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17. Distribution of primary and secondary features in the Pahrump Hills outcrop (Gale crater, Mars) as seen in a Mars Descent Imager (MARDI) “sidewalk” mosaic

Author

Minitti, Michelle E., Malin, Michael C., Van Beek, Jason K., Caplinger, Michael, Maki, Justin N., Ravine, Michael, Calef, Fred J., III, Edgar, Lauren A., Harker, David, Herkenhoff, Kenneth E., Kah, Linda C., Kennedy, Megan R., Krezoski, Gillian M., Kronyak, Rachel E., Lipkaman, Leslie, Nixon, Brian, Rowland, Scott K., Schieber, Juergen, Schroeder, Jeffrey F., Stack, Kathryn M., Williams, Rebecca M.E., and Yingst, R. Aileen

Published
2019
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23. Performance of a Phase Change Material Battery in a Transparent Building

Author

van den Engel, P.J.W. (author), Malin, Michael (author), Venkatesh, Nikhilesh Kodur (author), de Araujo Passos, L.A. (author), van den Engel, P.J.W. (author), Malin, Michael (author), Venkatesh, Nikhilesh Kodur (author), and de Araujo Passos, L.A. (author)

Abstract

This research evaluates the performance of a Phase Change Material (PCM) battery integrated into the climate system of a new transparent meeting center. The main research questions are: a. “Can the performance of the battery be calculated?” and b. “Can the battery reduce the heating and cooling energy demand in a significant way?” The first question is answered in this document. In order to be able to answer the second question, especially the way the heat loading in winter should be improved, then more research is necessary. In addition to the thermal battery, which consists of Phase Change Material plates, the climate system has a cross-flow heat exchanger and a heat pump. The battery should play a central role in closing the thermal balance of the lightweight building, which can be loaded with hot return or cold outdoor air. The temperature of the battery plates is monitored by multi-sensors and simulated by the use of PHOENICS (Computational Fluid Dynamics) and MATLAB. This paper reports reasonable agreement between the numerical predictions and the measurements, with a maximum variance of 10%. The current coefficient of performance for heating and cooling is already high, more than 27. There is scope for increasing this much further by making use of the very low-pressure difference of the battery (below 25 Pascal), low pressure fans and the ventilation system as a whole., Building Services, Team Bart De Schutter

Published
2023
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26. Shaler: in situ analysis of a fluvial sedimentary deposit on Mars

Author

Edgar, Lauren A., Gupta, Sanjeev, Rubin, David M., Lewis, Kevin W., Kocurek, Gary A., Anderson, Ryan B., Bell, James F., III, Dromart, Gilles, Edgett, Kenneth S., Grotzinger, John P., Hardgrove, Craig, Kah, Linda C., Leveille, Richard, Malin, Michael C., Mangold, Nicolas, Milliken, Ralph E., Minitti, Michelle, Palucis, Marisa, Rice, Melissa, Rowland, Scott K., Schieber, Juergen, Stack, Kathryn M., Sumner, Dawn Y., Wiens, Roger C., Williams, Rebecca M. E., and Williams, Amy J.

Published
2018
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27. Desktop Exploration of Remote Terrain (DERT)

Author

Keely, Leslie, Edwards, Laurence, and Malin, Michael

Subjects
Lunar And Planetary Science And Exploration, Computer Programming And Software, Instrumentation And Photography
Abstract

Software tool that utilizes a virtual world to visualize and navigate NASA digital elevation models.

Published
2017

28. Active Ground Patterns Near Mars' Equator in the Glen Torridon Region of Gale Crater

Author

Agencia Estatal de Investigación (España), Ministerio de Ciencia e Innovación (España), European Commission, Hallet, Bernat, Sletten, Ronald S., Malin, Michael, Mangold, Nicolas, Sullivan, Robert J., Fairén, Alberto G., Martínez, Germán, Baker, Mariah, Schieber, J., Martín Torres, Javier, Zorzano, María Paz, Agencia Estatal de Investigación (España), Ministerio de Ciencia e Innovación (España), European Commission, Hallet, Bernat, Sletten, Ronald S., Malin, Michael, Mangold, Nicolas, Sullivan, Robert J., Fairén, Alberto G., Martínez, Germán, Baker, Mariah, Schieber, J., Martín Torres, Javier, and Zorzano, María Paz

