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{{Infobox scientist |
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| name = Geronimo Villanueva |
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| birth_date = {{birth date and age|1978|04|09}} |
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| birth_place = [[Mendoza, Argentina]] |
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| nationality = [[Argentina]], [[Italy]], [[USA]] |
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| fields = [[Planetary astronomy]] |
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| education = [[Freiburg University]], [[Max Planck Institute for Solar System Research]] |
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| known_for = [[Mars ocean hypothesis]], organics on the [[Atmosphere of Mars]] and molecular spectroscopy modelling. |
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| influences = |
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| website = {{URL|http://astrobiology.gsfc.nasa.gov/Villanueva/}} |
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| footnotes = |
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'''Geronimo L. Villanueva''' (born April 9, 1978) is a planetary [[astronomer]] at [[NASA Goddard Space Flight Center]]<ref name="cv">Curriculum Vitae, [http://astrobiology.gsfc.nasa.gov/Villanueva/ "Geronimo Villanueva / NASA-GSFC"]</ref>. His work on high-resolution molecular spectroscopy of planetary and cometary atmospheres led the [[International Astronomical Union]] to name minor planet 9724 after Villanueva<ref name="IAU">Minor Planet Circular 89079, [http://www.minorplanetcenter.net/db_search/show_object?object_id=9724 "(9724) Villanueva"]</ref>, while the [[American Astronomical Society]] awarded him the [[Urey Prize]] (young planetary scientist of the year) in 2015<ref name="Urey">American Astronomical Union, Division of Planetary Sciences, [https://dps.aas.org/prizes/2015 "2015 Prizes"]</ref>. His research ranges from instrument design and development of the highest resolution spectrometer for the airborne SOFIA ([[Stratospheric Observatory for Infrared Astronomy]])<ref name="SOFIA">Villanueva, Geronimo L., The High Resolution Spectrometer for SOFIA-GREAT: Instrumentation, Atmospheric Modeling and Observations; Ph.D. Thesis, Albert-Ludwigs-Universitaet zu Freiburg, Copernicus GmbH Verlag (2004) - [http://adsabs.harvard.edu/abs/2004PhDT.........6V "ADS:2004PhDT.........6V"]</ref>, to quantum mechanical molecular modeling, to observational astronomy and data analysis. Some of his contributions include the identification of an ancient ocean on Mars<ref name="Ocean1">Villanueva, G. L.; Mumma, M. J.; Novak, R. E.; Käufl, H. U.; Hartogh, P.; Encrenaz, T.; Tokunaga, A.; Khayat, A.; Smith, M. D.; Strong water isotopic anomalies in the martian atmosphere: Probing current and ancient reservoirs; Science, Volume 348, Issue 6231, pp. 218-221 (2015) - [http://adsabs.harvard.edu/abs/2015Sci...348..218V "ADS:2015Sci...348..218V"]</ref><ref name="Ocean2">NASA Press Release - [https://www.nasa.gov/press/2015/march/nasa-research-suggests-mars-once-had-more-water-than-earth-s-arctic-ocean "March/2015"]</ref>, sensitive searches of primordial water in comets<ref name="Comet1">Villanueva, G. L.; Mumma, M. J.; Bonev, B. P.; Di Santi, M. A.; Gibb, E. L.; Böhnhardt, H.; Lippi, M.; The Astrophysical Journal Letters, Volume 690, Issue 1, pp. L5-L9 (2009) - [http://adsabs.harvard.edu/abs/2009ApJ...690L...5V "ADS:2009ApJ...690L...5V"]</ref>, and the search and possible discovery of organics on Mars<ref name="Mars1">Villanueva, G. L.; Mumma, M. J.; Novak, R. E.; Radeva, Y. L.; Käufl, H. U.; Smette, A.; Tokunaga, A.; Khayat, A.; Encrenaz, T.; Hartogh, P.; |
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Icarus, Volume 223, Issue 1, p. 11-27 (2013) - [http://adsabs.harvard.edu/abs/2013Icar..223...11V "ADS:2013Icar..223...11V"]</ref> |
