1975 - B.S. (Astronomy) - University of Maryland
1975 - B.S. (Chemistry) - University of Maryland
1977 - M.S. (Geochemistry) - University of Maryland
1982 - Ph.D. (Chemistry) - University of Maryland
Joseph A Nuth
((AST, EARTH BIOSPHERE STUDIES))
| Email: | joseph.a.nuth@nasa.gov |
| Phone: | 301.286.9467 |
| Org Code: | 690 |
| Address: |
NASA/GSFC Mail Code 691 Greenbelt, MD 20771 |
| Employer: |
Missions & Projects
Research Interests
Photochemistry; XRF and Electron Microprobe Analysis of Geochemical Materials; High Temperature Chemistry, Nucleation Phenomena; Circumstellar, Interstellar and Interplanetary Dust; Microgravity Science, Meteoritics
Solar System: MeteoritesEducation
Positions/Employment
Senior Scientist for Primitive Bodies
NASA - Goddard Space Flight Center
2008 - Present
Chief, Astrochemistry Laboratory Solar System Exploration Division
NASA - Goddard Space Flight Center
2005 - 2008
Supervisory Astrophysicist, Astrochemistry Branch Laboratory for Extraterrestrial Physics
NASA - Goddard Space Flight Center
1990 - 2005
Discipline Scientist Planetary Materials and Geochemistry Program (now the Cosmochemistry Program)
NASA - NASA Headquarters, Washington, DC
1994 - 1996
Discipline Scientist Origins of Solar Systems Research Program
NASA - NASA Headquarters, Washington, DC
1989 - 1993
Astrophysicist, Astrochemistry Branch Laboratory for Extraterrestrial Physics
NASA - Goddard Space Flight Center
1986 - 1990
Senior Visiting Scientist, Chemistry Department
University of Maryland - College Park, MD
1985 - 1986
NAS/NRC Research Management Associate Solar System Exploration Division
NASA - NASA Headquarters, Washington, DC
1984 - 1985
NAS/NRC Research Management Associate Laboratory for Extraterrestrial Physics
NASA - Goddard Space Flight Center
1981 - 1984
Research Assistant, Physics and Astronomy
University of Maryland - College Park, MD
1978 - 1981
Professional Societies
International Astronomical Union & IAU Commissions 15, 22 and 34
Vice President IAU Commission F.3 (Astrobiology)
1990 - Present
Meteoritical Society
Fellow of the Meteoritical Society
1996 - Present
American Chemical Society & Division of Colloid and Surface Science Chemical Society of Washington
1975 - Present
American Astronomical Society
1975 - Present
Sigma XI
1975 - Present
Awards
Astronomy Department, University of Maryland 2012 Distinguished Alumnus
NASA Group Achievement Award-Astrobiology Roadmap Team (2009)
Elected a Fellow of the Meteoritical Society (2004)
Outstanding Management Award (1st Level & Group/Team Leader) NASA Goddard Space Flight Center (1999)
Excellence in Federal Career Award - Outstanding Supervisor, GS-13 & above - Baltimore Federal Executive Board (1997)
Editor's Letter of Commendation from Icarus (1990)
Other Professional Information
Community Service:
Gordon Research Conference on The Origins of Solar Systems: Vice-Chair, 2003: Chair, 2005
Member of the Counsel, Gordon Research Conferences, 2005-2007
ExoMars Payload Confirmation Review Board, 2007, 2009
Member "Comité de Visite" of the Institut d'Astrophysique Spatiale, 2008
Special Experience
NASA Headquarters Review and Advisory Panels:
Astrophysics Supporting Research and Technology Review Team 2011
Astronomy & Physics R & A Panel: Dust & Ices Subpanel-chair 2008
Astrobiology Science, Technology and Instrument Development: Chair, 2005-6, 8
Astrobiology Science, Technology and Instrument Development: Panel, 2001-4
Astrobiology Science and Technology for Exploration of Planets: Panel 2002 – 2004
Cosmochemistry Review Panel: Chair, 1997 - 1999
Exobiology Review Panel, Co-Chair, 2011
Exobiology Review Panel, 2003 - 2005
Origins of Solar Systems: Chair, 1999 – 2001; 2003 – 2004; 2011; Cosmochemistry Sub-Chair 2008, 2010
Sample Return Laboratory Instrument Development Analysis Program: Chair, 2000 – 2008
Laboratory Analysis of Returned Samples Program: Chair, 2009 - 2011
Special Review of the Lunar & Planetary Institute: Chair, 1999 – 2003; 2005; 2006
Stardust DAP: Chair, 2008
NASA Exceptional Scientific Achievement Award Review: 2011
NASA Centennial Challenge Program Committee 2010
Urey and MOMA Independent Panel Review, 2008
NASA Lunar Science Institute Review Panel, 2008
Cosmochemistry MOWG: 1997 – 2011
Origins of Solar Systems MOWG: 1998 – 2002
Towards Other Planetary Systems: Science Working Group: 1988 - 1992
Goddard Space Flight Center:
Goddard Chemical Safety Subcommittee: 1990 – 1995
Review Committee: Promotion Criteria for Scientists and Engineers: 2000 - 2001
Quality of Work Life Committee: 2004 – 2005
Deputy Director, Goddard Center for Astrobiology, 2003 – present.