Abstract

On Mars, near the equator, much of the terrain in Gale Crater consists of bedrock outcrops separated by relatively smooth, uniform regolith surfaces. In scattered sites, however, distinct patterns—in the form and texture of the ground surface—contrast sharply with the typical terrain and with eolian bedforms. This paper focuses on these diverse, intriguing ground patterns. They include ∼1 to >10 m-long linear disruptions of uniform regolith surfaces, alignments, and other arrangements of similar-sized rock fragments and shallow, ∼0.1 m-wide sandy troughs 1–10 m in length. Similar features were recognized early in the Mars Science Laboratory (MSL) mission, but they received only limited attention until Curiosity, the MSL rover, encountered striking examples in the Glen Torridon region. Herein, the ground patterns are illustrated with rover images. Potential mechanisms are briefly discussed in the context of the bedrock composition and atmospheric conditions documented by Curiosity. The evidence suggests that the patterns are active forms of spontaneous granular organization. It leads to the hypothesis that the patterns arise and develop from miniscule, inferred cyclic expansion and contraction of the bedrock and regolith, likely driven by oscillating transfers of energy and moisture between the atmosphere and the terrain. The hypothesis has significant implications for studies of contemporary processes on Mars on both sides of the atmosphere-lithosphere interface. The ground patterns, as well as ripples and dunes formed by the wind, constitute remarkable extra-terrestrial examples of granular self-organization, complex phenomena well known in diverse systems on Earth.

Published
2022

29. Performance of a Phase Change Material Battery in a Transparent Building.

Author

den Engel, Peter van, Malin, Michael, Venkatesh, Nikhilesh Kodur, and de Araujo Passos, Luigi Antonio

Subjects
PHASE change materials, HEAT exchangers, THERMAL conductivity, COMPUTATIONAL fluid dynamics, TEMPERATURE
Abstract

This research evaluates the performance of a Phase Change Material (PCM) battery integrated into the climate system of a new transparent meeting center. The main research questions are: a. "Can the performance of the battery be calculated?" and b. "Can the battery reduce the heating and cooling energy demand in a significant way?" The first question is answered in this document. In order to be able to answer the second question, especially the way the heat loading in winter should be improved, then more research is necessary. In addition to the thermal battery, which consists of Phase Change Material plates, the climate system has a cross-flow heat exchanger and a heat pump. The battery should play a central role in closing the thermal balance of the lightweight building, which can be loaded with hot return or cold outdoor air. The temperature of the battery plates is monitored by multi-sensors and simulated by the use of PHOENICS (Computational Fluid Dynamics) and MATLAB. This paper reports reasonable agreement between the numerical predictions and the measurements, with a maximum variance of 10%. The current coefficient of performance for heating and cooling is already high, more than 27. There is scope for increasing this much further by making use of the very low-pressure difference of the battery (below 25 Pascal), low pressure fans and the ventilation system as a whole. [ABSTRACT FROM AUTHOR]

Published
2023
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34. Shaler: insitu analysis of a fluvial sedimentary deposit on Mars

Author

Milliken, Ralph E., Minitti, Michelle, Palucis, Marisa, Rice, Melissa, Rowland, Scott K., Schieber, Juergen, Stack, Kathryn M., Sumner, Dawn Y., Wiens, Roger C., Williams, Rebecca M. E., Williams, Amy J., Edgar, Lauren A., Gupta, Sanjeev, Rubin, David M., Lewis, Kevin W., Kocurek, Gary A., Anderson, Ryan B., Bell, James F., Dromart, Gilles, Edgett, Kenneth S., Grotzinger, John P., Hardgrove, Craig, Kah, Linda C., Leveille, Richard, Malin, Michael C., Mangold, Nicolas, Laboratoire de Géologie de Lyon - Terre, Planètes, Environnement [Lyon] (LGL-TPE), Centre National de la Recherche Scientifique (CNRS)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-École normale supérieure - Lyon (ENS Lyon), Laboratoire de Géologie de Lyon - Terre, Planètes, Environnement (LGL-TPE), École normale supérieure de Lyon (ENS de Lyon)-Université Claude Bernard Lyon 1 (UCBL), and Université de Lyon-Université de Lyon-Institut national des sciences de l'Univers (INSU - CNRS)-Université Jean Monnet - Saint-Étienne (UJM)-Centre National de la Recherche Scientifique (CNRS)

