Astronomical Origins of Life: Steps Towards Panspermia

Astronomical Origins of Life Steps Towards Panspermia Living material contains about twenty different sorts of atom combined into a set of relatively simple molecules Astrobiologists tend to believe that abiotic mater ial will give rise to life in any pl

  • Title: Astronomical Origins of Life: Steps Towards Panspermia
  • Author: Fred Hoyle Chandra Wickramasinghe
  • ISBN: 9780792360810
  • Page: 162
  • Format: Hardcover
  • Living material contains about twenty different sorts of atom combined into a set of relatively simple molecules Astrobiologists tend to believe that abiotic mater ial will give rise to life in any place where these molecules exist in appreciable abundances and where physical conditions approximate to those occurring here on Earth We think this popular view is wrong, foLiving material contains about twenty different sorts of atom combined into a set of relatively simple molecules Astrobiologists tend to believe that abiotic mater ial will give rise to life in any place where these molecules exist in appreciable abundances and where physical conditions approximate to those occurring here on Earth We think this popular view is wrong, for it is not the existence of the building blocks of life that is crucial but the exceedingly complicated structures in which they are arranged in living forms The probability of arriving at biologically significant arrangements is so very small that only by calling on the resources of the whole universe does there seem to be any possibility of life originating, a conclusion that requires life on the Earth to be a minute component of a universal system Some think that the hugely improbable transition from non living to living mat ter can be achieved by dividing the transition into many small steps, calling on a so called evolutionary process to bridge the small steps one by one This claim turns on semantic arguments which seek to replace the probability for the whole chain by the sum of the individual probabilities of the many steps, instead of by their product This is an error well known to those bookies who are accustomed to taking bets on the stacking of horse races But we did not begin our investigation from this point of view.

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      162 Fred Hoyle Chandra Wickramasinghe
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      Published :2019-06-25T19:21:55+00:00

    About "Fred Hoyle Chandra Wickramasinghe"

    1. Fred Hoyle Chandra Wickramasinghe

      Professor Sir Fred Hoyle was one of the most distinguished, creative, and controversial scientists of the twentieth century He was a Fellow of St John s College 1939 1972, Honorary Fellow 1973 2001 , was elected a Fellow of the Royal Society in 1957, held the Plumian Chair of Astronomy and Experimental Philosophy 1958 1972 , established the Institute of Theoretical Astronomy in Cambridge now part of the Institute of Astronomy , and in 1972 received a knighthood for his services to astronomy Hoyle was a keen mountain climber, an avid player of chess, a science fiction writer, a populariser of science, and the man who coined the phrase The Big Bang.

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