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Last Post 3/4/2005 6:37 AM by Terry Kucera

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3/3/2005 11:50 AM
Becky S How did sunspots get their names in the first place?

Terry Kucera

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3/4/2005 6:37 AM
Hi Becky, Sunspots look like dark spots on the Sun, so "sun-spots". I don't know who first used that term or first used it in English. The web page below describes early sunspot observations, and translates the title of a paper by Galileo as "Three Letters on Solar Spots..." http://galileo.rice.edu/s...ations/sunspots.html Each particular sunspot group is also given a number, so we can distinguish them. These numbers are given by the National Oceanic and Atmospheric Administration (NOAA). Terry