Subjects
[SDU]Sciences of the Universe [physics], Mars, sedimentology, stratigraphy, Gale crater, Fluvial
Abstract

International audience; This paper characterizes the detailed sedimentology of a fluvial sandbody on Mars for the first time and interprets its depositional processes and palaeoenvironmental setting. Despite numerous orbital observations of fluvial landforms on the surface of Mars, ground-based characterization of the sedimentology of such fluvial deposits has not previously been possible. Results from the NASA Mars Science Laboratory Curiosity rover provide an opportunity to reconstruct at fine scale the sedimentary architecture and palaeomorphology of a fluvial environment on Mars. This work describes the grain size, texture and sedimentary facies of the Shaler outcrop, reconstructs the bedding architecture, and analyses cross-stratification to determine palaeocurrents. On the basis of bedset geometry and inclination, grain-size distribution and bedform migration direction, this study concludes that the Shaler outcrop probably records the accretion of a fluvial barform. The majority of the outcrop consists of large-scale trough cross-bedding of coarse sand and granules. Palaeocurrent analyses and bedform reconstruction indicate that the beds were deposited by bedforms that migrated towards the north-east, across the surface of a bar that migrated south-east. Stacked cosets of dune cross-bedding suggest aggradation of multiple bedforms, which provides evidence for short periods of sustained flow during Shaler deposition. However, local evidence for aeolian reworking and the presence of potential desiccation cracks within the outcrop suggest that fluvial deposition may have been intermittent. The uppermost strata at Shaler are distinct in terms of texture and chemistry and are inferred to record deposition from a different sediment dispersal system with a contrasting provenance. The outcrop as a whole is a testament to the availability of liquid water on the surface of Mars in its early history.

Published
2018
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35. Oxidation of manganese in an ancient aquifer, Kimberley formation, Gale crater, Mars: Manganese Fracture Fills in Gale Crater

Author

Lanza, Nina L., Wiens, Roger C., Arvidson, Raymond E., Clark, Benton C., Fischer, Woodward W., Gellert, Ralf, Grotzinger, John P., Hurowitz, Joel A., McLennan, Scott M., Morris, Richard V., Rice, Melissa S., Bell, James F., Berger, Jeffrey A., Blaney, Diana L., Bridges, Nathan T., Calef, Fred, Campbell, John L., Clegg, Samuel M., Cousin, Agnes, Edgett, Kenneth S., Fabre, Cécile, Fisk, Martin R., Forni, Olivier, Frydenvang, Jens, Hardy, Keian R., Hardgrove, Craig, Johnson, Jeffrey R., Lasue, Jeremie, Le Mouélic, Stéphane, Malin, Michael C., Mangold, Nicolas, Martìn-Torres, Javier, Maurice, Sylvestre, McBride, Marie J., Ming, Douglas W., Newsom, Horton E., Ollila, Ann M., Sautter, Violaine, Schröder, Susanne, Thompson, Lucy M., Treiman, Allan H., VanBommel, Scott, Vaniman, David T., and Zorzano, Marìa-Paz

Abstract

The Curiosity rover observed high Mn abundances (>25 wt % MnO) in fracture‐filling materials that crosscut sandstones in the Kimberley region of Gale crater, Mars. The correlation between Mn and trace metal abundances plus the lack of correlation between Mn and elements such as S, Cl, and C, reveals that these deposits are Mn oxides rather than evaporites or other salts. On Earth, environments that concentrate Mn and deposit Mn minerals require water and highly oxidizing conditions; hence, these findings suggest that similar processes occurred on Mars. Based on the strong association between Mn‐oxide deposition and evolving atmospheric dioxygen levels on Earth, the presence of these Mn phases on Mars suggests that there was more abundant molecular oxygen within the atmosphere and some groundwaters of ancient Mars than in the present day.

