vacuum tower telescope sunspot astronomy visitor center
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vacuum tower telescope sunspot astronomy visitor center |
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| This telescope is used to study granulation, sunspots, faculae, weak magnetic field, filaments, and solar flares. The rotating part of the telescope weighs more than 200 tons. It is suspended at the top from a ring- shaped container holding 10 tons of mercury. The central tube is hanging: it does not sit on anything. Because mercury has very low friction, it is fairly easy to rotate the 200 tons o |
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Stockphotos.ro (c) 2025. All stock photos are provided by Dreamstime and are copyrighted by their respective owners. |
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