Habitability of Super-Earth Planets around Other Suns: Models including Red Giant Branch Evolution Export

@article{citeulike:4133118, abstract = {The unexpected diversity of exoplanets includes a growing number of super-Earth planets, i.e., exoplanets with masses of up to several Earth masses and a similar chemical and mineralogical composition as Earth. We present a thermal evolution model for a 10 Earth mass planet orbiting a star like the Sun. Our model is based on the integrated system approach, which describes the photosynthetic biomass production taking into account a variety of climatological, biogeochemical, and geodynamical processes. This allows us to identify a so-called photosynthesissustaining habitable zone (pHZ) determined by the limits of biological productivity on the planetary surface. Our model considers the solar evolution during the main-sequence stage and along the Red Giant Branch as described by the most recent solar model. We obtain a large set of solutions consistent with the principal possibility of life. The highest likelihood of habitability is found for ” water worlds”. Only mass-rich water worlds are able to realize pHZ-type habitability beyond the stellar main-sequence on the Red Giant Branch.}, author = {von Bloh, W. and Cuntz, M. and Schroder, K. P. and Bounama, C. and Franck, S.}, citeulike-article-id = {4133118}, citeulike-linkout-0 = {http://arxiv.org/PS_cache/arxiv/pdf/0812/0812.1027v1.pdf}, keywords = {atmospheres, extrasolar, habitable, planetary, planets, terrestrial, zone}, posted-at = {2009-03-04 21:00:11}, priority = {2}, title = {Habitability of Super-Earth Planets around Other Suns: Models including Red Giant Branch Evolution}, url = {http://arxiv.org/PS_cache/arxiv/pdf/0812/0812.1027v1.pdf}, year = {2008} }

TY - JOUR ID - citeulike:4133118 L3 - citeulike-article-id:4133118 N2 - The unexpected diversity of exoplanets includes a growing number of super-Earth planets, i.e., exoplanets with masses of up to several Earth masses and a similar chemical and mineralogical composition as Earth. We present a thermal evolution model for a 10 Earth mass planet orbiting a star like the Sun. Our model is based on the integrated system approach, which describes the photosynthetic biomass production taking into account a variety of climatological, biogeochemical, and geodynamical processes. This allows us to identify a so-called photosynthesissustaining habitable zone (pHZ) determined by the limits of biological productivity on the planetary surface. Our model considers the solar evolution during the main-sequence stage and along the Red Giant Branch as described by the most recent solar model. We obtain a large set of solutions consistent with the principal possibility of life. The highest likelihood of habitability is found for “water worlds”. Only mass-rich water worlds are able to realize pHZ-type habitability beyond the stellar main-sequence on the Red Giant Branch. TI - Habitability of Super-Earth Planets around Other Suns: Models including Red Giant Branch Evolution KW - atmospheres KW - extrasolar KW - habitable KW - planetary KW - planets KW - terrestrial KW - zone AU - von Bloh, W AU - Cuntz, M AU - Schroder, KP AU - Bounama, C AU - Franck, S PY - 2008/// UR - http://arxiv.org/PS_cache/arxiv/pdf/0812/0812.1027v1.pdf ER -