Project Scientist: Discovery Program OSIRIS 2007-8, and Phase A Concept Study
Project Scientist: New Frontiers Program OSIRIS REx 2010-11, Phase A Concept Study
Deputy Project Scientist: New Frontiers Program OSIRIS REx 2011 - present
Project Scientist: Discovery Program Comet Hopper 2010; and Phase A Concept Study
Publications
Refereed
2025. "Abundant ammonia and nitrogen-rich soluble organic matter in samples from asteroid (101955) Bennu.", Nature Astronomy, [Full Text] [10.1038/s41550-024-02472-9] [Journal Article/Letter]
2024. "Radiative Pressure on Fractal Dust Grains in Oxygen-rich AGB Stars.", The Astrophysical Journal, 975 (2): 211 [10.3847/1538-4357/ad7ddf] [Journal Article/Letter]
2024. "ATOMIUM: Molecular inventory of 17 oxygen-rich evolved stars observed with ALMA.", Astronomy & Astrophysics, 681 A50 [10.1051/0004-6361/202347632] [Journal Article/Letter]
2022. "Inefficient Growth of SiOx Grains: Implications for Circumstellar Outflows.", The Astrophysical Journal Letters, 934 (1): L10 [10.3847/2041-8213/ac8002] [Journal Article/Letter]
2021. "The Formation of Carbonaceous Material in the Early Solar Nebula: The Role of Metal Dusting.", The Astrophysical Journal, 908 (1): 48 [10.3847/1538-4357/abcecc] [Journal Article/Letter]
2020. "Grain Formation around the AGB Star L2 Puppis Based On ALMA Observations.", The Astrophysical Journal, 901 (2): 144 [10.3847/1538-4357/abaefb] [Journal Article/Letter]
2020. "Did a Complex Carbon Cycle Operate in the Inner Solar System?.", Life, 10 (9): 206 [10.3390/life10090206] [Journal Article/Letter]
2018. "OSIRIS-REx Contamination Control Strategy and Implementation.", Space Science Reviews, 214 (1): 19 [Full Text] [10.1007/s11214-017-0439-4] [Journal Article/Letter]
2017. "OSIRIS-REx: Sample Return from Asteroid (101955) Bennu.", Space Science Reviews, 212 925-984 [Full Text] [10.1007/s11214-017-0405-1] [Journal Article/Letter]
2016. "Gas/solid carbon branching ratios in surface-mediated reactions and the incorporation of carbonaceous material into planetesimals.", Meteoritics & Planetary Science, 51 (7): 1310-1322 [10.1111/maps.12666] [Journal Article/Letter]
2016. "Great new insights from failed experiments, unanticipated results and embracing controversial observations.", Chemie der Erde - Geochemistry, 76 (1): 1-12 [10.1016/j.chemer.2015.09.002] [Journal Article/Letter]
2015. "On the Use of Fourier Transform Infrared (FT-IR) Spectroscopy and Synthetic Calibration Spectra to Quantify Gas Concentrations in a Fischer-Tropsch Catalyst System.", Applied Spectroscopy, 69 (10): 1157-1169 [10.1366/15-07950] [Journal Article/Letter]
2015. "OSIRIS-REx IS A PATHFINDER FOR CONTAMINATION CONTROL FOR COST CONTROLLED MISSIONS IN THE 21ST CENTURY.", 46th Lunar and Planetary Science Conference (2015), 1147.pdf [Proceedings]
2014. "CO Self-Shielding as a Mechanism to Make 16O-Enriched Solids in the Solar Nebula.", Challenges, 5 (1): 152-158 [10.3390/challe5010152] [Journal Article/Letter]
2013. "Optical Properties of Iron Silicates in the Infrared to Millimeter as a Function of Wavelength and Temperature.", The Astrophysical Journal, 770 (46): 1-12 [10.1088/0004-637X/770/1/46] [Journal Article/Letter]
2012. "Complex Protostellar Chemistry.", Science, 336 (6080): 424-425 [10.1126/science.1219709] [Journal Article/Letter]
2012. "Vapor Pressure and Evaporation Coefficient of Silicon Monoxide over a Mixture of Silicon and Silica.", Journal of Chemical & Engineering Data, 57 (3): 721-728 [10.1021/je200693d] [Journal Article/Letter]
2012. "Carbon isotopic fractionation in Fischer-Tropsch-type reactions and relevance to meteorite organics.", Meteoritics & Planetary Science, 47 1029-1034. [Journal Article/Letter]
2011. ""Measuring the Optical Properties of Astrophysical Dust Analogues: Instrumentation and Methods" .", Applied Optics, 50 (21): 4115-4123 [10.1364/AO.50.004115] [Journal Article/Letter]
2011. "Laboratory annealing experiments of refractory silicate grain analogs using differential scanning calorimetry.", Meteoritics & Planetary Science, 46 92 [Full Text] [10.1111/j.1945-5100.2010.01143.x] [Journal Article/Letter]
2011. "A Model of Silicate Grain Nucleation and Growth in Circumstellar Outflows.", The Astrophysical Journal, 732 62 [Full Text] [10.1088/0004-637X/732/2/62] [Journal Article/Letter]
