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本节目将带领大家探索谜样的太阳，深入了解太阳对我们过去、现在、未来生活的重要性。也探讨了太阳如何影响地球的重大科学发现，它每秒钟所释放的能量足够人类使用百万年。它仍是我们未来唯一的希望。
n. 决心，决定，坚决，决议，解决，分辨率
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- But the sun is much more than a giant lightbulb.
- 但是太阳不只是个巨大的灯泡
- There are other forces at work in the sun.
- 其内部还有其他的力量正在运作
- Forces that change over minutes and over years.
- 这些力量可能在数分钟或数年内改变
- Forces that tear the surface apart.
- 撕裂太阳表面
- We are only now beginning to understand these forces
- 我们现在才开始了解这些力量
- and the effects they have on the Earth.
- 及它们对地球的影响
- But we have known about them for hundreds of years.
- 但我们早在几百年前，就知道它们的存在
- Because the sun gets spots.
- 因为太阳上会出现黑点
- Sun spots are dark regions on the surface of the Sun,
- 太阳黑子是出现在太阳表面的黑色区域
- typically about the size of the Earth in terms of area.
- 一般来说，大小和地球差不多
- Here's a live shot of one today.
- 这是今天拍到的即时影像
- Unfortunately we've got a very windy day with high thin clouds,
- 可惜今天风很大，而且高空有稀薄的云层
- so the picture's bouncing around and not very sharp,
- 所以画面晃得很厉害，画质也不清晰
- but with very high resolution images we can see
- 但以高解析度来看，就能看到
- detailed structure in the sun spot.
- 太阳黑子的仔细构造
- The inner part of the sun spot,
- 太阳黑子的内部…
- the dark umbra as we call it is dark
- 即所谓的暗影
- only in comparison to the rest of the sun.
- 只是与太阳其他地方对比下，才显得黑暗
- It's actually bright enough that it would blind you
- 其实暗影很亮，单独直视它的话
- if you looked at it alone.
- 会瞎掉
- The spots are not static.
- 太阳黑子并非静止不动
- These video images show the edges of the spot crawling,
- 我们拍到的画面显示，黑子的边缘
- almost as if it was alive.
- 正在鲜活蠕动
- The movements of sunspots have been studied
- 自从伽利略用望远镜观察太阳
- for four hundred years.
- 对其行为有重大发现后
- Ever since Galileo trained his telescope on the sun
- 人类就开始研究太阳黑子的活动
- and made the first crucial discovery about its behaviour.
- 至今已四百多年
- Surprised to see black dots creeping over the surface
- 伽利略惊讶地发现，太阳表面有移动的黑点
- he kept track of them over a number of days
- 因此连续观察了好几天
- and found that they were all moving in the same direction.
- 结果发现它们都朝着相同的方向移动
- To Galileo the meaning was clear
- 对伽利略而言，其意义再清楚不过
- the sun was rotating
- 太阳在旋转
- and was turning faster at the equator than at the poles.
- 而且赤道旋风的速度比两极快
- It was a discovery that was to prove critical
- 这项发现对我们
- in our understanding of how the sun works.
- 了解太阳的作用机制至关重要
- Ever since Galileo records have been
- 自伽利略之后
- kept of the coming and goings of sunspots
- 人们便开始记录太阳黑子的出现与消失
- and variations soon became clear.
- 其变异很快就呼之欲出
- Sometimes the sun is covered in hundreds of spots
- 有时太阳表面出现数以百计的黑子
- other times there are none at all.
- 有时连一个都没有
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