Published
2016

36. Shaler: in situ analysis of a fluvial sedimentary deposit on Mars

Author

Edgar, Lauren A., primary, Gupta, Sanjeev, additional, Rubin, David M., additional, Lewis, Kevin W., additional, Kocurek, Gary A., additional, Anderson, Ryan B., additional, Bell, James F., additional, Dromart, Gilles, additional, Edgett, Kenneth S., additional, Grotzinger, John P., additional, Hardgrove, Craig, additional, Kah, Linda C., additional, Leveille, Richard, additional, Malin, Michael C., additional, Mangold, Nicolas, additional, Milliken, Ralph E., additional, Minitti, Michelle, additional, Palucis, Marisa, additional, Rice, Melissa, additional, Rowland, Scott K., additional, Schieber, Juergen, additional, Stack, Kathryn M., additional, Sumner, Dawn Y., additional, Wiens, Roger C., additional, Williams, Rebecca M. E., additional, and Williams, Amy J., additional

Published
2017
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37. Evidence for indigenous nitrogen in sedimentary and aeolian deposits from the Curiosity rover investigations at Gale crater, Mars

Author

Stern, Jennifer C., Sutter, Brad, Freissinet, Caroline, Navarro-González, Rafael, McKay, Christopher P., Archer, P. Douglas, Buch, Arnaud, Brunner, Anna E., Coll, Patrice, Eigenbrode, Jennifer L., Fairen, Alberto G., Franz, Heather B., Glavin, Daniel P., Kashyap, Srishti, McAdam, Amy C., Ming, Douglas W., Steele, Andrew, Szopa, Cyril, Wray, James J., Martín-Torres, F. Javier, Zorzano, Maria-Paz, Conrad, Pamela G., Mahaffy, Paul R., Kemppinen, Osku, Bridges, Nathan, Johnson, Jeffrey R., Minitti, Michelle, Cremers, David, Bell, James F., Edgar, Lauren, Farmer, Jack, Godber, Austin, Wadhwa, Meenakshi, Wellington, Danika, McEwan, Ian, Newman, Claire, Richardson, Mark, Charpentier, Antoine, Peret, Laurent, King, Penelope, Blank, Jennifer, Weigle, Gerald, Schmidt, Mariek, Li, Shuai, Milliken, Ralph, Robertson, Kevin, Sun, Vivian, Baker, Michael, Edwards, Christopher, Ehlmann, Bethany, Farley, Kenneth, Griffes, Jennifer, Grotzinger, John, Miller, Hayden, Newcombe, Megan, Pilorget, Cedric, Rice, Melissa, Siebach, Kirsten, Stack, Katie, Stolper, Edward, Brunet, Claude, Hipkin, Victoria, Léveillé, Richard, Marchand, Geneviève, Sánchez, Pablo Sobrón, Favot, Laurent, Cody, George, Flückiger, Lorenzo, Lees, David, Nefian, Ara, Martin, Mildred, Gailhanou, Marc, Westall, Frances, Israël, Guy, Agard, Christophe, Baroukh, Julien, Donny, Christophe, Gaboriaud, Alain, Guillemot, Philippe, Lafaille, Vivian, Lorigny, Eric, Paillet, Alexis, Pérez, René, Saccoccio, Muriel, Yana, Charles, Armiens-Aparicio, Carlos, Rodríguez, Javier Caride, Blázquez, Isaías Carrasco, Gómez, Felipe Gómez, Gómez-Elvira, Javier, Hettrich, Sebastian, Malvitte, Alain Lepinette, Jiménez, Mercedes Marín, Martínez-Frías, Jesús, Martín-Soler, Javier, Torres, F. Javier Martín, Jurado, Antonio Molina, Mora-Sotomayor, Luis, Caro, Guillermo Muñoz, López, Sara Navarro, Peinado-González, Verónica, Pla-García, Jorge, Manfredi, José Antonio Rodriguez, Romeral-Planelló, Julio José, Fuentes, Sara Alejandra Sans, Martinez, Eduardo Sebastian, Redondo, Josefina Torres, Urqui-O'Callaghan, Roser, Mier, María-Paz Zorzano, Chipera, Steve, Lacour, Jean-Luc, Mauchien, Patrick, Sirven, Jean-Baptiste, Manning, Heidi, Fairén, Alberto, Hayes, Alexander, Joseph, Jonathan, Squyres, Steven, Sullivan, Robert, Thomas, Peter, Dupont, Audrey, Lundberg, Angela, Melikechi, Noureddine, Mezzacappa, Alissa, DeMarines, Julia, Grinspoon, David, Reitz, Günther, Prats, Benito, Atlaskin, Evgeny, Genzer, Maria, Harri, Ari-Matti, Haukka, Harri, Kahanpää, Henrik, Kauhanen, Janne, Paton, Mark, Polkko, Jouni, Schmidt, Walter, Siili, Tero, Fabre, Cécile, Wray, James, Wilhelm, Mary Beth, Poitrasson, Franck, Patel, Kiran, Gorevan, Stephen, Indyk, Stephen, Paulsen, Gale, Gupta, Sanjeev, Bish, David, Schieber, Juergen, Gondet, Brigitte, Langevin, Yves, Geffroy, Claude, Baratoux, David, Berger, Gilles, Cros, Alain, d’Uston, Claude, Forni, Olivier, Gasnault, Olivier, Lasue, Jérémie, Lee, Qiu-Mei, Maurice, Sylvestre, Meslin, Pierre-Yves, Pallier, Etienne, Parot, Yann, Pinet, Patrick, Schröder, Susanne, Toplis, Mike, Lewin, Éric, Brunner, Will, Heydari, Ezat, Achilles, Cherie, Oehler, Dorothy, Cabane, Michel, Coscia, David, Dromart, Gilles, Robert, François, Sautter, Violaine, Le