2010. "The influence of buoyant convection on the nucleation of n-propanol in thermal diffusion cloud chambers.", The Journal of Chemical Physics, 132 (20): 204510 [10.1063/1.3429618] [Journal Article/Letter]
2010. "Synthesis of stacked-cup carbon nanotubes in a metal free low temperature system.", Nanoscience and Nanotechnology Letters, 3 4 - 10 [Journal Article/Letter]
2010. "Dust destruction in the ISM: a re-evaluation of dust lifetimes.", Astronomy and Astrophysics, 530 A44 [Journal Article/Letter]
2010. "Understanding the Mechanisms of Formation of NanoSulfide Compounds from Wild 2: Combined Experimental and Observational Approach.", Meteoritics and Planetary Sciences, 46 1082 - 1096 [Journal Article/Letter]
2010. "The Formation of Graphite Whiskers in the Primitive Solar Nebula.", The Astrophysical Journal Letters, 710 L98 [Full Text] [10.1088/2041-8205/710/1/L98] [Journal Article/Letter]
2010. "Observed Weak Electron Beam Discharge Driven Grain Acceleration/Accretion with Implications for Planet Formation.", Earth, Moon, and Planets, Online First, 10 [Full Text] [10.1007/s11038-010-9356-1] [Journal Article/Letter]
2009. "A metastable aluminosilica compound Al2Si2O7 to facilitate aluminum and water transport to the mantle.", Int J Geophys, 2009 Article ID 909431 [10.1155/2009/909431] [Journal Article/Letter]
2009. "Asteroid Impact Threats: Advancements in Asteroid Science to Enable Rapid and Effective Deflection Missions.", Journal of Cosmology, 2 386-410 [Journal Article/Letter]
2009. "A Seed of Solar Forsterite and Possible New Evolutional Scenario of Cosmic Silicates.", The Astrophysical Journal Letters, 697 L10 [Full Text] [10.1088/0004-637X/697/1/L10] [Journal Article/Letter]
2009. "Dust formation and evolution in a Ca-Fe-SiO-H2-O2 vapour phase condensation experiment and astronomical implications.", Monthly Notices of the Royal Astronomical Society, 396 402 [Full Text] [10.1111/j.1365-2966.2009.14703.x] [Journal Article/Letter]
2009. "Asteroid Impact Threats: Advancements in Asteroid Science to Enable Rapid and Effective Deflection Missions.", Journal of Cosmology, Vol 2, p386-410, 2 386 [Full Text] [Journal Article/Letter]
2008. "A Deep Metastable Eutectic Iron-Aluminate.", ChemPhysLett, 458 355 – 358 [Journal Article/Letter]
2008. "The vapor pressure of SiO from 1300K to 1800K.", J Chem Engin Data, 53 2824 - 2832 [Journal Article/Letter]
2008. "A Self-Perpetuating Catalyst for the Production of Complex Organic Molecules in Protostellar Nebulae.", Ap J (Lett), 673 L225-L228 [Journal Article/Letter]
2008. "A Self-Perpetuating Catalyst for the Production of Complex Organic Molecules in Protostellar Nebulae.", The Astrophysical Journal, 673 L225 [Full Text] [10.1086/528741] [Journal Article/Letter]
2008. "A refractory Ca SiO H2 O2 vapor condensation experiment with implications for calciosilica dust transforming to silicate and carbonate minerals.", Icarus, 195 493 [Full Text] [10.1016/j.icarus.2007.11.022] [Journal Article/Letter]
2008. "NEOCAM: The Near Earth Object Chemical Analysis Mission.", Earth, Moon, and Planets, 102 495 [Full Text] [10.1007/s11038-007-9178-y] [Journal Article/Letter]
2008. "What was the Volatile Composition of the Planetesimals that Formed the Earth?.", Earth, Moon, and Planets, 102 435 [Full Text] [10.1007/s11038-007-9208-9] [Journal Article/Letter]
2008. "The NASA Astrobiology Roadmap.", Astrobiology, 8 715 [Full Text] [10.1089/ast.2008.0819] [Journal Article/Letter]
2007. "Non-Mass-Dependent Oxygen Isotopic Fractionation in Smokes Produced in an Electrical Discharge.", MAPS, 42 1429-1439 [Journal Article/Letter]
2007. "The Oxygen Isotope Effect in the Earliest Processed Solids in the Solar System: Is it a Chemical Mass-Independent Process?.", Astron Astrophys, 467 919-923 [Journal Article/Letter]
2007. "Laboratory simulation of Mg-rich ferromagnesiosilica dust: The first building blocks of comet dust.", Advances in Space Research, 39 351 [Full Text] [10.1016/j.asr.2005.03.113] [Journal Article/Letter]
2007. "Comparison of the composition of the Tempel 1 ejecta to the dust in Comet C/Hale Bopp 1995 O1 and YSO HD 100546.", Icarus, 191 223 [Full Text] [10.1016/j.icarus.2006.11.027] [Journal Article/Letter]
2007. "Non-mass-dependent oxygen isotopic fractionation in smokes produced in an electrical discharge.", Meteoritics & Planetary Science, vol 42, Issue 7, p1429-1439, 42 1429 [Full Text] [10.1111/j.1945-5100.2007.tb00583.x] [Journal Article/Letter]
