"Killer" Impacts and Life's Origins

The consequences of impact shocks for the origin of life on Earth and experiments that supported the hypothesis that those "killer impacts," through repeated "fractionation" and enrichment of polyphosphates in the future biosphere, got life started in the first place are discusse...

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Veröffentlicht in:	Science (American Association for the Advancement of Science) 1997-09, Vol.277 (5332), p.1687-1688
1. Verfasser:	Tiedemann, Hendrik
Format:	Artikel
Sprache:	eng
Schlagworte:	Astrophysics Biological and medical sciences Biological evolution Climate Collisions (Nuclear physics) Cooling Earth (Planet) Enthalpy Evolution, Chemical Fundamental and applied biological sciences. Psychology Genetics of eukaryotes. Biological and molecular evolution Hydrogen Cyanide - chemistry Iron Life Meteoroids Oceans Origin Origin of Life Particle collisions Phosphates Polyphosphates Polyphosphates - chemistry Prebiotics Radiation Rain Ribonucleotides Ribonucleotides - chemistry RNA Scientific Concepts Sea water Technical Comments Temperature Thermodynamics Vapors Water
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Beschreibung
Zusammenfassung:	The consequences of impact shocks for the origin of life on Earth and experiments that supported the hypothesis that those "killer impacts," through repeated "fractionation" and enrichment of polyphosphates in the future biosphere, got life started in the first place are discussed.
ISSN:	0036-8075 1095-9203
DOI:	10.1126/science.277.5332.1687