Mouélic, Stéphane, Mangold, Nicolas, Nachon, Marion, Stalport, Fabien, François, Pascaline, Raulin, François, Teinturier, Samuel, Cameron, James, Clegg, Sam, Cousin, Agnès, DeLapp, Dorothea, Dingler, Robert, Jackson, Ryan Steele, Johnstone, Stephen, Lanza, Nina, Little, Cynthia, Nelson, Tony, Wiens, Roger C., Williams, Richard B., Jones, Andrea, Kirkland, Laurel, Treiman, Allan, Baker, Burt, Cantor, Bruce, Caplinger, Michael, Davis, Scott, Duston, Brian, Edgett, Kenneth, Fay, Donald, Hardgrove, Craig, Harker, David, Herrera, Paul, Jensen, Elsa, Kennedy, Megan R., Krezoski, Gillian, Krysak, Daniel, Lipkaman, Leslie, Malin, Michael, McCartney, Elaina, McNair, Sean, Nixon, Brian, Posiolova, Liliya, Ravine, Michael, Salamon, Andrew, Saper, Lee, Stoiber, Kevin, Supulver, Kimberley, Van Beek, Jason, Van Beek, Tessa, Zimdar, Robert, French, Katherine Louise, Iagnemma, Karl, Miller, Kristen, Summons, Roger, Goesmann, Fred, Goetz, Walter, Hviid, Stubbe, Johnson, Micah, Lefavor, Matthew, Lyness, Eric, Breves, Elly, Dyar, M. Darby, Fassett, Caleb, Blake, David F., Bristow, Thomas, DesMarais, David, Edwards, Laurence, Haberle, Robert, Hoehler, Tori, Hollingsworth, Jeff, Kahre, Melinda, Keely, Leslie, McKay, Christopher, Bleacher, Lora, Brinckerhoff, William, Choi, David, Conrad, Pamela, Dworkin, Jason P., Eigenbrode, Jennifer, Floyd, Melissa, Garvin, James, Glavin, Daniel, Harpold, Daniel, Mahaffy, Paul, Martin, David K., McAdam, Amy, Pavlov, Alexander, Raaen, Eric, Smith, Michael D., Stern, Jennifer, Tan, Florence, Trainer, Melissa, Meyer, Michael, Posner, Arik, Voytek, Mary, Anderson, Robert C, Aubrey, Andrew, Beegle, Luther W., Behar, Alberto, Blaney, Diana, Brinza, David, Calef, Fred, Christensen, Lance, Crisp, Joy A., DeFlores, Lauren, Feldman, Jason, Feldman, Sabrina, Flesch, Gregory, Hurowitz, Joel, Jun, Insoo, Keymeulen, Didier, Maki, Justin, Mischna, Michael, Morookian, John Michael, Parker, Timothy, Pavri, Betina, Schoppers, Marcel, Sengstacken, Aaron, Simmonds, John J., Spanovich, Nicole, Juarez, Manuel de la Torre, Vasavada, Ashwin R., Webster, Christopher R., Yen, Albert, Archer, Paul Douglas, Cucinotta, Francis, Jones, John H., Ming, Douglas, Morris, Richard V., Niles, Paul, Rampe, Elizabeth, Nolan, Thomas, Fisk, Martin, Radziemski, Leon, Barraclough, Bruce, Bender, Steve, Berman, Daniel, Dobrea, Eldar Noe, Tokar, Robert, Vaniman, David, Williams, Rebecca M. E., Yingst, Aileen, Lewis, Kevin, Leshin, Laurie, Cleghorn, Timothy, Huntress, Wesley, Manhès, Gérard, Hudgins, Judy, Olson, Timothy, Stewart, Noel, Sarrazin, Philippe, Grant, John, Vicenzi, Edward, Wilson, Sharon A., Bullock, Mark, Ehresmann, Bent, Hamilton, Victoria, Hassler, Donald, Peterson, Joseph, Rafkin, Scot, Zeitlin, Cary, Fedosov, Fedor, Golovin, Dmitry, Karpushkina, Natalya, Kozyrev, Alexander, Litvak, Maxim, Malakhov, Alexey, Mitrofanov, Igor, Mokrousov, Maxim, Nikiforov, Sergey, Prokhorov, Vasily, Sanin, Anton, Tretyakov, Vladislav, Varenikov, Alexey, Vostrukhin, Andrey, Kuzmin, Ruslan, Clark, Benton, Wolff, Michael, McLennan, Scott, Botta, Oliver, Drake, Darrell, Bean, Keri, Lemmon, Mark, Schwenzer, Susanne P., Anderson, Ryan B., Herkenhoff, Kenneth, Lee, Ella Mae, Sucharski, Robert, Hernández, Miguel Ángel de Pablo, Ávalos, Juan José Blanco, Ramos, Miguel, Kim, Myung-Hee, Malespin, Charles, Plante, Ianik, Muller, Jan-Peter, Ewing, Ryan, Boynton, William, Downs, Robert, Fitzgibbon, Mike, Harshman, Karl, Morrison, Shaunna, Dietrich, William, Kortmann, Onno, Palucis, Marisa, Sumner, Dawn Y., Williams, Amy, Lugmair, Günter, Wilson, Michael A., Rubin, David, Jakosky, Bruce, Balic-Zunic, Tonci, Frydenvang, Jens, Jensen, Jaqueline Kløvgaard, Kinch, Kjartan, Koefoed, Asmus, Madsen, Morten Bo, Stipp, Susan Louise Svane, Boyd, Nick, Campbell, John