Geronimo Villanueva
Argentine astronomer
Geronimo L. Villanueva (born April 9, 1978) is a planetary astronomer at NASA Goddard Space Flight Center. Some of his contributions include the identification of an ancient ocean on Mars, sensitive searches of primordial water in comets, and the search and possible discovery of organics on Mars. His work on high-resolution molecular spectroscopy of planetary and cometary atmospheres led the International Astronomical Union to name minor planet 9724 after Villanueva, while the American Astronomical Society awarded him the Urey Prize (young planetary scientist of the year) in 2015.
Early life
Villanueva is a Mendoza, Argentina native. He earned his undergraduate degree and master's 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 fellowship in 2005 to conduct planetary research at NASA Goddard Space Flight Center.
Career
Villanueva is a planetary scientist who specializes in spectroscopic studies of planets, comets and small icy bodies. He obtained the first mapping of water D/H on Mars, revealing an ancient ocean on Mars and unexpected strong isotopic anomalies across the planet. Villanueva also obtained the first astronomical measurement of water D/H of a periodic comet, conducted a deep search for organics in the Martian atmosphere and discovered multiple isotopic carbon dioxide bands on Mars at infrared wavelengths.
The public source identifies “Geronimo Villanueva” as argentine astronomer. This brief keeps that definition visible, then builds a research path around Geronimo, Villanueva and Argentine.
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The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Mar 4, 2026. The linked authority identifier is Q28740234. VIAF identifies the subject as 3992178467218235190002. The Library of Congress control number is no2026037947. 2 of 3 selected statements include explicit references; 1 carry qualifiers and 0 use preferred rank. The first chronological checks are 1978, 2015, 2001 and 2004.
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This entry incorporates text from “Geronimo Villanueva” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.