Wickramasinghe, Chandra Wickramasinghe, and William Napier (all Cardiff U., Wales) make a case that the origin of life might be an exceedingly rare event, but that its subsequent evolution and dispersal are a cosmic inevitability. In this, they challenge the prevailing notion that life forms easily and often from abiotic materials in certain conditions. They cover cosmic dust and life, the origin of comets, comets in the galactic environment, dark comets as a link to panspermia, the expulsion of microbes from the solar system, liquid water in comets, the origin of life, and expanding horizons of life. The study has been enlarged and updated from Janaki's 2007 PhD dissertation at Cardiff University. Annotation �2011 Book News, Inc., Portland, OR (booknews.com)

Recensione

This book provides a very cogent, scientific and orderly review of the Hoyle-Wickaramsinghe revival of the ancient theory of panspermia. --Professor Gilbert V Levin Arizona State University

This book challenges us to ponder on our origins and therefore deserves to be read by those embarking on astrobiology studies, if only to seek to refute the hypothesis put forward. --Reviews

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