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2009 Annual Science Report

Carnegie Institution of Washington Reporting  |  JUL 2008 – AUG 2009

Executive Summary

The NASA Astrobiology Institute team led by the Carnegie Institution of Washington is dedicated to the study of the extrasolar planets, solar system formation, organic rich primitive planetary bodies, deep sequestration of CHON volatiles in terrestrial planets, prebiotic molecular synthesis through geocatalysis, and the connection between planetary evolution the emergence, and sustenance of biology – processes central to the missions of the NAI. Our program attempts to integrate the sweeping narrative of life’s history through a combination of bottom-up and top-down studies. On the one hand, we study processes related to chemical and physical evolution in plausible prebiotic environments – circumstellar disks, extrasolar planetary systems and the primitive Earth. Complementary to these bottom-up investigations of life’s origin, we will continue our field and experimental top-down efforts to document the nature of microbial life at extreme conditions, as well as the characterization of organic matter in ... Continue reading.

Field Sites
26 Institutions
7 Project Reports
168 Publications
5 Field Sites
Roadmap
Objectives

Project Reports

  • Project 6: Application of Laboratory Experimentation to Flight Instrument Testing

    The Arctic Mars Analogue Svalbard Expedition (AMASE) tests instruments, procedures and protocols to answer critical science questions on Mars. NAI sponsored researchers undertake science tasks alongside scientists developing instruments for Mars missions (MSL and ExoMars).

    ROADMAP OBJECTIVES: 7.2
  • Project 4: Geochemical Steps Leading to the Origins of Life

    The project titled “Geochemical Steps Leading to the Origins of Life” sets a out a research object focusing on exploring the natural intersection of abiological organic chemistry and the mineral world. Assuming that life emerged on Earth as a consequence of natural, geochemical, processes. We ask what did the organic landscape look like before life, how did organic-mineral surface interactions affect this landscape, and can we identify any connections between this abiotic organic Earth and the subsequent emergence of life.

    ROADMAP OBJECTIVES: 3.1 3.2
  • Project 3: The Origin, Evolution, and Volatile Inventories of Terrestrial Planets

    The origin and Sustenance of life on Earth strongly depends on the fact that volatile elements H-C-O-N where retained in sufficient abundance to sustain an ocean-atmosphere. The research in this project involves studies of how terrestrial planets form, why differences exist among the terrestrial planets, how volatiles behave deep within the Earth, and how volatiles and life influence the large and small scale composition of the near surface Earth.

    ROADMAP OBJECTIVES: 1.1 3.1 4.1
  • Project 2: Origin and Evolution of Organic Matter in the Solar System

    Through telescopic observations of remote objects, we are learning about the distribution of organic matter in the outer Solar System and how it is thermally processed, as well as about dynamic processes that .could have delivered such organic-rich material to be incorporated into terrestrial planets. Extraterrestrial samples like primitive meteorites and interplanetary dust particles contain significant amounts of carbonaceous material and were likely a source of organic matter to the early Earth. By using a wide variety of advanced techniques to study organic matter in meteorites and other extraterrestrial samples, we are trying to learn how and where it formed, and how it has been modified during 4.5 billion years of solar system evolution. We also perform laboratory experiments to simulate formation of complex organic matter and how it is modified on planetary surfaces. Finally we are studying biological contamination of meteorites once they have landed on Earth to learn how this can affect studies of the indigenous non-biological organic matter.

    ROADMAP OBJECTIVES: 2.2 3.1 7.1
  • Project 1: Looking Outward: Studies of the Physical and Chemical Evolution of Planetary Systems

    We study the origin of life through a wide variety of approaches, beginning here with theoretical investigations of protoplanetary disks, the environments in which simple organic molecules first appeared and were concentrated in planetary bodies. We also study the survival of this organic matter during subsequent evolution through observations of circumstellar disks around both young and mature stars, extrasolar planetary systems, and small bodies in our Solar System, and through detailed models of planetary system formation.

    ROADMAP OBJECTIVES: 1.1 1.2 2.2 3.1
  • NAI ORAU Post Doc Report: CIW-NAI
    ROADMAP OBJECTIVES: 3.1 3.2 7.1
  • Project 5: Geological-Biological Interactions

    This project focuses on a wide range of questions spanning understanding microbial diversity in extreme environments to the identification of biosignatures in modern and ancient rocks. In terms of environments, research in this project focuses on research at deep sea hydrothermal vents, desert sulfate deposits, arctic hydrothermal fields, as well as Paleoproterozoic terrains of Australia, Canada, and India. By learning more how life adapts to extreme environments on Earth, we hope to gain a better understanding of the limits of life on other worlds. By understanding better the signature of life recorded in ancient rocks, we hope to better refine our search stategies for the presence of life on other worlds.

    ROADMAP OBJECTIVES: 4.1 5.1 6.1 6.2 7.1

Education & Public Outreach

Publications

  • (no authors found) (2008). Brave new worlds. Nature, 455(7210), 137–138. doi:10.1038/455137b

  • Alexander, C. M. O. D., Newsome, S. D., Fogel, M. L., Nittler, L. R., Busemann, H., & Cody, G. D. (2010). Deuterium enrichments in chondritic macromolecular material—Implications for the origin and evolution of organics, water and asteroids. Geochimica et Cosmochimica Acta, 74(15), 4417–4437. doi:10.1016/j.gca.2010.05.005

  • Anderson, B. J., AcuñA, M. H., Korth, H., Slavin, J. A., Uno, H., Johnson, C. L., … McNutt, R. L. (2009). The Magnetic Field of Mercury. Space Sci Rev, 152(1-4), 307–339. doi:10.1007/s11214-009-9544-3

  • Arriagada, P., Butler, R. P., Minniti, D., López-Morales, M., Shectman, S. A., Adams, F. C., … Chambers, J. E. (2010). FIVE LONG-PERIOD EXTRASOLAR PLANETS IN ECCENTRIC ORBITS FROM THE MAGELLAN PLANET SEARCH PROGRAM. The Astrophysical Journal, 711(2), 1229–1235. doi:10.1088/0004-637x/711/2/1229

  • Bailey, J., Butler, R. P., Tinney, C. G., Jones, H. R. A., O’Toole, S., Carter, B. D., & Marcy, G. W. (2008). A JUPITER-LIKE PLANET ORBITING THE NEARBY M DWARF GJ 832. The Astrophysical Journal, 690(1), 743–747. doi:10.1088/0004-637x/690/1/743

  • Baker, D. N., Odstrcil, D., Anderson, B. J., Arge, C. N., Benna, M., Gloeckler, G., … Zurbuchen, T. H. (2009). Space environment of Mercury at the time of the first MESSENGER flyby: Solar wind and interplanetary magnetic field modeling of upstream conditions. Journal of Geophysical Research: Space Physics, 114(A10), n/a–n/a. doi:10.1029/2009ja014287

  • Bakos, G. Á., Pál, A., Torres, G., Sipőcz, B., Latham, D. W., Noyes, R. W., … Sári, P. (2009). HAT-P-10b: A LIGHT AND MODERATELY HOT JUPITER TRANSITING A K DWARF. The Astrophysical Journal, 696(2), 1950–1955. doi:10.1088/0004-637x/696/2/1950

