periods of high solar activity, more sunspots 太阳黑子 appear.

在高太阳活动期间，出现更多的太阳黑子。

11.Astronomers use telescopes to study sunspots 太阳黑子 in detail.

天文学家使用望远镜详细研究太阳黑子。

12.Scientists have observed a large sunspot 太阳黑子 on the surface of the sun.

科学家观察到太阳表面有一个大的太阳黑子。

13.The number of sunspots 太阳黑子 can indicate the solar activity cycle.

太阳黑子的数量可以指示太阳活动周期。

14.The largest sunspot 太阳黑子 ever recorded was seen in 2003.

有史以来记录的最大太阳黑子于2003年被观察到。

作文

The sun is a magnificent star at the center of our solar system, providing light and warmth essential for life on Earth. However, it is not just a steady source of energy; it also exhibits fascinating phenomena, one of which is the occurrence of sunspots. 太阳黑子 are temporary phenomena on the sun's photosphere that appear as spots darker than the surrounding areas. These spots are caused by intense magnetic activity, which inhibits convection and results in reduced surface temperature in those regions. Understanding sunspots and their implications is crucial for both astronomy and meteorology.Historically, sunspots have been observed for centuries, with early astronomers like Galileo Galilei documenting their existence in the early 17th century. The study of sunspots has provided valuable insights into solar cycles, which typically last about 11 years. During periods of high solar activity, known as solar maximum, the number of sunspots increases significantly. Conversely, during solar minimum, sunspots become scarce. This cyclical nature of solar activity has profound effects on space weather and can influence Earth's climate.The impact of sunspots extends beyond mere visual observation. They are linked to solar flares and coronal mass ejections, which can release vast amounts of energy and charged particles into space. When these particles interact with Earth's magnetic field, they can cause geomagnetic storms, leading to disruptions in satellite communications, navigation systems, and even power grids. Thus, monitoring sunspots and predicting solar activity is vital for protecting our technological infrastructure.Moreover, sunspots also serve as indicators of the sun's overall health and behavior. Scientists use sophisticated instruments to track sunspots and analyze their characteristics. This research helps to improve our understanding of stellar dynamics and the fundamental processes driving solar phenomena. For example, the relationship between sunspots and solar radiation can provide insights into how solar output varies over time, influencing Earth's climate patterns.In addition to their scientific significance, sunspots have captured the imagination of many. They remind us of the sun's complexity and the intricate dance of forces at play within our universe. As we continue to explore the cosmos, the study of sunspots will remain a key area of research, revealing more about our sun's behavior and its effects on our planet.In conclusion, sunspots are not just dark spots on the sun; they are gateways to understanding solar activity and its far-reaching impacts. From historical observations to modern scientific research, the study of sunspots continues to enrich our knowledge of the sun and its influence on Earth. As technology advances, we can expect to uncover even more about these intriguing solar phenomena, further solidifying their importance in both astronomy and our daily lives.

太阳是我们太阳系中心的一颗宏伟星体，为地球上的生命提供必需的光和热。然而，它不仅是一个稳定的能量源，还表现出迷人的现象，其中之一就是太阳黑子的出现。太阳黑子是太阳光球层上的暂时现象，呈现出比周围区域更暗的斑点。这些斑点是由强烈的磁活动引起的，这种活动抑制了对流，导致这些区域的表面温度降低。理解太阳黑子及其影响对于天文学和气象学至关重要。在历史上，太阳黑子被观察了几个世纪，早期天文学家如伽利略在17世纪初就记录了它们的存在。太阳黑子的研究提供了关于太阳周期的宝贵见解，这些周期通常持续约11年。在高太阳活动期间，即太阳最大期，太阳黑子的数量显著增加。相反，在太阳最小期，太阳黑子变得稀少。这种太阳活动的周期性特征对太空天气产生深远影响，并可能影响地球气候。太阳黑子的影响不仅限于简单的视觉观察。它们与太阳耀斑和日冕物质喷发有关，这些现象可以释放出大量能量和带电粒子。当这些粒子与地球的磁场相互作用时，可能会导致地磁风暴，从而干扰卫星通信、导航系统，甚至电网。因此，监测太阳黑子并预测太阳活动对于保护我们的技术基础设施至关重要。此外，太阳黑子也作为太阳整体健康和行为的指标。科学家使用复杂的仪器跟踪太阳黑子并分析其特征。这项研究有助于提高我们对恒星动力学以及驱动太阳现象的基本过程的理解。例如，太阳黑子与太阳辐射之间的关系可以揭示太阳输出随时间变化的方式，从而影响地球的气候模式。除了科学意义外，太阳黑子还吸引了许多人的想象力。它们提醒我们太阳的复杂性以及我们宇宙中力量的复杂舞蹈。随着我们继续探索宇宙，对太阳黑子的研究将仍然是一个关键领域，揭示更多关于太阳行为及其对我们星球的影响。总之，太阳黑子不仅仅是太阳上的黑点；它们是理解太阳活动及其广泛影响的门户。从历史观察到现代科学研究，太阳黑子的研究继续丰富我们对太阳及其对地球影响的知识。随着技术的进步，我们可以期待揭示更多关于这些迷人太阳现象的秘密，进一步巩固它们在天文学和我们日常生活中的重要性。