Zobrazeno 1 - 10
of 128
pro vyhledávání: '"Alfonso F, Davila"'
Autor:
Marc Neveu, Ariel D. Anbar, Alfonso F. Davila, Daniel P. Glavin, Shannon M. MacKenzie, Charity M. Phillips-Lander, Brent Sherwood, Yoshinori Takano, Peter Williams, Hajime Yano
Publikováno v:
Frontiers in Astronomy and Space Sciences, Vol 7 (2020)
Evidence suggests that Saturn's icy moon Enceladus has a subsurface ocean that sources plumes of water vapor and ice vented to space from its south pole. In situ analyses of this material by the Cassini spacecraft have shown that the ocean contains k
Externí odkaz:
https://doaj.org/article/e44f025a0b3a4cdd90dacbe67a667634
Autor:
Shannon M. MacKenzie, Marc Neveu, Alfonso F. Davila, Jonathan I. Lunine, Morgan L. Cable, Charity M. Phillips-Lander, Jennifer L. Eigenbrode, J. Hunter Waite, Kate L. Craft, Jason D. Hofgartner, Chris P. McKay, Christopher R. Glein, Dana Burton, Samuel P. Kounaves, Richard A. Mathies, Steven D. Vance, Michael J. Malaska, Robert Gold, Christopher R. German, Krista M. Soderlund, Peter Willis, Caroline Freissinet, Alfred S. McEwen, John Robert Brucato, Jean-Pierre P. de Vera, Tori M. Hoehler, Jennifer Heldmann
Publikováno v:
Astrobiology. 22:685-712
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b1682aeef79e3a92b4be68ba0eb43a37
https://doi.org/10.1089/ast.2020.2425
https://doi.org/10.1089/ast.2020.2425
Autor:
Margarita M. Marinova, Christopher P. McKay, Jennifer L. Heldmann, Jacqueline Goordial, Denis Lacelle, Wayne H. Pollard, Alfonso F. Davila
Publikováno v:
Antarctic Science. 34:144-171
We report 3 years of data from one meteorological and three smaller stations in University Valley, a high-elevation (1677 m) site in the Dry Valleys of Antarctica with extensive dry permafrost. Mean air temperature was -23.4°C. Summer air temperatur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::29b781f920bd730291835fbea8b36574
https://doi.org/10.1017/s0954102022000025
https://doi.org/10.1017/s0954102022000025
Autor:
Alfonso F. Davila
Publikováno v:
Astrobiology. 21:802-812
The possibility of biological transfer between planetary bodies is seldom factored into life detection strategies, although the actuality of such an event would have profound implications for how we interpret potential biosignatures found on other wo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::226a2e73066ebf9489a16f32b04e3eec
https://doi.org/10.1089/ast.2020.2397
https://doi.org/10.1089/ast.2020.2397
Autor:
Marc, Neveu, Robert F, Coker, Ralph D, Lorenz, Shannon M, MacKenzie, Jonathan I, Lunine, Alfonso F, Davila
Publikováno v:
Astrobiology. 22(9)
Landed missions to icy worlds with a subsurface liquid water ocean must meet planetary protection requirements and ensure a sufficiently small likelihood of any microorganism-bearing part of the landed element reaching the ocean. A higher bound on th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::212b0427440b20ccf43b38d3295dc6bc
https://pubmed.ncbi.nlm.nih.gov/35972349
https://pubmed.ncbi.nlm.nih.gov/35972349
Autor:
Antonios Seas, Jennifer L. Eigenbrode, David Kusnierkiewicz, Christopher P. McKay, Alfonso F. Davila, Faith Kujawa, John Canham, Robert E. Gold, Charles Lorentson, Erich Schulze, Therese Errigo
Publikováno v:
Frontiers in Space Technologies. 2
A key science priority for planetary exploration is to search for signs of life in our Solar System. Life-detection mission concepts aim to assess whether or not biomolecular signatures of life are present, which requires highly sensitive instrumenta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::118d450079c9cb5428c8aae19d38aca1
https://doi.org/10.3389/frspt.2021.734423
https://doi.org/10.3389/frspt.2021.734423
Autor:
Alfonso F Davila, Ian eHawes, Jonathan eGarcía Araya, Diego R Gelsinger, Jocelyne eDiRuggiero, Carmen eAscaso, Anne eOsano, Jacek eWierzchos
Publikováno v:
Frontiers in Microbiology, Vol 6 (2015)
The Atacama Desert of northern Chile is one of the driest regions on Earth, with areas that exclude plants and where soils have extremely low microbial biomass. However, in the driest parts of the desert there are microorganisms that colonize the int
Externí odkaz:
https://doaj.org/article/deba87eb31354333ade552018d352bb5
Autor:
Jacek eWierzchos, Jocelyne eDiRuggiero, Petr eVítek, Octavio eArtieda, Virginia eSouza-Egipsy, Pavel eSkaloud, Michael eTisza, Alfonso F Davila, Carlos eVílchez, Inés eGarbayo, Carmen eAscaso
Publikováno v:
Frontiers in Microbiology, Vol 6 (2015)
The Atacama Desert, northern Chile, is one of the driest deserts on Earth and, as such, a natural laboratory to explore the limits of life and the strategies evolved by microorganisms to adapt to extreme environments. Here we report the exceptional a
Externí odkaz:
https://doaj.org/article/bcec2eac2bd64a01a792d93863d2ced4
Autor:
Alfonso F. Davila, Juan F. Salazar, Guillermo Nery, Jorge I. Zuluaga, Nicole J. Torres-Santiago, Abel Méndez, E. Nathan, Edgard G. Rivera-Valentín, Frances Rivera-Hernandez, Marta Filipa Simões, Ramses M. Ramirez, Noam R. Izenberg, Grizelle González, Corine Brown, Justin Filiberto, Jesús Martínez-Frías, Howard Chen, Marcos Jusino-Maldonado, André Antunes, Dirk Schulze-Makuch, Ludmila Carone, Jacob Haqq-Misra, Tana E. Wood, Kevin N. Ortiz Ceballos, Madhu Kashyap Jagadeesh, René Heller, Dimitra Atri, Paul K. Byrne, Christopher P. McKay, Priscilla Nowajewski-Barra, Humberto Itic Carvajal Chitty, David C. Catling, Kennda Lynch, Michael Malaska
Publikováno v:
Astrobiology
Habitability has been generally defined as the capability of an environment to support life. Ecologists have been using Habitat Suitability Models (HSMs) for more than four decades to study the habitability of Earth from local to global scales. Astro
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::af39f98137ef8b893e783d22c84fc3b9
http://arxiv.org/abs/2108.05417
http://arxiv.org/abs/2108.05417
Autor:
Lyle G. Whyte, Charles W. Greer, Jacqueline Goordial, Kelly Chan-Yam, Alfonso F. Davila, Christopher P. McKay
Publikováno v:
Astrobiology. 19:757-770
Water tracks in the Antarctic Dry Valleys are dark linear features of increased soil moisture that flow downslope over the spring and summer, providing a source of moisture in a cold-arid desert. They are typically sourced from melting snow, ground i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::564aa9dd2184df562076f8e0dc3947ec
https://doi.org/10.1089/ast.2018.1884
https://doi.org/10.1089/ast.2018.1884