  • Bakos, G. Á., Torres, G., Pál, A., Hartman, J., Kovács, G., Noyes, R. W., … Sári, P. (2010). HAT-P-11b: A SUPER-NEPTUNE PLANET TRANSITING A BRIGHT K STAR IN THE KEPLER FIELD. The Astrophysical Journal, 710(2), 1724–1745. doi:10.1088/0004-637x/710/2/1724

  • Blewett, D. T., Robinson, M. S., Denevi, B. W., Gillis-Davis, J. J., Head, J. W., Solomon, S. C., … McClintock, W. E. (2009). Multispectral images of Mercury from the first MESSENGER flyby: Analysis of global and regional color trends. Earth and Planetary Science Letters, 285(3-4), 272–282. doi:10.1016/j.epsl.2009.02.021

  • Boardsen, S. A., Slavin, J. A., Anderson, B. J., Korth, H., & Solomon, S. C. (2009). Comparison of ultra-low-frequency waves at Mercury under northward and southward IMF. Geophysical Research Letters, 36(18), None. doi:10.1029/2009gl039525

  • Bond, J. C., Lauretta, D. S., Tinney, C. G., Butler, R. P., Marcy, G. W., Jones, H. R. A., … Bailey, J. (2008). Beyond the Iron Peak: r ‐ and s ‐Process Elemental Abundances in Stars with Planets. The Astrophysical Journal, 682(2), 1234–1247. doi:10.1086/589236

  • Boss, A. P. (2009). ANALYTICAL SOLUTIONS FOR RADIATIVE TRANSFER: IMPLICATIONS FOR GIANT PLANET FORMATION BY DISK INSTABILITY. The Astrophysical Journal, 694(1), 107–114. doi:10.1088/0004-637x/694/1/107

  • Boss, A. P., Weinberger, A. J., Anglada-Escudé, G., Thompson, I. B., Burley, G., Birk, C., … Patterson, R. J. (2009). The Carnegie Astrometric Planet Search Program. Publications of the Astronomical Society of the Pacific, 121(885), 1218–1231. doi:10.1086/647960

  • Brazelton, W. J., & Baross, J. A. (2009). Abundant transposases encoded by the metagenome of a hydrothermal chimney biofilm. ISME J, 3(12), 1420–1424. doi:10.1038/ismej.2009.79

  • Busemann, H., Nguyen, A. N., Cody, G. D., Hoppe, P., Kilcoyne, A. L. D., Stroud, R. M., … Nittler, L. R. (2009). Ultra-primitive interplanetary dust particles from the comet 26P/Grigg–Skjellerup dust stream collection. Earth and Planetary Science Letters, 288(1-2), 44–57. doi:10.1016/j.epsl.2009.09.007

  • Butler, R. P., Howard, A. W., Vogt, S. S., & Wright, J. T. (2009). NONDETECTION OF THE NEPTUNE-MASS PLANET REPORTED AROUND GJ 176. The Astrophysical Journal, 691(2), 1738–1743. doi:10.1088/0004-637x/691/2/1738

  • Cleaves, H. J., Jonsson, C. M., Jonsson, C. L., Sverjensky, D. A., & Hazen, R. M. (2010). Adsorption of Nucleic Acid Components on Rutile (TiO 2 ) Surfaces. Astrobiology, 10(3), 311–323. doi:10.1089/ast.2009.0397

  • De Gregorio, B. T., Stroud, R. M., Nittler, L. R., Alexander, C. M. O. D., Kilcoyne, A. L. D., & Zega, T. J. (2010). Isotopic anomalies in organic nanoglobules from Comet 81P/Wild 2: Comparison to Murchison nanoglobules and isotopic anomalies induced in terrestrial organics by electron irradiation. Geochimica et Cosmochimica Acta, 74(15), 4454–4470. doi:10.1016/j.gca.2010.05.010

  • Debes, J. H., Weinberger, A. J., & Kuchner, M. J. (2009). INTERSTELLAR MEDIUM SCULPTING OF THE HD 32297 DEBRIS DISK. The Astrophysical Journal, 702(1), 318–326. doi:10.1088/0004-637x/702/1/318

  • Debes, J. H., Weinberger, A. J., & Song, I. (2008). Color Gradients Detected in the HD 15115 Circumstellar Disk. The Astrophysical Journal, 684(1), L41–L44. doi:10.1086/592018

  • Des Marais, D. J., Allamandola, L. J., Benner, S. A., Boss, A. P., Deamer, D., Falkowski, P. G., … Yorke, H. W. (2003). The NASA Astrobiology Roadmap. Astrobiology, 3(2), 219–235. doi:10.1089/153110703769016299

  • Eigenbrode, J., Benning, L. G., Maule, J., Wainwright, N., Steele, A., & Amundsen, H. E. F. (2009). A Field-Based Cleaning Protocol for Sampling Devices Used in Life-Detection Studies. Astrobiology, 9(5), 455–465. doi:10.1089/ast.2008.0275

  • Ernst, C. M., Murchie, S. L., Barnouin, O. S., Robinson, M. S., Denevi, B. W., Blewett, D. T., … Roberts, J. H. (2010). Exposure of spectrally distinct material by impact craters on Mercury: Implications for global stratigraphy. Icarus, 209(1), 210–223. doi:10.1016/j.icarus.2010.05.022

  • Fassett, C. I., Head, J. W., Blewett, D. T., Chapman, C. R., Dickson, J. L., Murchie, S. L., … Watters, T. R. (2009). Caloris impact basin: Exterior geomorphology, stratigraphy, morphometry, radial sculpture, and smooth plains deposits. Earth and Planetary Science Letters, 285(3-4), 297–308. doi:10.1016/j.epsl.2009.05.022

  • Freed, A. M., Solomon, S. C., Watters, T. R., Phillips, R. J., & Zuber, M. T. (2009). Could Pantheon Fossae be the result of the Apollodorus crater-forming impact within the Caloris basin, Mercury?. Earth and Planetary Science Letters, 285(3-4), 320–327. doi:10.1016/j.epsl.2009.02.038

  • Gillis-Davis, J. J., Blewett, D. T., Gaskell, R. W., Denevi, B. W., Robinson, M. S., Strom, R. G., … Sprague, A. L. (2009). Pit-floor craters on Mercury: Evidence of near-surface igneous activity. Earth and Planetary Science Letters, 285(3-4), 243–250. doi:10.1016/j.epsl.2009.05.023

  • Gómez-Pérez, N., & Wicht, J. (2010). Behavior of planetary dynamos under the influence of external magnetic fields: Application to Mercury and Ganymede. Icarus, 209(1), 53–62. doi:10.1016/j.icarus.2010.04.006

  • Gómez-Pérez, N., Heimpel, M., & Wicht, J. (2010). Effects of a radially varying electrical conductivity on 3D numerical dynamos. Physics of the Earth and Planetary Interiors, 181(1-2), 42–53. doi:10.1016/j.pepi.2010.03.006

  • Hartman, J. D., Bakos, G. Á., Torres, G., Kovács, G., Noyes, R. W., Pál, A., … Sári, P. (2009). HAT-P-12b: A LOW-DENSITY SUB-SATURN MASS PLANET TRANSITING A METAL-POOR K DWARF. The Astrophysical Journal, 706(1), 785–796. doi:10.1088/0004-637x/706/1/785