2007. "Experimental light scattering by fluffy aggregates of magnesiosilica, ferrosilica, and alumina cosmic dust analogs.", Astronomy and Astrophysics, 470 377 [Full Text] [10.1051/0004-6361:20066744] [Journal Article/Letter]
2007. "The oxygen isotope effect in the earliest processed solids in the solar system: Is it a chemical mass-independent process?.", Astronomy and Astrophysics, 467 919 [Full Text] [10.1051/0004-6361:20066925] [Journal Article/Letter]
2007. "The Disk and Environment of a Young Vega Analog: HD 169142.", The Astrophysical Journal, 665 1391 [Full Text] [10.1086/519757] [Journal Article/Letter]
2007. "What is the Driving Force to Form Refractory Oxide Grains? Silicate Spectra Depend on Their Formation Environment.", The Astrophysical Journal, 664 1253 [Full Text] [10.1086/519299] [Journal Article/Letter]
2007. "Light scattering by fluffy Mg Fe SiO and C mixtures as cometary analogs (PROGRA2 experiment).", Icarus, 190 660 [Full Text] [10.1016/j.icarus.2007.03.010] [Journal Article/Letter]
2006. "Photoelectric Emission Measurements on the Analogs of Individual Cosmic Dust Grains.", The Astrophysical Journal, 645 (1): 324-336 [10.1086/504281] [Journal Article/Letter]
2006. "Formation of TiC-core graphitic-mantle grains from CO gas.", Meteoritics and Planetary Sciences, 41 673 - 680 [Journal Article/Letter]
2006. "The vapor pressure of palladium from 1473K to 1973K.", J Chem Engin Data, 51 1509 – 1515 [Journal Article/Letter]
2006. "Deep Metastable Eutectic Condensation in Al-Fe-SiO-O2-H2 Vapors: Implications for Natural Fe-Aluminosilicates.", Am Min, 91 1688 – 1698 [Journal Article/Letter]
2006. "Experimental Studies of the Vapor-Phase Nucleation of Refractory Compounds: VI The Condensation of Sodium.", J Chem Phys, 123 54323 [Journal Article/Letter]
2006. "Crystalline silicates in comets: How did they form?.", Icarus, 180 243 [Full Text] [10.1016/j.icarus.2005.09.003] [Journal Article/Letter]
2006. "A Mechanism for the Equilibrium Growth of Mineral Crystals in AGB Stars and Red Giants on 105 yr Timescales.", The Astrophysical Journal, 644 1164 [Full Text] [10.1086/503700] [Journal Article/Letter]
2006. "Formation of TiC core-graphitic mantle grains from CO gas.", Meteoritics, vol 41, Issue 5, p673-680, 41 673 [Full Text] [10.1111/j.1945-5100.2006.tb00983.x] [Journal Article/Letter]
2006. "Silicates Do Nucleate in Oxygen-rich Circumstellar Outflows: New Vapor Pressure Data for SiO.", The Astrophysical Journal, 649 1178 [Full Text] [10.1086/506264] [Journal Article/Letter]
2006. "Kinetics of Phyllosilicate Formation in Hydrated Magnesiosilicate Smokes.", Meteoritics & Planetary Science, Vol 41, Supplement, Proceedings of 69th Annual Meeting of the Meteoritical Society, held August 6-11, 2006 in Zurich, Switzerland, p5166, 41 5166 [Full Text] [Journal Article/Letter]
2006. "Variety of Refractory Oxide Grains Depend on Formation Environments.", Meteoritics & Planetary Science, Vol 41, Supplement, Proceedings of 69th Annual Meeting of the Meteoritical Society, held August 6-11, 2006 in Zurich, Switzerland, p5122, 41 5122 [Full Text] [Journal Article/Letter]
2005. "Resolving the Inner Cavity of the HD 100546 Disk: A Candidate Young Planetary System?.", The Astrophysical Journal, 620 470 [Full Text] [10.1086/426887] [Journal Article/Letter]
2005. "Is the 21 Micron Feature Observed in Some Post-AGB Stars Caused by the Interaction between Ti Atoms and Fullerenes?.", The Astrophysical Journal, 632 L159 [Full Text] [10.1086/497987] [Journal Article/Letter]
2005. "Synthesizing Organics Using Amorphous Mg- and Fe- Silicate Grains.", Meteoritics & Planetary Science, Vol 40, Supplement, Proceedings of 68th Annual Meeting of the Meteoritical Society, held September 12-16, 2005 in Gatlinburg, Tennessee, p5242, 40 5242 [Full Text] [Journal Article/Letter]
2005. "A New Paradigm for Organic Chemistry in Nebulae: Protostars as Chemical Factories.", Meteoritics & Planetary Science, Vol 40, Supplement, Proceedings of 68th Annual Meeting of the Meteoritical Society, held September 12-16, 2005 in Gatlinburg, Tennessee, p5065, 40 5065 [Full Text] [Journal Article/Letter]
2005. "Laboratory Synthesized Calcium Oxide and Calcium Hydroxide Grains: A Candidate to Explain the 68 μm Band.", The Astrophysical Journal, 630 637 [Full Text] [10.1086/431965] [Journal Article/Letter]
2004. "Thermogravimetric Measurement of the Iron Vapor Pressure from 1575K to 1975K.", J Chem Engin Data, 49 497 - 501 [Journal Article/Letter]
