Impact Melting of Frozen Oceans on the Early Earth: Implications for the Origin of Life

Without sufficient greenhouse gases in the atmosphere, the early Earth would have become a permanently frozen planet because the young Sun was less luminous than it is today. Several resolutions to this faint young Sun-frozen Earth paradox have been proposed, with an atmosphere rich in CO2being the...

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Veröffentlicht in:	Proceedings of the National Academy of Sciences - PNAS 1994-02, Vol.91 (4), p.1248-1250
Hauptverfasser:	Bada, J. L., Bigham, C., Miller, S. L.
Format:	Artikel
Sprache:	eng
Schlagworte:	Amino Acids Atmosphere - analysis Atmospherics Bolide impacts Bolides Carbon Dioxide - analysis Climate Earth Earth (Planet) Earth, ocean, space Evolution Evolution, Planetary Exact sciences and technology Exobiology External geophysics Geology Greenhouse gases Ice Marine Melting Meteors & meteorites Minor Planets Oceans Oceans and Seas Origin of Life Physical Sciences: Geophysics Physics of the oceans Prebiotics Sea-air exchange processes Seawater Space life sciences Sunlight
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