RE: [digitalradio] Re:Solar Cycle 23 Sunspot Group Re-emerges

2009-05-01 Thread Dave AA6YQ
I agree, Marc. While there are theories, our present knowledge of solar physics provides no solid ground for predicting what may or may not be happening. Extrapolating empirical observations taken over the past few hundred years is risky, since they literally represent a quark in the bucket with

Re: [digitalradio] Re:Solar Cycle 23 Sunspot Group Re-emerges

2009-05-01 Thread Rik van Riel
Marc PD4U wrote: But is the solar minimum the (only necessary and sufficient) explaining factor for a global cooling? As we say in Holland One swallow doesn't make it summer meaning: one cannot 'jump to conclusions' based on unsufficient data, and beside that the swallow is not the