2004. "Laboratory hydration of condensed magnesiosilica smokes with implications for hydrated silicates in IDPs and comets.", Meteoritics & Planetary Science, Vol 39, No 5, p723-746, 39 723 [Full Text] [10.1111/j.1945-5100.2004.tb00115.x] [Journal Article/Letter]
2004. "Planetary accretion, oxygen isotopes, and the central limit theorem.", Meteoritics & Planetary Science, Vol 39, No 12, p1957-1965, 39 1957 [Full Text] [Journal Article/Letter]
2003. "Zinc Crystal Growth in Microgravity.", The Astrophysical Journal, 590 579 [Full Text] [10.1086/374918] [Journal Article/Letter]
2003. "Fischer-Tropsch Type Synthesis of Organics Using Iron-Silicate Grains.", Meteoritics & Planetary Science, vol 38, Supplement, abstract no5124, 38 5124 [Full Text] [Journal Article/Letter]
2003. "Did Organic Compounds in the Tagish Lake Meteorite Form Via Catalytic Processes in the Solar Nebula and Within Parent Bodies?.", Meteoritics & Planetary Science, vol 38, Supplement, abstract no5038, 38 5038 [Full Text] [Journal Article/Letter]
2003. "The Catalytic Potential of Cosmic Dust: Implications for Prebiotic Chemistry in the Solar Nebula and Other Protoplanetary Systems.", Astrobiology, 3 291 [Full Text] [10.1089/153110703769016389] [Journal Article/Letter]
2003. "Radiation Pressure, Long-Term Stability and the Growth of Large Silicon Carbide Crystals.", Meteoritics & Planetary Science, vol 38, Supplement, abstract no5242, 38 5242 [Full Text] [Journal Article/Letter]
2002. "Gas-to-Solid Condensation in a Mg-SiO-H2-O2 Vapor: Metastable Eutectics in the MgO – SiO2 Phase Diagram.", J Chem Phys, 4 546-551 [Journal Article/Letter]
2002. "Amorphous Magnesiosilicate Smokes Annealed in Vacuum: The Evolution of Magnesium Silicates in Circumstellar and Cometary Dust.", Icarus, 156 269 [Full Text] [10.1006/icar.2001.6762] [Journal Article/Letter]
2002. "Condensation processes in astrophysical environments: The composition and structure of cometary grains.", Meteoritics & Planetary Science, vol 37, no 11, pp 1579-1590 (2002), 37 1579 [Full Text] [10.1111/j.1945-5100.2002.tb00812.x] [Journal Article/Letter]
2002. "Experimental Determination of the Vapor-to-Crystal Condensation Efficiency for Zinc Metal.", Meteoritics & Planetary Science, vol 37, Supplement, pA111, 37 111 [Full Text] [Journal Article/Letter]
2002. "Aqueous Alteration of Circumstellar Silicate Dust Analogs: Crystallization of Mineral Products.", Meteoritics & Planetary Science, vol 37, Supplement, pA64, 37 64 [Full Text] [Journal Article/Letter]
2001. "The Lack of Chemical Equilibrium Does Not Preclude the Use of Classical Nucleation Theory in Circumstellar Outflows.", Astrophysical Journal (Letters), 737 L6 [Journal Article/Letter]
2001. "Constraints on Nebular Dynamics Based on Observations of Annealed Magnesium Silicate Grains in Comets and in Disks Around Herbig Ae and Be Stars.", Proc Natl Acad Sci, 98 2182-2187 [Journal Article/Letter]
2001. "The Effect of Carrier Gas Pressure and Wall Heating on the Operation of the Thermal Diffusion Cloud Chamber.", J Chem Phys, 115 10829 - 10836 [Journal Article/Letter]
2001. "Application of Scaled Nucleation Theory to Metallic Vapor Condensation.", J Chem Phys, 115 310 - 316 [Journal Article/Letter]
2001. "Condensation Processes in Astrophysical Environments: The Composition and Structure of Cometary Grains.", Meteoritics & Planetary Science, vol 36, Supplement, pA151, 36 151 [Full Text] [Journal Article/Letter]
2001. "Catalytic Studies on Nebular Dust Analogs: Successful Production of Ammonia Via a Haber-Bosch Type Synthesis.", Meteoritics & Planetary Science, vol 36, Supplement, pA81, 36 81 [Full Text] [Journal Article/Letter]
2001. "Mössbauer Spectra of Circumstellar Silicate Dust Analogues Hydrated During Use as a Fischer-Tropsch Catalyst.", Meteoritics & Planetary Science, vol 36, Supplement, pA81, 36 81 [Full Text] [Journal Article/Letter]
2001. "How Were the Comets Made?.", American Scientist, vol 89, Issue 3, p228, 89 228 [Full Text] [10.1511/2001.3.228] [Journal Article/Letter]
2000. "Formation of Carbon Compounds by Catalytic Conversion of CO on Laboratory Grain Analogs Containing Iron.", Icarus, 145 297-300 [Journal Article/Letter]
2000. "Laboratory Studies of Silicate Smokes: Analog Studies of Circumstellar Materials.", J Geophys Res- Space Physics, 105 10387-10396 [Journal Article/Letter]
