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Tag Archives: sunspot

solar differential rotation [try it]

The Sun is giant fluid ball of gas. It is not a solid body, and it does not behave like one. In particular, it rotates at different speeds at different latitudes. The website displays daily collections of solar images ranging from visible light photospheric images to magnetic maps to high-energy X-ray images of the […]

sunspot areas [Q&A]

Madhusoodan of Poornaprajna College asks, is there a particular size for a sunspot, and if so how does one find that out? The answer to this can get very complicated very quickly, but the short answer is, no, there is no characteristic size to a sunspot. Sunspots are detected and measured in optical light and […]