L., Gellert, Ralf, Perrett, Glynis, Pradler, Irina, VanBommel, Scott, Jacob, Samantha, Owen, Tobias, Rowland, Scott, Savijärvi, Hannu, Boehm, Eckart, Böttcher, Stephan, Burmeister, Sönke, Guo, Jingnan, Köhler, Jan, García, César Martín, Mueller-Mellin, Reinhold, Wimmer-Schweingruber, Robert, Bridges, John C., McConnochie, Timothy, Benna, Mehdi, Franz, Heather, Bower, Hannah, Brunner, Anna, Blau, Hannah, Boucher, Thomas, Carmosino, Marco, Atreya, Sushil, Elliott, Harvey, Halleaux, Douglas, Rennó, Nilton, Wong, Michael, Pepin, Robert, Elliott, Beverley, Spray, John, Thompson, Lucy, Gordon, Suzanne, Newsom, Horton, Ollila, Ann, Williams, Joshua, Vasconcelos, Paulo, Bentz, Jennifer, Nealson, Kenneth, Popa, Radu, Kah, Linda C., Moersch, Jeffrey, Tate, Christopher, Day, Mackenzie, Kocurek, Gary, Hallet, Bernard, Sletten, Ronald, Francis, Raymond, McCullough, Emily, Cloutis, Ed, ten Kate, Inge Loes, Arvidson, Raymond, Fraeman, Abigail, Scholes, Daniel, Slavney, Susan, Stein, Thomas, Ward, Jennifer, Berger, Jeffrey, Moores, John E., NASA Goddard Space Flight Center (GSFC), NASA Johnson Space Center (JSC), NASA, Laboratorio de Química de Plasmas y Estudios Planetarios [Mexico], Instituto de Ciencias Nucleares [Mexico], Universidad Nacional Autónoma de México = National Autonomous University of Mexico (UNAM)-Universidad Nacional Autónoma de México = National Autonomous University of Mexico (UNAM), NASA Ames Research Center (ARC), Laboratoire de Génie des Procédés et Matériaux - EA 4038 (LGPM), CentraleSupélec, ASU School of Earth and Space Exploration (SESE), Arizona State University [Tempe] (ASU), Laboratoire Interuniversitaire des Systèmes Atmosphériques (LISA (UMR_7583)), Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12)-Centre National de la Recherche Scientifique (CNRS), Department of Astronomy [Ithaca], Cornell University [New York], Centro de Astrobiologia [Madrid] (CAB), Instituto Nacional de Técnica Aeroespacial (INTA)-Consejo Superior de Investigaciones Científicas [Madrid] (CSIC), Center for Research and Exploration in Space Science and Technology [GSFC] (CRESST), Centre de Recherche Public Henri Tudor [Technoport] (CRP Henri Tudor), Centre de Recherche Public Henri-Tudor [Luxembourg] (CRP Henri-Tudor), Department of Microbiology [Amherst], University of Massachusetts [Amherst] (UMass Amherst), University of Massachusetts System (UMASS)-University of Massachusetts System (UMASS), Astromaterials Research and Exploration Science (ARES), NASA-NASA, Geophysical Laboratory [Carnegie Institution], Carnegie Institution for Science, PLANETO - LATMOS, Laboratoire Atmosphères, Milieux, Observations Spatiales (LATMOS), Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS)-Université de Versailles Saint-Quentin-en-Yvelines (UVSQ)-Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut national des sciences de l'Univers (INSU - CNRS)-Centre National de la Recherche Scientifique (CNRS), School of Earth and Atmospheric Sciences [Atlanta], Georgia Institute of Technology [Atlanta], Instituto Andaluz de Ciencias de la Tierra (IACT), Consejo Superior de Investigaciones Científicas [Madrid] (CSIC)-Universidad de Granada (UGR), Department of Computer Science, Electrical and Space Engineering [Luleå], Luleå University of Technology (LUT), Universidad Nacional Autónoma de México (UNAM)-Universidad Nacional Autónoma de México (UNAM), Carnegie Institution for Science [Washington], Universidad de Granada (UGR)-Consejo Superior de Investigaciones Científicas [Madrid] (CSIC), Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12)-Institut national des sciences de l'Univers (INSU - CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Cornell University, Instituto Nacional de Técnica Aeroespacial (INTA)-Consejo Superior de Investigaciones Científicas [Spain] (CSIC), Department of Microbiology, IMPEC - LATMOS, Universidad de Granada (UGR)-Consejo Superior de Investigaciones Científicas [Spain] (CSIC), and Consejo Superior de Investigaciones Científicas [Madrid] (CSIC)-Universidad de Granada = University of Granada (UGR)

