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Sunspots

[Article] A recent solar flare, and Coronal Mass Ejection, from the Sun sent astronauts scurrying for shelter at the International Space Station. The flare was caused by “Sunspot 930,” which had been quiet for days… but what is a Sunspot?

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Sunspots have been recorded by observers for over 2000 years, but were first viewed using a telescope in the early 1600s. Sunspots are dark patches of intense magnetic activity on the surface of the sun. (Or more accurately, the sun’s photosphere) As well as being darker, they are cooler than...
This article was published Monday, 22 January, 2007 by AFP
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Sunspots

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