Sunspots used to be very mysterious and vague. Sure, they look like dark spots against the brightness of the solar disk. But what do they really look like up close? In the set of video stills above, you can see how sunspots appear in close up. In the picture at the left, you can see how they appear in three dimensions. These views are now possible with recent imaging techniques and technologies used by astronomers. Click on the images to watch the associated videos.Save gas! Convert your car to burn water.
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