From what I understand of solar activity and the weather (and it ain't much) solar activity doesn't just change in a day or two. Carbon dating of the remains of trees at high elevations and ice core and silt core samples prove without a shadow of a doubt,that the sun pulses. It's a 700 year cycle in which there is massive solar activity for 350 years followed by 350 years of calm. The years of high activity cause warming on earth,the lack of activity causes it to get colder. We peaked in the 20th century. Solar activity is ceasing and it's causing colder weather and will for the next three and a half centuties. As for WHY solar activity causes the heating and cooling,seems simple enough to me. The sun is hotter during the times of high activity,cooler during times of calm. I saw a show in TLC one time explaining why the pulsing occurs,but I ain't smart enough to have remembered it or able to really explain it.
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Today's Featured Article - A Brief History of Tractors in Australia - by Bob Kavanagh. After Captain Cook's exploration of the east coast in 1770 the British Government decided to establish a penal colony in Australia. The first fleet arrived in 1788 and consisted mainly of convicts who were poorly equipped and new little of farming techniques. The colony remained far from self-supporting and it was not until the early 1800's that things started to improve. Free settlers started to arrive, they followed the explorers across the mountains and where land was suitable set up farms. T
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