  • Hausrath, E. M., Treiman, A. H., Vicenzi, E., Bish, D. L., Blake, D., Sarrazin, P., … Brantley, S. L. (2008). Short- and Long-Term Olivine Weathering in Svalbard: Implications for Mars. Astrobiology, 8(6), 1079–1092. doi:10.1089/ast.2007.0195

  • Head, J. W., Murchie, S. L., Prockter, L. M., Solomon, S. C., Chapman, C. R., Strom, R. G., … Kerber, L. (2009). Volcanism on Mercury: Evidence from the first MESSENGER flyby for extrusive and explosive activity and the volcanic origin of plains. Earth and Planetary Science Letters, 285(3-4), 227–242. doi:10.1016/j.epsl.2009.03.007

  • Head, J. W., Murchie, S. L., Prockter, L. M., Solomon, S. C., Strom, R. G., Chapman, C. R., … Ostrach, L. R. (2009). Evidence for intrusive activity on Mercury from the first MESSENGER flyby. Earth and Planetary Science Letters, 285(3-4), 251–262. doi:10.1016/j.epsl.2009.03.008

  • Johnson, J. A., Winn, J. N., Narita, N., Enya, K., Williams, P. K. G., Marcy, G. W., … Hidas, M. (2008). Measurement of the Spin‐Orbit Angle of Exoplanet HAT‐P‐1b. The Astrophysical Journal, 686(1), 649–657. doi:10.1086/591078

  • Jonsson, C. M., Jonsson, C. L., Estrada, C., Sverjensky, D. A., Cleaves, H. J., & Hazen, R. M. (2010). Adsorption of l-aspartate to rutile (α-TiO2): Experimental and theoretical surface complexation studies. Geochimica et Cosmochimica Acta, 74(8), 2356–2367. doi:10.1016/j.gca.2010.01.003

  • Jonsson, C. M., Jonsson, C. L., Sverjensky, D. A., Cleaves, H. J., & Hazen, R. M. (2009). Attachment of l -Glutamate to Rutile (α-TiO 2 ): A Potentiometric, Adsorption, and Surface Complexation Study. Langmuir, 25(20), 12127–12135. doi:10.1021/la901635t

  • Kerber, L., Head, J. W., Solomon, S. C., Murchie, S. L., Blewett, D. T., & Wilson, L. (2009). Explosive volcanic eruptions on Mercury: Eruption conditions, magma volatile content, and implications for interior volatile abundances. Earth and Planetary Science Letters, 285(3-4), 263–271. doi:10.1016/j.epsl.2009.04.037

  • Latham, D. W., Bakos, G. Á., Torres, G., Stefanik, R. P., Noyes, R. W., Kovács, G., … Sári, P. (2009). DISCOVERY OF A TRANSITING PLANET AND EIGHT ECLIPSING BINARIES IN HATNet FIELD G205. The Astrophysical Journal, 704(2), 1107–1119. doi:10.1088/0004-637x/704/2/1107

  • Laughlin, G., Deming, D., Langton, J., Kasen, D., Vogt, S., Butler, P., … Meschiari, S. (2009). Rapid heating of the atmosphere of an extrasolar planet. Nature, 457(7229), 562–564. doi:10.1038/nature07649

  • Lawrence, D. J., Feldman, W. C., Goldsten, J. O., McCoy, T. J., Blewett, D. T., Boynton, W. V., … Solomon, S. C. (2010). Identification and measurement of neutron-absorbing elements on Mercury’s surface. Icarus, 209(1), 195–209. doi:10.1016/j.icarus.2010.04.005

  • Maule, J., Wainwright, N., Steele, A., Monaco, L., Morris, H., Gunter, D., … Wells, M. (2009). Rapid Culture-Independent Microbial Analysis Aboard the International Space Station (ISS). Astrobiology, 9(8), 759–775. doi:10.1089/ast.2008.0319

  • Minniti, D., Butler, R. P., López-Morales, M., Shectman, S. A., Adams, F. C., Arriagada, P., … Chambers, J. E. (2009). LOW-MASS COMPANIONS FOR FIVE SOLAR-TYPE STARS FROM THE MAGELLAN PLANET SEARCH PROGRAM. The Astrophysical Journal, 693(2), 1424–1430. doi:10.1088/0004-637x/693/2/1424

  • Mohit, P. S., Johnson, C. L., Barnouin-Jha, O., Zuber, M. T., & Solomon, S. C. (2009). Shallow basins on Mercury: Evidence of relaxation?. Earth and Planetary Science Letters, 285(3-4), 355–363. doi:10.1016/j.epsl.2009.04.023

  • O’Toole, S. J., Jones, H. R. A., Tinney, C. G., Butler, R. P., Marcy, G. W., Carter, B., … Wittenmyer, R. A. (2009). THE FREQUENCY OF LOW-MASS EXOPLANETS. The Astrophysical Journal, 701(2), 1732–1741. doi:10.1088/0004-637x/701/2/1732

  • O’Toole, S. J., Tinney, C. G., Jones, H. R. A., Butler, R. P., Marcy, G. W., Carter, B., & Bailey, J. (2009). Selection functions in doppler planet searches. Monthly Notices of the Royal Astronomical Society, 392(2), 641–654. doi:10.1111/j.1365-2966.2008.14051.x

  • O’Toole, S., Tinney, C. G., Butler, R. P., Jones, H. R. A., Bailey, J., Carter, B. D., … Rivera, E. J. (2009). A NEPTUNE-MASS PLANET ORBITING THE NEARBY G DWARF HD 16417. The Astrophysical Journal, 697(2), 1263–1268. doi:10.1088/0004-637x/697/2/1263

  • Opatkiewicz, A. D., Butterfield, D. A., & Baross, J. A. (2009). Individual hydrothermal vents at Axial Seamount harbor distinct subseafloor microbial communities. FEMS Microbiology Ecology, 70(3), 413–424. doi:10.1111/j.1574-6941.2009.00747.x

  • Ouellette, N., Desch, S. J., Bizzarro, M., Boss, A. P., Ciesla, F., & Meyer, B. (2009). Injection mechanisms of short-lived radionuclides and their homogenization. Geochimica et Cosmochimica Acta, 73(17), 4946–4962. doi:10.1016/j.gca.2008.10.044

  • Papineau, D. (2010). Global Biogeochemical Changes at Both Ends of the Proterozoic: Insights from Phosphorites. Astrobiology, 10(2), 165–181. doi:10.1089/ast.2009.0360

  • Papineau, D., Purohit, R., Goldberg, T., Pi, D., Shields, G. A., Bhu, H., … Fogel, M. L. (2009). High primary productivity and nitrogen cycling after the Paleoproterozoic phosphogenic event in the Aravalli Supergroup, India. Precambrian Research, 171(1-4), 37–56. doi:10.1016/j.precamres.2009.03.005

  • Purucker, M. E., Sabaka, T. J., Solomon, S. C., Anderson, B. J., Korth, H., Zuber, M. T., & Neumann, G. A. (2009). Mercury’s internal magnetic field: Constraints on large- and small-scale fields of crustal origin. Earth and Planetary Science Letters, 285(3-4), 340–346. doi:10.1016/j.epsl.2008.12.017

