Titlebook: Astronomical Origins of Life; Steps Towards Panspe F. Hoyle,N. C. Wickramasinghe Book 2000 Springer Science+Business Media Dordrecht 2000 G

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自然环境

Galactogogue

Formaldehyde Polymers in Cometsfor comets, (H.CO). is difficult to detect, even if it is present in relatively high concentrations. The optical properties of these polymers in the visual and infrared regions are similar to those of silicate grains, and crystalline formaldehyde polymers provide no emission at 6 cm wavelength. The

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lieve 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

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,Empirische Forschung im Überblick,ic quality in the laws of physics and chemistry but of the practical disposition of materials on the Earth and in the cosmos generally. It is a corollary that biology is the means by which an approximation to thermodynamic equilibrium is maintained in materials at temperatures ~ 300 K.