2000. "Experimental Studies of the Vapor-Phase Nucleation of Refractory Compounds: V The Condensation of Lithium.", J Chem Phys, 113 4093 - 4102 [Journal Article/Letter]
2000. "Determining the Ages of Comets from the Fraction of Crystalline Dust.", Nature, 406 275 - 276 [Journal Article/Letter]
2000. "Vapor Transport Within the Thermal Diffusion Cloud Chamber.", J Chem Phys, 113 7398 - 7405 [Journal Article/Letter]
2000. "Metastable Eutectic Equilibrium Brought Down to Earth.", EOS 81, 409 414-415 [Journal Article/Letter]
2000. "Metastable Eutectic Equilibrium in Natural Environments: Recent Developments and Research Opportunities.", Research Trends in Geochemistry, 1 30 - 51 [Journal Article/Letter]
2000. "Collected Extraterrestrial Materials: Constraints on Meteor and Fireball Compositions.", Earth, Moon, and Planets, v 82/83, p 325-350 (1998), 82 325 [Full Text] [Journal Article/Letter]
2000. "Laboratory studies of silicate smokes: Analog studies of circumstellar materials.", Journal of Geophysical Research, 105 10387 [Full Text] [10.1029/1999JA900432] [Journal Article/Letter]
2000. "NOTE: Laboratory Studies of Catalysis of CO to Organics on Grain Analogs.", Icarus, 145 297 [Full Text] [10.1006/icar.2000.6350] [Journal Article/Letter]
2000. "Evolving Optical Properties of Annealing Silicate Grains: From Amorphous Condensate to Crystalline Mineral.", The Astrophysical Journal, 535 247 [Full Text] [10.1086/308810] [Journal Article/Letter]
2000. "Determining the ages of comets from the fraction of crystalline dust.", Nature, 406 275 [Full Text] [Journal Article/Letter]
2000. "Planetary Accretion, Oxygen Isotopes, and the Central Limit Theorem.", Meteoritics & Planetary Science, vol 35, Supplement, pA121, 35 121 [Full Text] [Journal Article/Letter]
2000. "Nebular Hydrocarbon Synthesis in the Laboratory: The Catalytic Potential of Synthetic Silicate Dust.", Meteoritics & Planetary Science, vol 35, Supplement, pA73, 35 73 [Full Text] [Journal Article/Letter]
1999. "Nanoscale Phase Equilibrium in a Triggered Lightning Strike Experiment.", European Journal of Mineralogy, 11 181-186 [Journal Article/Letter]
1999. "The Influence of Buoyant Convection on the Operation of the Upward Thermal Diffusion Cloud Nucleation Chamber.", J Chem Phys 111 8013 - 8021, [Journal Article/Letter]
1999. "Formation of Single-Domain Iron Particles via Vapor-Phase Nucleation: Implications for the Solar Nebula.", Icarus 139, 139 367 - 373 [Journal Article/Letter]
1999. "Metastable Eutectic, Gas-to-Solid Condensation in the FeO – Fe2O3 – SiO2 System.", Phys Chem Chem Phys, 1 1511 - 1516 [10.1039/A900053D] [Journal Article/Letter]
1999. "Metastable Eutectic Condensation in a Mg-Fe-SiO-H2-O2 Vapor: Analogs to Circumstellar Dust.", Astrophys J, 527 395 - 404 [10.1086/308080] [Journal Article/Letter]
1998. "Infrared Observations of the Transition from Chaotic to Crystalline Silicates via Thermal Annealing in the Laboratory.", Astrophys Space Sci , 255 427-433 [Journal Article/Letter]
1998. "Mid-Infrared Spectral Evolution of Magnesium Silicate Smokes Annealed in Vacuum: Comparison to Cometary Spectra.", Icarus, 131 198-209 [Journal Article/Letter]
1998. "A Nucleation Experiment in Low Gravity Conditions: Monitoring and Collection of Mg and Zn Particles.", Adv Space Res, 24 1273 - 1277 [Journal Article/Letter]
1997. "Is SiS2 the Carrier of the Unidentified 21 Micron Emission Feature?.", Astron Astrophys , 328 419-425 [Journal Article/Letter]
1997. "Non-Boltzmann Vibrational Distributions in Homonuclear Diatomic Molecules and Ions.", Mon Not Roy Astr Soc, 288 286-294 [Journal Article/Letter]
1997. "Can the Red Rectangle Molecular Emission Bands Be Assigned to C3 ?.", Astrophys Space Sci , 249 143 - 149 [Journal Article/Letter]
1996. "Experimental Studies of the Vapor Phase Nucleation of Refractory Compounds IV The Condensation of Magnesium.", J Chem Phys , 104 3205-3210 [Journal Article/Letter]
1996. "Infrared Spectra of Proton Irradiated Ices Containing Methanol.", Plan Space Sci, 44 927-935 [Journal Article/Letter]
1996. "Observation of the Spin-Forbidden Cameron Bands of CO in the UV Emission Spectrum of the Red Rectangle.", Ap J (Lett), 467 L109-L112 [Journal Article/Letter]
1995. "Magnetically Enhanced Coagulation of Very Small Iron Grains: A Correction to the Enhancement Factor due to Dipole-Dipole Interactions.", Icarus, 117 431-434 [Journal Article/Letter]
