单词sunspot
n.: （太阳）黑子
网络: 太阳黑子；日斑；太阳黑点
（太阳）黑子:
a dark area that sometimes appears on the sun"s surface
太阳黑点
黑子;雀斑
〔天〕太阳黑子
复数：sunspots
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This east-west flow of plasma inside the sun normally indicates the onset of sunspot formation for the next solar cycle.
太阳内部自东向西的等离子流预示着下一个太阳周期里太阳黑子的形成。
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。
Sunspot activity is correlated with the total amount of energy we receive from the sun.
太阳黑子的活动性与我们从太阳那获得的总能量密切相关。
The Sun is not considered a variable star, but it does undergo periodic changes in activity known as the sunspot cycle.
太阳是不被认为是变星，但它的变化进行定期的活动被称为太阳黑子周期。
It was understood that sunspot activity was not at its peak in 1932 and hence the radio waves were unlikely to be emitted from the Sun.
据悉，1932年并非太阳黑子活动的高峰期，由此推测无线电波并非自太阳发出，央斯基认为这些无线电波是从银河系而来。
Generally speaking, scientifically accepted records of sunspot activity do seem to be heading for a climax in the near future.
一般而言，科学地接受记录太阳黑子的活动做似乎是一个高潮标题在不久的将来。
The irregular shapes that surround the sunspot are known as granulation and are made of hot gas rising from inside the Sun.
人们熟知的围绕在太阳黑子周围的不规则米粒组织是由太阳内部喷发的炽热气体形成的。
What is more, the researchers found a sort of sweet spot for their soundings, a depth where the sunspot signal is strongest.
更重要的是，研究人员还发现，黑子信号在某一特定深度是最强的。
Large sunspot group AR 9169 moved across the Sun during 2000 September and decayed in a few weeks.
大型太阳黑子团AR9169在2000年9月穿过了太阳，在几周内衰退了。
If there is a sunspot region along one of these paths, the travel time will be a little bit shorter.
如果传播路径上有一个黑子区，（声波的）传播时间将会短一些。