  • Pál, A., Bakos, G. Á., Fernandez, J., Sipőcz, B., Torres, G., Latham, D. W., … Isaacson, H. (2009). INDEPENDENT CONFIRMATION AND REFINED PARAMETERS OF THE HOT JUPITER XO-5b. The Astrophysical Journal, 700(1), 783–790. doi:10.1088/0004-637x/700/1/783

  • Pál, A., Bakos, G. Á., Torres, G., Noyes, R. W., Fischer, D. A., Johnson, J. A., … Esquerdo, G. A. (2010). Refined stellar, orbital and planetary parameters of the eccentric HAT-P-2 planetary system. Monthly Notices of the Royal Astronomical Society, 401(4), 2665–2674. doi:10.1111/j.1365-2966.2009.15849.x

  • Rivera, E. J., Butler, R. P., Vogt, S. S., Laughlin, G., Henry, G. W., & Meschiari, S. (2009). A SUPER-EARTH ORBITING THE NEARBY SUN-LIKE STAR HD 1461. The Astrophysical Journal, 708(2), 1492–1499. doi:10.1088/0004-637x/708/2/1492

  • Schneider, G., Weinberger, A. J., Becklin, E. E., Debes, J. H., & Smith, B. A. (2008). STIS IMAGING OF THE HR 4796A CIRCUMSTELLAR DEBRIS RING. The Astronomical Journal, 137(1), 53–61. doi:10.1088/0004-6256/137/1/53

  • Sheppard, S. S. (2010). THE COLORS OF EXTREME OUTER SOLAR SYSTEM OBJECTS. The Astronomical Journal, 139(4), 1394–1405. doi:10.1088/0004-6256/139/4/1394

  • Simon, J. D., Gal-Yam, A., Gnat, O., Quimby, R. M., Ganeshalingam, M., Silverman, J. M., … Mazzali, P. A. (2009). VARIABLE SODIUM ABSORPTION IN A LOW-EXTINCTION TYPE Ia SUPERNOVA,. The Astrophysical Journal, 702(2), 1157–1170. doi:10.1088/0004-637x/702/2/1157

  • Slavin, J. A., Acuna, M. H., Anderson, B. J., Baker, D. N., Benna, M., Boardsen, S. A., … Zurbuchen, T. H. (2009). MESSENGER Observations of Magnetic Reconnection in Mercury’s Magnetosphere. Science, 324(5927), 606–610. doi:10.1126/science.1172011

  • Smith, D. E., Zuber, M. T., Phillips, R. J., Solomon, S. C., Neumann, G. A., Lemoine, F. G., … Oberst, J. (2010). The equatorial shape and gravity field of Mercury from MESSENGER flybys 1 and 2. Icarus, 209(1), 88–100. doi:10.1016/j.icarus.2010.04.007

  • Sozzetti, A., Torres, G., Latham, D. W., Stefanik, R. P., Korzennik, S. G., Boss, A. P., … Laird, J. B. (2009). A KECK HIRES DOPPLER SEARCH FOR PLANETS ORBITING METAL-POOR DWARFS. II. ON THE FREQUENCY OF GIANT PLANETS IN THE METAL-POOR REGIME. The Astrophysical Journal, 697(1), 544–556. doi:10.1088/0004-637x/697/1/544

  • Szynkiewicz, A., Ewing, R. C., Moore, C. H., Glamoclija, M., Bustos, D., & Pratt, L. M. (2010). Origin of terrestrial gypsum dunes—Implications for Martian gypsum-rich dunes of Olympia Undae. Geomorphology, 121(1-2), 69–83. doi:10.1016/j.geomorph.2009.02.017

  • Uno, H., Johnson, C. L., Anderson, B. J., Korth, H., & Solomon, S. C. (2009). Modeling Mercury’s internal magnetic field with smooth inversions. Earth and Planetary Science Letters, 285(3-4), 328–339. doi:10.1016/j.epsl.2009.02.032

  • Vogt, S. S., Wittenmyer, R. A., Butler, R. P., O’Toole, S., Henry, G. W., Rivera, E. J., … Batygin, K. (2009). A SUPER-EARTH AND TWO NEPTUNES ORBITING THE NEARBY SUN-LIKE STAR 61 VIRGINIS. The Astrophysical Journal, 708(2), 1366–1375. doi:10.1088/0004-637x/708/2/1366

  • Watters, T. R., Murchie, S. L., Robinson, M. S., Solomon, S. C., Denevi, B. W., André, S. L., & Head, J. W. (2009). Emplacement and tectonic deformation of smooth plains in the Caloris basin, Mercury. Earth and Planetary Science Letters, 285(3-4), 309–319. doi:10.1016/j.epsl.2009.03.040

  • Watters, T. R., Solomon, S. C., Robinson, M. S., Head, J. W., André, S. L., Hauck, S. A., & Murchie, S. L. (2009). The tectonics of Mercury: The view after MESSENGER’s first flyby. Earth and Planetary Science Letters, 285(3-4), 283–296. doi:10.1016/j.epsl.2009.01.025

  • Zuber, M. T., Montési, L. G. J., Farmer, G. T., Hauck, S. A., Andreas Ritzer, J., Phillips, R. J., … Johnson, C. L. (2010). Accommodation of lithospheric shortening on Mercury from altimetric profiles of ridges and lobate scarps measured during MESSENGER flybys 1 and 2. Icarus, 209(1), 247–255. doi:10.1016/j.icarus.2010.02.026

