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A Dynamic Scheme to Assess Habitability of Exoplanets

Schulze-Makuch, D. und Méndez, A und Fairén, A und von Paris, P und Turse, C und Boyer, G und Davila, A.F. und Resendes de Sousa António, Marina (2012) A Dynamic Scheme to Assess Habitability of Exoplanets. In: Life on Earth and other Planetary Bodies Cellular Origin, Life in Extreme Habitats and Astrobiology, 24. Springer. Seiten 307-321. ISBN 978-94-007-4965-8.

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Kurzfassung

In the next few years, the number of catalogued exoplanets will be counted in the thousands and with it the need will arise to prioritize them in regard to habitability and the potential presence of life. Here, we suggest a first attempt of a dynamic scheme for classification based on our current understanding of parameters that are consistent and beneficial for the presence of life. These parameters include the presence of (1) a terrestrial planet or moon, which (2) is endowed with a significant atmosphere; the presence of (3) a magnetic field enveloping the exoplanet; (4) internal differentiation and plate tectonics; (5) detectable surface liquids, preferably water, on the surface of the planetary body; and (6) the detection of geoindicators; and (7) bioindicators. We propose to calculate a habitability index (HI) based on these parameters, but realize the assumptions that go into this value and the very bias introduced by the limitations of the detection methods. However, in order to account for the assumptions and limitations of this method, the HI index is an open scheme that can be updated as technology and our knowledge about habitable planets advances.

Dokumentart:Beitrag in einem Lehr- oder Fachbuch
Titel:A Dynamic Scheme to Assess Habitability of Exoplanets
Autoren:
AutorenInstitution oder E-Mail-Adresse der Autoren
Schulze-Makuch, D.School of Earth and Environmental Sciences, Washington State University, Pullman, USA
Méndez, ASchool of Earth and Environmental Sciences, Washington State University, Pullman, USA
Fairén, ASchool of Earth and Environmental Sciences, Washington State University, Pullman, USA
von Paris, Pphilip.vonparis@dlr.de
Turse, CSchool of Earth and Environmental Sciences, Washington State University, Pullman, USA
Boyer, GSchool of Earth and Environmental Sciences, Washington State University, Pullman, USA
Davila, A.F. NASA Ames Research Center, Mountain View, CA 94043, USA
Resendes de Sousa António, MarinaSchool of Earth and Environmental Sciences, Washington State University, Pullman, USA
Datum:2012
Erschienen in:Life on Earth and other Planetary Bodies
In Open Access:Ja
Band:24
DOI :10.1007/978-94-007-4966-5_18
Seitenbereich:Seiten 307-321
Verlag:Springer
Name der Reihe:Cellular Origin, Life in Extreme Habitats and Astrobiology
ISBN:978-94-007-4965-8
Status:veröffentlicht
Stichwörter:exoplanets, habitability, astrobiology, life, habitability indices​
HGF - Forschungsbereich:Luftfahrt, Raumfahrt und Verkehr
HGF - Programm:Raumfahrt
HGF - Programmthema:Erforschung des Weltraums
DLR - Schwerpunkt:Raumfahrt
DLR - Forschungsgebiet:R EW - Erforschung des Weltraums
DLR - Teilgebiet (Projekt, Vorhaben):R - Projekt COROT Beteiligung
Standort: Berlin-Adlershof
Institute & Einrichtungen:Institut für Planetenforschung > Extrasolare Planeten und Atmosphären
Hinterlegt von: Ulrike Stiebeler
Hinterlegt am:21 Nov 2012 09:07
Letzte Änderung:21 Nov 2012 09:07

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