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黑子群

网络sunspot groups

黑子群

黑子群

黑子群

sunspot groups

...以用肉眼看到。太阳黑子常以群组(groups)方式出现，一个群组有多达100个黑子，尽管超过10个黑子的黑子群(sunspot group…

1

Close to the centre of the sun , a group of sunspots is visible .

接近太阳表面中心之处，一个黑子群清晰可见。

2

In view of its physical nature such a sunspot group actually has a structure of its own .

从物理性质方面来看黑子群实际上有它自身的结构。

3

In fact , viewed from Earth , AR 1339 is large enough to be visible to the naked eye .

实际上，AR1339 黑子群大到连肉眼也能看得见。

4

The monster spot came into view of Earth-bound telescopes last week .

上星期，人们用地面望远镜观测到了这一太阳黑子群。

5

We observe three sunspot groups on the disc .

在日面上观测到三个黑子群。

6

Spot sizes vary from several hundred km across to more than 100, 000 km for groups .

黑子的面积由数百千米的单个黑子至尺度逾 100,000 千米的黑子群不等。

7

Sunspot group classifications by magnetic polarity

黑子群磁性分类

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