  • A.Cumming, R.P.Butler, G.W.Marcy, S.S.Vogt, J.T.Wright & D.A.Fischer.  (2008).  The Keck Planet Search: Detectability and the Minimum Mass and Orbital Period Distribution of Extrasolar Planets.  Publications of the Astronomical Society of the Pacific, 120: 531.
  • Aarnio, A.N., Weinberger, A.J., Stassun, K.G., Mamajek, E.E. & James, D.J.  (2008).  A Survey for a Coeval, Comoving Group Associated with HD 141569.  The Astronomical Journal, 136: 2483-2492.
  • Alexander, C.M.O.D., Cody, G.D., Fogel, M.L. & Yabuta, H.  (2008).  Organics in meteorites- Solar or interstellar?  Organic Matter in Space, Proceedings of the International Astronomical Union, IAU Symposium, 251: 293-298.
  • Alexander, C.M.O.d.  (2009).  The Central Importance of Chondritic Organic Matter to Understanding the Origin of the Solar System and Maybe even Life.  Meteoritics and Planetary Science Supplement, 72: 5441.
  • Alexander, C.M.O.d., Newsome, S.N., Fogel, M.L. & Cody, G.D.  (2009).  Deuterium Enrichments — Parent Body Products or a Question of Preservation?  Lunar and Planetary Science Conference, 40: Abstract #2546.
  • B.E.McArthur, G.F.Benedict, R.Barnes, E.Martioli, D.A.Fischer, H.Isaacson, M.Giguere, S.Korzennik, E.Nelan & R.P.Butler.  (2009, Submitted).  Characterization of the Upsilon Andromedae System with Observations from the Hubble Space Telescope and Hobby Eberly Telescope.  Astrophysical Journal.
  • Barnouin-Jha, O.S., Zuber, M.T., Oberst, J., Preusker, F., Smith, D.E., Neumann, G.A., Solomon, S.C., Hauck, S.A., Phillips, R.J., Head, J.W., Prockter, L.M. & Robinson, M.S.  (2009).  Assessing the relationship between crater depth and diameter on Mercury with topographic measurements by MESSENGER [Abstract].  40th Lunar and Planetary Science Conference.
  • Baross, J.A. & Brazelton, W.J.  (2008).  Submarine hydrothermal vents: limits of life, biofilms and early evolution.  European Science Foundation, Complex Systems and Changes: Water and Life.  Taormina, Sicily, Italy.
  • Baross, J.A.  (2009).  Distant biosignatures: life on exoplanets.  AAAS Pacific Division Meeting.  San Francisco, CA.
  • Baross, J.A.  (2009).  Is there a relationship between “minimal life” and the origins and evolution of life?  Santa Fe Institute Origin of Life MEeting: “Minimal Life”.  National Science Foundation.
  • Baross, J.A.  (2009).  Submarine hydrothermal vents: limits of life, biofilms and early evolution.  Space Telescope Science Institute, May Symposium, The Search for Life in the Universe.  Baltimore, MD.
  • Baross, J.A.  (2009).  Submarine hydrothermal vents: limits of life, early evolution and the search for habitable planets.  Pontifical Academy of Sciences Study Week on Astrobiology, Casma Pio IV.  Vatican City.
  • Baross, J.A.  (2009).  The Encyclopedia of Microbiology.  In: Lederberg, J. & Schaechter, M. (Eds.).  London: Elsevier.
  • Baross, J.A.  (2009).  The search for life in the universe: A new darwinian voyage.  NASA Lecture Series: Evolution of Biology, Technology, Science, and Exploration.  Mountain View, CA.
  • Baross, J.A.  (In prep).  Pressure and the origin of life.  In: Gargaud, M., Martin, H., Montmerle, T. & Lopez-Garcia, P. (Eds.).  Origin of Life: An Astrobiology Perspective.  Cambridge University Press.
  • Benning, L.G., Eigenbrode, J.L., Maule, J., Wainwright, N., Steele, A., Amundsen, H.E.F., Amase & Teams.  (2008).  Organic decontamination of sampling devices for life-detection studies.  Geochimica et Cosmochimica Acta Supplement, 72: 73.
  • Blewett , D.T., Robinson, M.S., Denevi, B.W., Murchie, S.L., Domingue, D.L., Izenberg, N.R., Sprague, A.L., McClintock, W.E., Holsclaw, G.M., Vilas, F., Gillis-Davis, J.J., Lawrence, D.J., Feldman, W.C., Evans, L.G., Rhodes, E.A. & Solomon, S.C.  (2009).  The iron content of Mercury’s surface: A review of the evidence.  Programme with Abstracts, The Surface Composition of Mercury from Ultraviolet-Visible-Infrared Spectroscopy: State of the Art and Future Strategies.  Università degli Studi di Parma, Parma, Italy.
  • Blewett, D.T., Kerber, L., Head, J.W., Denevi, B.W., Robinson, M.S., Murchie, S.L., Gillis-Davis, J.J. & Solomon, S.C.  (2009).  Mercury pyroclastics: Color, morphology, and volatile content [Abstract].  40th Lunar and Planetary Science Conference.
  • Blinova, A.I., Herd, C.D.K., Zega, T., De Gregorio, B. & Stroud, R.M.  (2009).  Preliminary SEM and TEM study of pristine samples of Tagish Lake meteorite.  Lunar and Planetary Science Conference XL.
  • Boctor, N.Z., Wang, J., Alexander, C.M.O.d., Steele, A. & Armstrong, J.  (2009).  Hydrogen Isotope Signatures and Water Abundances in Nominally Anhydrous Minerals from the Olivine-Phyric Shergottite LAR 06319.  Meteoritics and Planetary Science Supplement, 72: 5176.
  • Boss, A.P. & Wetherill, G.W.  (2009, In Press).  Physicist, Geochemist, Planetary Scientist, and Astrobiologist [Book Chapter].  Highlights of Astronomy.  XXVII General Assembly, Cambridge University Press.
  • Boss, A.P. & et al.  (2008).  Bioastronomy [Book Chapter].  IAU Transactions Commission 51.  Vol. XXVII A.  Cambridge University Press.
  • Boss, A.P.  (2008).  Extrasolar Planets: Past, Present, and Future.  In: M. Livio, e. (Eds.).  A Decade of Extrasolar Planets Around Normal Stars.  Cambridge: Cambridge University Press.
  • Boss, A.P.  (2008).  Rapid Formation of Gas Giants, Ice Giants, and Super-Earths.  Physica Scripta (Volume 2008, T130).
  • Boss, A.P.  (2009).  Gradients in the Spatial Heterogeneity of the Short-Lived Radioisotopes 60Fe and 26Al and Stable Oxygen Isotopes in the Solar Nebula.  Supplement to Meteoritics & Planetary Science, 44: A37.
  • Boss, A.P.  (2009, In Press).  Proceedings of the Business Session of Commission 51: Bioastronomy.  In: Corbett, I.F. (Eds.).  IAU Transactions.  Vol. XXVII B.  Cambridge University Press.
  • Bower, D.M. & Steele, A.  (2009).  Investigations of the nature and provenance of mineral and carbonaceous material in fossiliferous cherts: revisiting the 1.9 Ga Gunflint Formation.  GSA Annual Meeting 2009.  Portland, OR.
  • Bower, D.M.  (2009).  Experimental investigations on the effects of diagenesis and low-grade metamorphism on the preservation of organic matter and formation of Fe-Ti-oxides (pseudorutile) in microfossils: using minerals as biosignatures in ancient rocks.
  • Bower, D.M.  (In prep).  A micro Raman study of the co-occurrence of muscovite, titanium oxides, and graphite in laminated sandstones of the 2.9 Ga Pongola Supergroup, South Africa.  Clays and Clay Minerals.
