Sunspots in history - spaceweather.com, Today's sunspot number is courtesy national oceanic and atmospheric administration updated: more information: solar activity undulates on an 11 year cycle.
Sunspot cycle and the global temperature change anomaly, Update: the author writes: thank you for posting my story on sunspots and the global temperature anomaly. i was pleasantly surprised when i saw it and the
The maunder minimum and climate change: have historical, The maunder minimum and climate change: have historical records aided current research? john e. beckman, and terence j. mahoney. instituto de astrofísica de canarias
Changing sun, changing climate - american institute of physics, Satellite measurements pinned down precisely how solar brightness varied with the number of sunspots. over a sunspot cycle the energy
Sunspot | astronomy | britannica.com, Sunspot, atmospheric imaging assembly: sunspot group taken by the helioseismic and magnetic imager, march 29, 2010 nasa/goddard space flight center scientific
Is the sun causing global warming? - skeptical science, In the last 35 years of global warming, the sun has shown a slight cooling trend. sun and climate have been going in opposite directions.
Natural phenomena that occur in cycles - living cosmos, Natural phenomena, such as geological, meteorological, biological and socioeconomic phenomena, display common cycles related to those of the sun and moon.
how to Sunspot Cycles And Human History tutorial