Subjects
Martian, Multidisciplinary, 010504 meteorology & atmospheric sciences, Water on Mars, nitrates, astrobiology, [SDU.ASTR.EP]Sciences of the Universe [physics]/Astrophysics [astro-ph]/Earth and Planetary Astrophysics [astro-ph.EP], Mars, Mars Exploration Program, 01 natural sciences, nitrogen, Astrobiology, Curiosity, 13. Climate action, Rocknest, 0103 physical sciences, Sample Analysis at Mars, Physical Sciences, Aeolian processes, Composition of Mars, 010303 astronomy & astrophysics, Nitrogen cycle, Geology, 0105 earth and related environmental sciences
Abstract

International audience; The Sample Analysis at Mars (SAM) investigation on the Mars Science Laboratory (MSL) Curiosity rover has detected oxidized nitrogen-bearing compounds during pyrolysis of scooped aeolian sediments and drilled sedimentary deposits within Gale crater. Total N concentrations ranged from 20 to 250 nmol N per sample. After subtraction of known N sources in SAM, our results support the equivalent of 110–300 ppm of nitrate in the Rocknest (RN) aeolian samples, and 70–260 and 330–1,100 ppm nitrate in John Klein (JK) and Cumberland (CB) mudstone deposits, respectively. Discovery of indigenous martian nitrogen in Mars surface materials has important implications for habitability and, specifically, for the potential evolution of a nitrogen cycle at some point in martian history. The detection of nitrate in both wind-drifted fines (RN) and in mudstone (JK, CB) is likely a result of N2 fixation to nitrate generated by thermal shock from impact or volcanic plume lightning on ancient Mars. Fixed nitrogen could have facilitated the development of a primitive nitrogen cycle on the surface of ancient Mars, potentially providing a biochemically accessible source of nitrogen.