  • Brazelton, W.J. & Baross, J.A.  (2009).  Proto-cellular evolution, lateral gene transfer, syntrophic metabolisms, and archaeal biofilms of the Lost City Hydrothermal Field.  Astrobiology Graduate Student Conference.  Seattle, WA.
  • Brazelton, W.J., Ludwig, K., Sogin, M., Andreishcheva, E., Kelley, D., Shen, C-C., Edwards, R.L. & Baross, J.A.  (In Review).  Archaeal and bacterial communities with surprising microdiversity show shifts in dominance over 1000-year time scales at the Lost City Hydrothermal Field.  Proceed. Natl. Acad. Sci.
  • Brazelton, W.J., Ludwig, K.A., Sogin, M.L. & Baross, J.A.  (2009).  Dynamics of the rare biosphere in carbonate chimneys spanning a thousand years of the Lost City hydrothermal field.  ASLO Aquatic Sciences Meeting.  Nice, France.
  • Brazelton, W.J., Sogin, M. & Baross, J.A.  (In Press).  Multiple scales of diversification within a single population of archaea in a hydrothermal vent biofilm.  Environmental Microbiology Reports.
  • Busemann, H., Alexander, C.M.O.D., Nittler, L.R., Stroud, R.M., Zega, T.J., Cody, G.D., Yabuta, H. & Kilcoyne, A.L.D.  (2008).  Structural, chemical and isotopic examinations of interstellar organic matter extracted from meteorites and interstellar dust particles.  IAU Symposium.
  • Chapman, C.R., Solomon, S.C., McNutt, R.L., Anderson, B.J., Evans, L.G., Gold, R.E., Head, J.W., Krimigis, S.M., Murchie, S.L., Nittler, L.R., Phillips, R.J., Slavin, J.A., Zuber, M.T. & Team, M.  (2009).  Mercury after three MESSENGER flybys [Abstract].  Bulletin of the American Astronomical Society, 41: 1008.
  • Cleaves, H.J., Jonsson, C.M., Jonsson, C.L., Sverjensky, D.A. & Hazen, R.M.  (2009).  Adsorption of nucleic acid components on rutile (TiO2) surfaces.  238th American Chemical Society National Meeting.  Washington, DC.
  • Cleaves, H.J., Sverjensky, D.A., Jonsson, C.M., Jonsson, C.L. & Hazen, R.M.  (2008).  Distinguishing multiple surface species of glutamate on hydrous ferric oxide.  American Geophysical Union National Meeting.  San Francisco.
  • Cody, G.D., Alexander, C.M.O.D., Kilcoyne, A.L.D. & Yabuta, H.  (2008).  Unravling the chemical history of the Solar System as recorded in extraterrestrial organic matter.  Organic Matter in Space, Proceedings of the International Astronomical Union, IAU Symposium, 251: 277-284.
  • Cody, G.D., Heying, E. & Alexander, C.M.O.D.  (2009).  A Post Accretionary Origin for Meteoritic and Cometary Organic Solids?  40th Lunar and Plantetary Science Conference.
  • Conrad, P.G., Fogel, M.L., Glamoclija, M., Kerr, L., Mogensen, C., Eigenbrode, J., Mahaffy, P.R. & Steele, A.  (2009).  Metrics for Habitability Assessment.  Lunar and Planetary Institute Science Conference Abstracts.
  • Courtin, R., Boss, A. & Mayor, M.  Planetary Systems as Potential Sites for Life, in Highlights of Astronomy.  In: Corbett, I.F. (Eds.).  XXVII General Assembly.  Cambridge University Press.
  • D’Amore, M., Helbert, J., Maturilli, A., Izenberg, N.R., Sprague, A.L., Holsclaw, G.M., Head III, J.W., McClintock, W.E. & Solomon, S.C.  (2009).  Compositional units along the M1 and M2 MASCS ground track from a principal component analysis.  Programme with Abstracts, The Surface Composition of Mercury from Ultraviolet-Visible-Infrared Spectroscopy: State of the Art and Future Strategies.  Università degli Studi di Parma, Parma, Italy.
  • D’Amore, M., Helbert, J., Maturilli, A., Izenberg, N.R., Sprague, A.L., Holsclaw, G.M., Head III, J.W., McClintock, W.E. & Solomon, S.C.  (2009).  Compositional units along the M1 and M2 MASCS ground tracks from principal component and clustering analyses.  Europlanet Research Infrastructure, European Planetary Science Congress.  Potsdam, Germany.
  • De Gregorio, B.T., Stroud, R.M., Nittler, L.R. & Cody, G.D.  (2009).  Variety of organic matter in Stardust return samples from comet 81P/Wild 2.  Lunar and Planetary Science Conference XL.
  • Denevi, B.W., Robinson, M.S., Blewett, D.T., Domingue, D.L., Head, J.W., McCoy, T.J., McNutt, R.L., Murchie, S.L. & Solomon, S.C.  (2009).  MESSENGER global color observations: Implications for the composition and evolution of Mercury’s crust [Abstract].  40th Lunar and Planetary Science Conference.
  • Denevi, B.W., Robinson, M.S., Solomon, S.C., Murchie, S.L., Blewett , D.T., Domingue, D.L., McCoy, T.J., Ernst, C.M., Head III, J.W., Watters, T.R. & Chabot, N.L.  (2009).  A global perspective from MESSENGER and Mariner 10 on the composition and evolution of Mercury’s crust.  Programme with Abstracts, The Surface Composition of Mercury from Ultraviolet-Visible-Infrared Spectroscopy: State of the Art and Future Strategies.  Università degli Studi di Parma, Parma, Italy.
  • Estrada, C.F., Jonsson, C.M., Jonsson, C.L., Parikh, S.J., Sverjensky, D.A., Cleaves, H.J. & Hazen, R.M.  (2008).  Surface speciation of glutamate and aspartate on titanium dioxide.  American Geophysical Union National Meeting.  San Francisco.
  • Ewing, R.C., Hazen, R.M. & Sverjensky, D.A.  (2008).  Mineral evolution of uranium and thorium.  American Geophysical Union National Meeting.  San Francisco.
  • Freed, A.M., Solomon, S.C., Watters, T.R., Phillips, R.J. & Zuber, M.T.  (2009).  Could Pantheon Fossae be the result of the Apollodorus crater-forming impact within the Caloris basin, Mercury? [Abstract].  40th Lunar and Planetary Science Conference.
  • Gillis-Davis, J.J., Blewett, D.T., Denevi, B.W., Robinson, M.S., Solomon, S.C., Strom, R.G. & Team, M.  (2009).  Pit-Floor Craters on Mercury: Characteristics and modes of formation [Abstract].  40th Lunar and Planetary Science Conference.
  • Glamoclija, M., Fogel, M.L., Kish, A. & Steele, A.  (2009).  Nutrient and pigment signatures of microbial life from arid environment of White Sands National Monument, New Mexico.  GSA Annual Meeting 2009.  Portland, OR.
  • Goldman, A.D., Samudraia, R. & Baross, J.A.  (In Press).  Rapid evolution of protein synthesis following the RNA world.  Molecular Biology and Evolution.
  • Gómez-Pérez, N. & Wicht, J.  (2009).  Magnetic field at Mercury: Effects of external sources on planetary dynamos [Abstract].  40th Lunar and Planetary Science.
  • Hazen, R.M.  (2009).  Chapter 10 – Mineral Surfaces, Geochemical Complexities, and the Origins of Life.  In: Deamer, D.W. & Szostak, J.W. (Eds.).  Origins of Cellular Life.  Cold Springs Harbor Perspectives.