1995. "A Molecule of the Form CH2X May Be Responsible for Many of the Diffuse Interstellar Bands: A Discussion of Thioformaldehyde.", PASP, 107 453-461 [Journal Article/Letter]
1994. "Magnetically Enhanced Coagulation of Very Small Iron Grains.", Icarus, 107 155-163 [Journal Article/Letter]
1994. "Infrared Spectra of Crystalline Phase Ices Condensed on Silicate Smokes at T<20K.", ApJ Letters, 428 L81-L84 [Full Text] [Journal Article/Letter]
1993. "Nucleation of Solids from the Gas Phase.", Ceramic Transactions, 30 23 [Journal Article/Letter]
1993. "Microgravity Nucleation of Refractory Materials: Modeling of Transport Processes in the Nucleation Chamber.", Chem Engin Comm, 125 63-76 [Journal Article/Letter]
1992. "Trapping of Noble Gases in Proton-Irradiated Silicate Smokes.", Meteoritics, 27 555 [Journal Article/Letter]
1992. "The SiH Vibrational Fundamental as an Indicator of the Oxidation State of Silicon is in an Asteroidal or Cometary Regolith.", Icarus, 98 207 [Journal Article/Letter]
1992. "Supernovae as Sources of Interstellar Diamond.", Astrophys Space Sci 196, 117 [Journal Article/Letter]
1991. "Tridymite and Maghemite Formation in an Fe-SiO Smoke.", Proc 21st Lun Plan Sci Conf (LPI Houston), 591 - 599 [Journal Article/Letter]
1991. "The SiH Vibrational Stretch as an Indicator of the Chemical State of Interstellar Grains.", Ap J (Lett), 373 L31 [Journal Article/Letter]
1990. "The Formation and Annealing of Circumstellar Dust as Gauged by IRAS Low Resolution Spectra and Microwave Maser Chronology.", Ap J (Lett), 350. L45 [Journal Article/Letter]
1990. "Processes Affecting the Composition and Structure of Silicate Grains in Cometary Nuclei.", Earth, Moon and Planets, 47 (33): [Journal Article/Letter]
1990. "Signatures of Aging Silicate Dust.", Astrophys Space Sci, 163 79 [Journal Article/Letter]
1989. "Laboratory Experiments on Carbonaceous Material as a Source for the Red Rectangle Visual Emissions.", Astrophysical Journal, 336 838-842 [Journal Article/Letter]
1989. "Laboratory Experiments Suggesting a Fluorescent Source for the Red Rectangle Visual Emission.", Astrophys J, 336 838 [Journal Article/Letter]
1989. "Oxygen Isotopic Fractionation in the Condensation of Refractory Smokes.", Proc 19th Lun Plan Sci Conf (LPI, Houston) p. 559 [Journal Article/Letter]
1989. "Proton Irradiation of SiH4-Fe(CO) 5-H2O Ices: Production of Refractory Silicates and Implications for the Solar Nebula.", Proc 19th Lun Plan Sci Conf (LPI, Houston) p. 565 [Journal Article/Letter]
1989. "CO Formation in the Metal-Rich Ejecta of SN 1987A.", Ap J (Lett) 342, 406 [Journal Article/Letter]
1989. "Analysis of Experimental Nucleation Data for Silver and SiO using Scaled Nucleation Theory.", J Chem Phys 91, 4314 [Journal Article/Letter]
1988. "Experimental Studies of Circumstellar, Interstellar and Interplanetary Refractory Grains Analogs.", Kluwer Acad. Pub, 191-207 [Book]
1988. "SiH and the Unidentified 46 Micron Feature.", Ap J (Lett), 329 L113 [Journal Article/Letter]
1987. "Are Small Diamonds Thermodynamically Stable in the Interstellar Medium.", Astrophys Space Sci, 139 103 [Journal Article/Letter]
1987. "SiO Cooling Instability in the Envelopes of Cool Giant Stars.", Astrophys J (Lett), 315 L141 [Journal Article/Letter]
1987. "A Kinetic Study of the Hydrous Alteration of Amorphous MgSiO Smokes: Implications for Cometary Particles and Chondrite Matrix.", Proc 17th Lun Plan Sci Conf J Geophys Res , Red ( 92): E657 [Journal Article/Letter]
1987. "Small Particle Physics and Interstellar Diamonds.", Nature, 329 589 [Journal Article/Letter]
1986. "Analytical Electron Microscopy of Mg-SiO Smokes: A Comparison with Infrared and XRD Studies.", Icarus, 66 211 - 222 [Journal Article/Letter]
1986. "Hydrous Alteration of Amorphous Silicate Smokes: First Results.", Proc 16th Lun Plan Sci Conf in J Geophys Res, Red (91): D533 [Journal Article/Letter]
1986. "Experimental Studies of the Vapor Phase Nucleation of Refractory Compounds: III The Condensation of Silver.", J Chem Phys, 85 1116 [Journal Article/Letter]
1986. "Refractory Grain Processing in Circumstellar Shells: Diagnostic Infrared Signatures.", Astrophys J (Letters), 310 L83 [Journal Article/Letter]
1986. "An Analysis of Refractory Silicate Nucleation via the Theory of the Physical Spinodal.", J Chem Phys, 85 5380 [Journal Article/Letter]
