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Old November 3rd 03, 02:15 AM posted to sci.geo.earthquakes,sci.geo.meteorology,sci.physics
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Default Solar Cycles

Dina put me on ignore if you find my hreads so painful.

The Sun

Over an hundred years ago “we” had no idea what powers the sun. Residual
heat, of the sort ascribed the earth’s core, was clearly out of the
question. Then Radio-Activity was discovered.

But the idea that the sun was full of radium or other radioactive
materials was scotched when research in the 1940’s showed that a nuclear
pile will go critical with very small amounts of radio-active material.
The idea that the sun is a nuclear fission device that splits atoms was
shelved. A decade later, the Hydrogen Bomb was invented.

In the meantime (and since before the history of man) the sun is
continuously putting out radiation is a very small window. Over 98% of
this window is infra-red spectrum through “visible” heat (light) to
ultra-violet. About 50% of the solar output is the rainbow of visible
radiation.

Not a bad guess for the gods of evolution was it, to place a nuclear
furnace so close to us; and it only puts out safe radiation? Wavelengths
exactly in between x-rays and microwaves. With a margin for error that
is neatly catered for by the earth’s natural production of ozone –which
is itself another miracle.

Alternatively, if you don’t believe in miracles:

No one has yet discerned the mechanism by which a solar system derives
its heat and light. The bible states, categorically, that the sun will
go on shining as brightly as ever; to time indefinite.

Whether “time indefinite” means forever or not, this term rules out
nuclear fusion or fission (as far as we understand it) and any other
physical / chemical “one way” reaction; just as previously it ruled out
glowing coals.


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