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sci.geo.meteorology (Meteorology) (sci.geo.meteorology) For the discussion of meteorology and related topics. |
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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. -- Posted via Mailgate.ORG Server - http://www.Mailgate.ORG |
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