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<ref name="Mars2">Mumma, Michael J.; Villanueva, Geronimo L.; Novak, Robert E.; Hewagama, Tilak; Bonev, Boncho P.; DiSanti, Michael A.; Mandell, Avi M.; Smith, Michael D.; Science, Volume 323, Issue 5917, pp. 1041- (2009) - http://adsabs.harvard.edu/abs/2009Sci...323.1041M "ADS:2009Sci...323.1041M"]</ref> |
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<ref name="Mars3">NASA Press release - [https://www.nasa.gov/mission_pages/mars/news/marsmethane.html "January/2009"]</ref>. |
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==Early life== |
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Villanueva is a [[Mendoza, Argentina]] native, having lived in several provinces of [[Argentina]] (Mendoza, Córdoba, Santiago del Estero, Buenos Aires) and in [[Asunción, Paraguay]]. His heritage is Italian, Spanish and French. He earned his undergrad studies and Master degree at [[Universidad de Mendoza]]. He conducted his Ph.D. research in [[Germany]] at the [[Max Planck Institute for Solar System Research]] from 2001 to 2004, graduating in November 2004 at the [[Freiburg University]]. He was awarded a [[National Research Council (United States)]] fellowship in 2005 to conduct planetary research at [[NASA Goddard Space Flight Center]]. |
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==Career== |
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Villanueva is known in the scientific community for his planetary spectroscopy work and spectral databases / models applicable to planets, comets and small icy bodies. He led the first mapping of water D/H on Mars, revealing an ancient ocean on Mars and unexpected strong isototopic anomalies across the planet<ref name="Ocean1"/><ref name="Ocean2"/>; he led the first astronomical measurement of water D/H of a periodic comet<ref name="Comet1"/>; and he led the most comprehensive search for organics in the Martian atmosphere<ref name="Mars1"/>. He is the lead developer of non-LTE radiative transfer models and quantum molecular models at GSFC resulting in billions of spectral lines suitable for cometary, planetary and astrophysical sciences, including exoplanets, and discoverer of multiple isotopic carbon dioxide bands on Mars at infrared wavelengths<ref name="Models">NASA Goddard Non-LTE models, [http://astrobiology.gsfc.nasa.gov/Villanueva/spec.html "Molecular databases"]</ref>. During his Ph.D thesis, he was the designer and developer of the highest resolution spectrometer onboard SOFIA<ref name="SOFIA"/>, and developed a full non-linear dynamical General Circulation Model (GCM) for Mars<ref name="SOFIA"/>. |
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==Honors, awards and accolades== |
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In 2015 the [[American Astronomical Society]] awarded Villanueva with the Harold C. [[Urey Prize]] (Young planetary scientist of the year)<ref name="Urey"/>, while in 2014 the [[International Astronomical Union]] named minor planet 1981EW17 “(9724) Villanueva”, in honor to Dr. Villanueva’s research contributions in the area of high-resolution molecular spectroscopy of planetary and cometary atmospheres<ref name="IAU"/>. He has received several awards at [[NASA]], his research has highlighted several times (e.g., article of the day ([[Astrophysics Data System]], Oct/12/2011), lead author and co-author of three [[Astronomy Picture of the Day]] (Dec/22/2014, Jan/19/2009, Feb/21/2009), and lead author of one of the most popular planetary articles of 2013<ref name="Elsevier"> |
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Elsevier Ranking - [http://csemails.elsevier.com/201309/top25/PlanetarySciences.htm "Most downloaded articles in 2013"]</ref>. |
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==Social activism== |
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He is an advocate for Space Exploration and Astronomy to under-privileged communities, frequently participating public outreach activities, and has served as a science communicator for the U.S. State Department and [[Shakira]]'s [[Barefoot Foundation]] to promote science in developing regions. |
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==References== |
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