  • Hazen, R.M.  (2009).  Emergence and the experimental pursuit of the origin of life.  In: Bertka, C.M. (Eds.).  Exploring the Origins, Extent, and Future of Life: Philosophical, Ethical, and Theological Perspectives.  New York: Cambridge University Press.
  • Hazen, R.M.  (2009).  The geochemical origin of life.  In: Knoll, A.H., Canfield, D.E. & Konhauser, K.O. (Eds.).  A Geobiology Reader.
  • Hazen, R.M., Jonsson, C.M., Jonsson, C.L., Cleaves, H.J. & Sverjensky, D.A.  (2009).  Molecule-mineral interactions and the origins of life.  238th American Chemical Society National Meeting.  Washington, DC.
  • Head, J.W., Solomon, S.C., McNutt, R.L., Blewett, D.T., Chapman, C.R., Domingue, D.L., Gillis-Davis, J.J., Hawkins, S.E., Helbert, J., Holsclaw, G.M., Izenberg, N.R., McClintock, W.E., Merline, W.J., Murchie, S.L., Phillips, R.J., Prockter, L.M., Robinson, M.S., Denevi, B.W., Sprague, A.L., Strom, R.G., Vilas, F., Watters, T.R. & Zuber, M.T.  (2009).  The MESSENGER mission to Mercury: New insights into geological processes and evolution from the first two encounters [Abstract].  40th Lunar and Planetary Science Conference.
  • Helbert, J., D’Amore, M., Maturilli, A., Izenberg, N.R., Sprague, A.L., Holsclaw, G.M., Head, J.W., McClintock, W.E., Blewett, D.T. & Solomon, S.C.  (2009).  Compositional units on Mercury along MESSENGER ground tracks from principal component analysis of spectral observations [Abstract].  40th Lunar and Planetary Science Conference.
  • Herd, C.D.K., Nittler, L.R. & Alexander, C.M.O.D.  (2009).  Isotopically Heterogeneous Organic Matter in the Tagish Lake Meteorite.  Lunar and Planetary Science Conference XL, 40: Abstract #1818.
  • Hurry, V., Anderson, J.M., Soon Chow, W. & Osmond, C.B.  (1997).  Accumulation of zeaxanthin in abscisic acid-deficient mutants of Arabidopsis does not affect Chlorophyll fluorescence quenching or sensitivity to photoinhibition in vivo.  Plant Physiology, 113: 639-648.
  • Izenberg, N.R., McClintock, W.E., Holsclaw, G.M., Blewett , D.T., Domingue, D.L., Donaldson Hanna, K.L., Jensen, D.A., Kochte, M.C., Lankton, M.R., Sprague, A.L., Vilas, F., Solomon, S.C., Robinson, M.S. & Helbert, J.  (2009).  Resolved ultraviolet to infrared reflectance spectroscopy of Mercury from the first two MESSENGER flybys.  Programme with Abstracts, The Surface Composition of Mercury from Ultraviolet-Visible-Infrared Spectroscopy: State of the Art and Future Strategies.  Università degli Studi di Parma, Parma, Italy.
  • Izenberg, N.R., McClintock, W.E., Holsclaw, G.M., Blewett, D.T., Helbert, J., Solomon, S.C. & Team, M.  (2009).  Resolved ultraviolet to infrared reflectance spectroscopy of Mercury from the second MESSENGER flyby [Abstract].  40th Lunar and Planetary Science Conference.
  • Johnson, C.L., Uno, H., Purucker, M.E., Anderson, B.J., Korth, H., Slavin, J.A. & Solomon, S.C.  (2009).  Mercury’s magnetic field: Assessing the effects of external fields on internal field models [Abstract].  40th Lunar and Planetary Science Conference.
  • Jones, H.R.A., Butler, R.P., Tinney, C.G., O’Toole, S., Wittenmyer, R., Vogt, S.S., Rivera, E., Laughlin, G., Meschiari, S., Carter, B.D., Bailey, J., Jenkins, J.S. & Henry, G.  (2009, Submitted).  A Jupiter-like Planet Orbiting a Nearby Sun-like Star.  Monthy Notices of the Royal Astronomical Society.
  • Jonsson, C.M., Jonsson, C.L., Parikh, S.J., Sverjensky, D.A., Cleaves, H.J. & Hazen, R.M.  (2008).  Surface speciation of glutamate and aspartate on titanium dioxide.  American Geophysical Union National Meeting.  San Francisco.
  • Jonsson, C.M., Jonsson, C.L., Sverjensky, D.A. & Hazen, R.M.  (2008).  The adsorption of aspartic acid on rutile: implications for biochirality.  American Geophysical Union National Meeting.  San Francisco.
  • Jonsson, C.M., Jonsson, C.L., Sverjensky, D.A., Cleaves, H.J. & Hazen, R.M.  (2009).  Surface speciation of aspartate and glutamate on titanium dioxide.  237th American Chemical Society National Meeting.  Salt Lake City.
  • Jonsson, C.M., Jonsson, C.L., Sverjensky, D.A., Cleaves, H.J. & Hazen, R.M.  (2009).  Surface speciation of glutamate and aspartate on rutile as a function of environmental conditions.  238th American Chemical Society National Meeting.  Washington, DC.
  • Killen, R.M., Bida, T.A., Potter, A.E., McClintock, W.E., Bradley, E.T., Vervack, R.J., Anderson, C.M., Morgan, T.H., Sprague, A.L. & Solomon, S.C.  (2009).  Metallic Species in Mercury’s Exosphere Observed by MESSENGER, the Keck I and McMath-Pierce Telescopes.  Bulletin of the American Astronomical Society, 41: 1134.
  • Lawrence, D.J., Feldman, W.C., Goldsten, J.O. & Solomon, S.C.  (2009).  Identification of neutron absorbing elements on Mercury’s surface using MESSENGER neutron data [Abstract].  40th Lunar and Planetary Science Conference.
  • M.Lopez-Morales, R.P.Butler, D.A.Fischer, D.Minniti, S.A.Shectman, G.Takeda, F.C.Adams & P.Arriagada.  (2008).  Two Jupiter Mass Planets Orbiting HD 154672 and HD 205739.  Astronomical Journal, 136: 1901.
  • Martin, W.J., Baross, J., Kelley, D. & Russell, M.J.  (2008).  Hydrothermal vents and the origin of life.  Nature Reviews Microbiology, 6: 805-814.
  • Mayor, M., Boss, A.P. & et al.  (2008).  Commission 53: Extrasolar Planets.  In: Van Der Hucht, K. (Eds.).  IAU Transactions.  Vol. XXVII A.  Cambridge University Press.
  • Mine, A.H., Papineau, D., Fogel, M.L., Steele, A. & Mueller, W.  (2008).  Tracing the origin of carbonaceous matter and apatite in Neoarchean banded iron formations from Abitibi.  AGU Fall Meeting Abstracts, 51: 1389.
  • Nittler, L.R., Alexander, C.M.O.D., Cody, G.D., De Gregorio, B.T., Kilcoyne, A.L.D., Stroud, R.M. & Tiwari, A.  (2009).  Micro-scale characteristics of insoluble organic matter In chondrites: A coordinated TEM, STXM, and SIMS study.  Lunar and Planetary Science Conference, 40: Abstract #1145.
  • Opatkiewiez, A.D., Butterfield, D.A. & Baross, J.A.  (2008).  Isolation and stability of distinct subsurface microbial communities associated with two hydrothermal vent systems.  AGU Fall Meeting.
  • Papineau, D. & Purohit, R.  (2009).  Paleoproterozoic blooms of oxygenic photosynthesis stimulated by high phosphate delivery in the Lower Aravalli Group.  IGCP 509 conference on Paleoproterozoic Supercontinents and Global Evolution.  Kolkata, India.