Published
2015
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38. Oxidation of manganese in an ancient aquifer, Kimberley formation, Gale crater, Mars:Manganese Fracture Fills in Gale Crater

Author

Lanza, Nina L., Wiens, Roger C., Arvidson, Raymond E., Clark, Benton C., Fischer, Woodward W., Gellert, Ralf, Grotzinger, John P., Hurowitz, Joel A., Mclennan, Scott M., Morris, Richard V., Rice, Melissa S., Bell, James F., Berger, Jeffrey A., Blaney, Diana L., Bridges, Nathan T., Calef, Fred, Campbell, John L., Clegg, Samuel M., Cousin, Agnes, Edgett, Kenneth S., Fabre, Cécile, Fisk, Martin R., Forni, Olivier, Frydenvang, Jens, Hardy, Keian R., Hardgrove, Craig, Johnson, Jeffrey R., Lasue, Jeremie, Le Mouélic, Stéphane, Malin, Michael C., Mangold, Nicolas, Martìn-torres, Javier, Maurice, Sylvestre, Mcbride, Marie J., Ming, Douglas W., Newsom, Horton E., Ollila, Ann M., Sautter, Violaine, Schröder, Susanne, Thompson, Lucy M., Treiman, Allan H., Vanbommel, Scott, Vaniman, David T., Zorzano, Marìa-paz, Lanza, Nina L., Wiens, Roger C., Arvidson, Raymond E., Clark, Benton C., Fischer, Woodward W., Gellert, Ralf, Grotzinger, John P., Hurowitz, Joel A., Mclennan, Scott M., Morris, Richard V., Rice, Melissa S., Bell, James F., Berger, Jeffrey A., Blaney, Diana L., Bridges, Nathan T., Calef, Fred, Campbell, John L., Clegg, Samuel M., Cousin, Agnes, Edgett, Kenneth S., Fabre, Cécile, Fisk, Martin R., Forni, Olivier, Frydenvang, Jens, Hardy, Keian R., Hardgrove, Craig, Johnson, Jeffrey R., Lasue, Jeremie, Le Mouélic, Stéphane, Malin, Michael C., Mangold, Nicolas, Martìn-torres, Javier, Maurice, Sylvestre, Mcbride, Marie J., Ming, Douglas W., Newsom, Horton E., Ollila, Ann M., Sautter, Violaine, Schröder, Susanne, Thompson, Lucy M., Treiman, Allan H., Vanbommel, Scott, Vaniman, David T., and Zorzano, Marìa-paz

Published
2016

39. Oxidation of manganese in an ancient aquifer, Kimberley formation, Gale crater, Mars

Author

Lanza, Nina L., primary, Wiens, Roger C., additional, Arvidson, Raymond E., additional, Clark, Benton C., additional, Fischer, Woodward W., additional, Gellert, Ralf, additional, Grotzinger, John P., additional, Hurowitz, Joel A., additional, McLennan, Scott M., additional, Morris, Richard V., additional, Rice, Melissa S., additional, Bell, James F., additional, Berger, Jeffrey A., additional, Blaney, Diana L., additional, Bridges, Nathan T., additional, Calef, Fred, additional, Campbell, John L., additional, Clegg, Samuel M., additional, Cousin, Agnes, additional, Edgett, Kenneth S., additional, Fabre, Cécile, additional, Fisk, Martin R., additional, Forni, Olivier, additional, Frydenvang, Jens, additional, Hardy, Keian R., additional, Hardgrove, Craig, additional, Johnson, Jeffrey R., additional, Lasue, Jeremie, additional, Le Mouélic, Stéphane, additional, Malin, Michael C., additional, Mangold, Nicolas, additional, Martìn-Torres, Javier, additional, Maurice, Sylvestre, additional, McBride, Marie J., additional, Ming, Douglas W., additional, Newsom, Horton E., additional, Ollila, Ann M., additional, Sautter, Violaine, additional, Schröder, Susanne, additional, Thompson, Lucy M., additional, Treiman, Allan H., additional, VanBommel, Scott, additional, Vaniman, David T., additional, and Zorzano, Marìa-Paz, additional

Published
2016
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42. Automatic rover localization in orbital maps.

Author

Nefian, Ara V., Edwards, Laurence, Lees, David, Keely, Leslie, Parker, Timothy J., and Malin, Michael

Subjects
PLANETARY exploration, GLOBAL Positioning System, DIGITAL elevation models
Published
2017

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