1985. "Meteoritic Evidence that Graphitic Carbon is Rare in the ISM:.", Nature, 318 166 [Journal Article/Letter]
1985. "Laboratory Infrared Spectra of Predicted Condensates in Carbon-rich Stars and the Unidentified 30 Micron Feature.", Astrophys J (Letters), 290 L41 [Journal Article/Letter]
1985. "Does Nucleation Theory Apply to the Formation of Refractory Circumstellar Grains?.", Astrophys J, 288 187 - 190 [Journal Article/Letter]
1985. "The Effects of Multiquantum Transitions on Molecular Populations in Grain-Forming Circumstellar Environments.", Astrophys. J., 293 (463): [Journal Article/Letter]
1984. "On A Vibronic Origin for the Diffuse Band Spectrum: Reply to the Comments of Duley.", Astrophys Space Sci, 103 353 [Journal Article/Letter]
1984. "Thermal Metamorphism of Si2O3 (A Circumstellar Dust Analog).", J Geophys Res Red Supplement, 89 B657. [Journal Article/Letter]
1983. "On a Vibronic Origin for the Diffuse Band Spectrum.", Astrophys Space Sci, 95 209 [Journal Article/Letter]
1983. "Laboratory Studies of the Condensation and Properties of Amorphous Silicate Smokes.", J Geophys Res Red Supplement, 88 A847 [Journal Article/Letter]
1983. "Experimental Studies of the Vapor Phase Nucleation of Refractory Compounds: II The Condensation of an Amorphous Magnesium Silicate.", J Chem Phys, 78 1618 [Journal Article/Letter]
1983. "A Note on the Composition and Structure of Interstellar Grains.", Astrophys Space Sci, 95 175 [Journal Article/Letter]
1982. "Experiments and Calculations on the Extinction of Starlight by Small Iron and Magnetite Grains.", Astrophys J, 258 878 [Journal Article/Letter]
1982. "Laboratory Measurements of Amorphous Silicate Smokes and the Infrared Spectra of Oxygen Rich Stars.", Astrophys J (Lett), 257 L103 [Journal Article/Letter]
1982. "Experimental Studies of the Vapor Phase Nucleation of Refractory Compounds: I The Condensation of SiO.", J Chem Phys, 77 2639 [Journal Article/Letter]
1982. "The Vacuum Ultraviolet Spectra of HCN, C2N2 and CH3CN.", J Quant Spectrosc Rad Trans, 28 223 [Journal Article/Letter]
1981. "Vibrational Disequilibrium in Low Pressure Clouds.", Astrophys J, 247 925 [Journal Article/Letter]
1981. "The Formation of Cosmic Dust Grains: An Experimental and Theoretical Study.", Surface Science, 106 576 [Journal Article/Letter]
1979. "Vacuum Ultraviolet Chemiluminescence in the Flash Photolysis of Carbon Suboxide.", J Photochem, 11 121 [Journal Article/Letter]
Non-Refereed
2015. "Investigations of short warning time response options for hazardous near-Earth objects.", 2015 IEEE Aerospace Conference, 1-12 [10.1109/aero.2015.7118960] [Proceedings]
2006. "Trapping Noble Gases in Fullerenes.", Meteoritics & Planetary Science, Vol 41, Supplement, Proceedings of 69th Annual Meeting of the Meteoritical Society, held August 6-11, 2006 in Zurich, Switzerland, p5154, 41 5154 [Full Text] [Journal Article/Letter]
2004. "Thermogravimetric Measurement of the Vapor Pressure of Silicon Monoxide from 1300K to 1773K Using an Alumina Effusion Cell.", Meteoritics & Planetary Science, vol 39, Supplement Proceedings of the 67th Annual Meeting of the Meteoritical Society, August 2-6, 2004, Rio de Janeiro, Brazil, abstract no5177, 39 5177 [Full Text] [Journal Article/Letter]
2003. "Experimental astromineralogy: Circumstellar ferromagnesio-silica dust in analogs and natural samples.", J. A. COSPAR Colloquia Series, 15 333-342 [Proceedings]
2003. "Measurements of Nickel Vapor Pressure at High Temperature.", Meteoritics & Planetary Science, vol 38, Supplement, abstract no5189, 38 5189 [Full Text] [Journal Article/Letter]
2000. "Nucleation, Growth, Annealing and Coagulation of Refractory Oxides and Metals: Recent Experimental Progress and Applications to Astrophysical Systems.", Thermal Emission Spectroscopy and Analysisof Dust, Disks, and Regoliths, 196 313-332 [Proceedings]
1999. ""Interstellar and Interplanetary Grains: Recent Developments and New Opportunities for Experimental Chemistry.", Chap.7 in "LABORATORY ASTROPHYSICS AND SPACE RESEARCH", 236 143-182 [Book]
1996. "Grain Formation and Metamorphism.", Invited Chapter in International School of Space Chemistry: The Cosmic Dust Connection, 205-221 [Article in Book]
1988. "Astrophysical Implications of Pre-Solar Grains.", Chapter 133 in Meteorites and the Early Solar System, 984 [Article in Book]
1988. "Trapping Ne Ar Kr and Xe in Si2O3 Smokes.", Proc. 18th Lun. Plan. Sci. Conf., 631-635 [Proceedings]