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Título

Evidence of a nitrogen deficiency as a selective pressure towards the origin of biological nitrogen fixation in the early Earth

Autor Calva-Alejo, Leonel; Nna Mvondo, Delphine ; McKay, Christopher P.; Navarro-González, Rafael
Palabras clave Astrobiology
Prebiotic conditions
Chemical evolution
Natural selection
Solar system
Coronae discharges
Lightnings
Nitrogen fixation rate
Early atmosphere
Earth
Fecha de publicación 2000
EditorKluwer Academic Publishers
Citación Astrobiology: Origins from the Big-Bang to Civilisation, Chela-Flores, J.; Lemarchand, Guillermo A.; Oró, John (Eds.), p.283 (2000)
ResumenWe report an experimental study of the possible effects of lightning discharges on the nitrogen fixation rate during the evolution of the Earth's early atmosphere.
[BOOK] The general topic of this book concerns the origin, evolution, distribution, and destiny of life in the Universe. It discusses the transition from inert matter to cellular life and its evolution to fully developed intelligent beings, and also the possibility of life occurring elsewhere, particularly in other environments in our own and other solar systems. The theoretical framework of Astrobiology may be probed with a forthcoming series of space missions, which at the time of writing are being planned for the next 10 to 15 years. Advanced extraterrestrial life can also be probed by means of radioastronomy in the well-established project of search for extraterrestrial intelligence (SETI). Astrobiology pays special attention to the robust growth in our capacity to search for microorganisms, as well as signals of extraterrestrial life, with recent significant technological progress in planetary science and radioastronomy. The progress of the main space agencies is highlighted.
Descripción Published in: Astrobiology: Origins from the Big-Bang to Civilisation, Chela-Flores, J.; Lemarchand, Guillermo A.; Oró, John (Eds.), Kluwer Academic Publ., Dordrecht, Netherlands, p. 283 (2000).-- Book has 364 p.
Versión del editorhttp://books.google.es/books?id=Iu2La-QmRJEC&pg=PA283&lpg=PA283
URI http://hdl.handle.net/10261/8226
ISBN 978-0-7923-6587-7
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