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solar cycles

2 June 2015

At www.vsp.ucar.edu/Heliophysics/pdf/Lika_sideways_SC.pdf … by Madhulika Guhathakurta and Tony Phillips (published in Space Weather, May 2013) and concerns the 11 year solar cycle (which was discovered 150 years ago). It seems, according to the authors, many people, including a goodly proportion of scientists, have a simplistic view of the solar cycle. It has a maximum (usually the mid point of the 11 years) and a minimum (the early stages and the later stages) – but this hides the fact the Sun is highly active all the time – not just at maximum.

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