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Title: 400 Years of Sunspot Observations Post by: Steve - K4HX on March 14, 2011, 09:46:09 PM http://www.nasa.gov/mission_pages/sunearth/news/400yrs-spots.html
Title: Re: 400 Years of Sunspot Observations Post by: Mike/W8BAC on March 14, 2011, 10:30:12 PM Interesting read. Thanks for posting Steve. Fabricius was in great company with the likes of Galileo, Scheiner and Lord Kelvin. It is amazing they had the ability to show the earths magnetic fields effect on solar debris at that time. AMfone - Dedicated to Amplitude Modulation on the Amateur Radio Bands
Mike |