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What modulates our Sun? The majority of science work on the principle that the Sun is self modulating and each solar cycle is a product of a random number generator. There are others that suspect the Sun is modulated by the planets with a special emphasis on Uranus & Neptune. Thanks to Carl Smith who has recently left us we have new knowledge that significantly adds to Jose, Landscheidt & Charvàtovà's work.

Geoff Sharp

Meridional flow data from NASA

A recent article from the SOHO website showing how the meridional flow speeds have varied over SC23. Since 2005 there has been a big change with a marked increase in speed at the top layer. 2005 is the time the Sun entered its now retrograde path.

Full article at http://sohowww.nascom.nasa.gov/hotshots/2010_03_15/

Many thanks go to Carl's brother Dave for providing the Domain, Server and Software.