  • Preusker, F., Oberst, J., Phillips, R.J., Watters, T.R., Head III, J.W., Zuber, M.T. & Solomon, S.C.  (2009).  Digital terrain models from MESSENGER stereo images [Abstract].  Results from Current Missions, International Society for Photogrammetry and Remote Sensing (ISPRS) Working Group IV/7, Planetary Mapping and Databases.  Berlin, Germany.
  • Prockter, L.M., Barnouin-Jha, O., Solomon, S.C., Chapman, C.R., Denevi, B.W., Head III, J.W., Watters, T.R., Blewett , D.T. & Gillis-Davis, J.  (2009).  Mercury’s Raditladi basin: A puzzling example of extensional tectonics in an unusually young impact feature.  Europlanet Infrastructure, European Planetary Science Congress.  Potsdam, Germany.
  • Prockter, L.M., Barnouin-Jha, O., Solomon, S.C., Head III, J.W., Fassett, C.I., Watters, T.R., Murchie, S.L., Robinson, M.S., Chapman, C.R., Strom, R.G. & McNutt, J.,.R.L.  (2009).  Impact cratering on mercury: Historical pespective and new views from MESSENGER.  Programme with Abstracts, The Surface Composition of Mercury from Ultraviolet-Visible-Infrared Spectroscopy: State of the Art and Future Strategies.  Università degli Studi di Parma, Parma, Italy.
  • Prockter, L.M., Watters, T.R., Chapman, C.R., Denevi, B.W., Head, J.W., Solomon, S.C., Murchie, S.L., Barnouin-Jha, O.S., Robinson, M.S., Blewett, D.T. & Gillis-Davis, J.  (2009).  The curious case of Raditladi basin [Abstract].  40th Lunar and Planetary Science Conference.
  • Purucker, M.E., Johnson, C.L., Anderson, B.J., Korth, H., Uno, H., Blewett, D.T., Sabaka, T.J., Solomon, S.C. & Head, J.W.  (2009).  Mercury’s internal magnetic field from MESSENGER [Abstract].  40th Lunar and Planetary Science Conference.
  • Ruedas, T., Tackley, P.J. & Solomon, S.C.  (2009).  Water, melting, and convection in the Martian mantle [Abstract].  40th Lunar and Planetary Science Conference.
  • Sarrazin, P., Brunner, W., Blake, D., Gailhanou, M., Bish, D.L., Vaniman, D.T., Chipera, S.J., Ming, D.W., Steele, A., Midtkandal, I., Amundsen, H. & Peterson, R.  (2008).  Field Studies of Mars Analog Materials Using a Portable XRD/XRF Instrument.  Lunar and Planetary Institute Science Conference Abstracts.
  • Schrenk, M.O., Holden, J.F. & Baross, J.A.  (2008).  Magma to microbe networks in the context of sulfide hosted microbial ecosystems.  In: Lowell, R.P., Seewald, J.S., Metaxas, A. & Perfit, M.R. (Eds.).  Magma to Microbe, Modeling Hydrothermal Processes at Oceanic SPreading Centers.  Vol. 178.  Washington, D.C: American Geophysical Union.
  • Sheppard, S. & Trujillo, C.  (2006).  Science, 333: 511.
  • Sheppard, S.S.  (2009).  The colors of inner Oort cloud, extended/detached disk and retrograde outer solar system objects.  AAS/Division for Planetary Sciences Meeting Abstracts.
  • Smith, D.E., Zuber, M.T., Phillips, R.J., Solomon, S.C., Lemoine, F.G., Neumann, G.A., Head, J.W. & Torrence, M.H.  (2009).  Does Mercury have lunar-like mascons? [Abstract].  40th Lunar and Planetary Science Conference.
  • Solomon, S.C., Freed, A.M., Hauck, S.A., Head, J.W., Kerber, L., Phillips, R.J., Robinson, M.S., Watters, T.R. & Zuber, M.T.  (2009).  MESSENGER’s newly global perspective on Mercury: Some implications for interior evolution [Abstract].  40th Lunar and Planetary Science Conference.
  • Solomon, S.C., McClintock, W.E., Anderson, B.J., Domingue, D.L., Evans, L.G., Gold, R.E., Head III, J.W., Krimigis, S.M., Murchie, S.L., Nittler, L.R., Phillips, R.J., Slavin, J.A. & Zuber, M.T.  (2009).  MESSENGER’s first and second flybys of Mercury: A scientific overview.  Europlanet Infrastructure, European Planetary Science Congress.  Potsdam, Germany.
  • Solomon, S.C., McNutt, J.,.R.L., Anderson, B.J., Domingue, D.L., Evans, L.G., Gold, R.E., Head III, J.W., Krimigis, S.M., Murchie, S.L., Nittler, L.R., Phillips, R.J., Slavin, J.A., Zuber, M.T. & Team, t.M.  (2009).  MESSENGER’s first and secondflybys of Mercury: A Scientific overview.  Programme with Abstracts, The Surface Composition of Mercury from Ultraviolet-Visible-Infrared Spetroscopy: State of the Art and Future Strategies.
  • Stroud, R.M., Alexander, C.M.O.D., Cody, G.D., Gregorio, B.T., Kilcoyne, A.L.D., Nittler, L.R. & Zega, T.J.  (2009).  Correlated microanalysis of carbonaceous nanoglobules.  Meteoritics and Planetary Science Supplement, 72: Abstract #5332.
  • Sverjensky, D.A. & Hazen, R.M.  (2008).  MoS2 and ReS2 stabilities as indicators of oxidation state on the early Earth.  American Geophysical Union National Meeting.  San Francisco.
  • Sverjensky, D.A., Jonsson, C.M., Jonsson, C.L., Cleaves, H.J. & Hazen, R.M.  (2008).  Glutamate surface speciation on amorphous titanium dioxide and hydrous ferric oxide.  Environmental Science & Technology, 42: 6034-6039.
  • Sverjensky, D.A., Jonsson, C.M., Jonsson, C.L., Hazen, R.M. & Cleaves, H.J.  (2009).  Surface complexation models of glutamate and aspartate on rutile.  238th American Chemical Society National Meeting.  Washington, DC.
  • Watters, T.R., Murchie, S.L., Robinson, M.S., Head, J.W., Chapman, C.R., Solomon, S.C., Denevi, B.W., André, S.L., Fassett, C.I. & Team, M.  (2009).  A newly discovered impact basin on Mercury revealed by MESSENGER [Abstract].  40th Lunar and Planetary Science Conference.
  • Westphal, A. & et al.  (2009).  Stardust Interstellar Preliminary Examination (ISPE).  40th Lunar and Plantetary Science Conference.
  • Yabuta, H., Cody, G.D. & Alexander, C.M.O.D.  (2009).  Organic Molecular Indicators of Aqueous Alteration: Extensive Pyrolysis Survey of CM, CI, CR, and Tagish Lake Chondrites.  Meteoritics & Planetary Science, Supplement: 5152.
  • Zuber, M.T., Farmer, G.T., Hauck, S.A., Ritzer, J.A., Phillips, R.J., Solomon, S.C., Smith, D.E., Head, J.W., Neumann, G.A., Robinson, M.S., Watters, T.R., Johnson, C.L., Oberst, J., Barnouin-Jha, O. & McNutt, R.L.  (2009).  Observations of ridges and lobate scarps on Mercury from MESSENGER altimetry and imaging and implications for lithospheric strain accommodation [Abstract].  40th Lunar and Planetary Science Conference.
  • Zuber, M.T., Smith, D.E., Phillips, R.J., Solomon, S.C. & Oberst, J.  (2009).  The equatorial shape, topography, and gravity of Mercury from the MESSENGER flybys of 2008.  Europlanet Infrastructure, European Planetary Science Congress.  Potsdam, Germany.
  • Zurbuchen, T.H., Raines, J.M., Gloeckler, G., Slavin, J.A., Krimigis, S.M., Killen, R.M., Sprague, A.L., McNutt, R.L. & Solomon, S.C.  (2009).  First ion plasma measurements in the Mercury magnetosphere [Abstract].  40th Lunar and Planetary Science Conference.

2009 Teams