The Cosmic Ice Laboratory

Dr. Marla Moore Astrochemistry Laboratory, Code 691 NASA Goddard Space Flight Center Greenbelt, MD 20771 Office Phone: (301) 286-9031 Marla.H.Moore@nasa.gov

Astrophysicist - Emeritus, Astrochemistry Laboratory
Solar System Exploration Division, NASA Goddard Space Flight Center

UV-Visible and Mid-Infrared and Far-Infrared Spectroscopy of Ices; Mass Spectrometry; Ion Irradiation of Planetary, Interplanetary, and Interstellar Type Ices and porous Grain Analogs, Low Temperature Analysis of Complex Condensed and Ion Irradiated Materials

1981 - PhD., Astronomy, University of Maryland
1967 - M.S., Physics, Catholic University of America
1962 - B.S., Physics, Pennsylvania State University

1991-2010, Astrophysicist, Astrochemistry Branch, NASA Goddard Space Flight Center

1984-1987 and 1988-1991, Research Associate, University of Maryland, Laboratory for Extraterrestrial Physics, NASA Goddard Space Flight Center

1981-1984, NAS/NRC Resident Research Associate, Laboratory for Extraterrestrial Physics, NASA Goddard Space Flight Center

1977-1981, Research Assistant, Astronomy, University of Maryland

1969-1974, Adjunct Professor in Astronomy, Montgomery College, Takoma Park, MD

1962-1969, Aerospace Engineer, Thermal Systems Branch, NASA Goddard Space Flight Center

American Astronomical Society - Division of Planetary Science
Astronomical Society of the Pacific

Loeffler, M., Hudson, R.L., Moore, M. H., and Carlson, R. W. (2011). Radiolysis of Sulfuric Acid, Sulfuric Acid Monohydrate, and Sulfuric Acid Tetrahydrate and its Relevance to Europa. Icarus, 215, 370-380. PDF

Moore, M. H., Ferrante, R. F., Moore, W. J., and Hudson, R. L. (2010). Infrared Spectra and Optical Constants of Nitrile Ices Relevant to Titan's Atmosphere. Astrophysical Journal - Supplement, 191, 96-112.

Cooper, P. D., Moore, M. H., and Hudson, R. L. (2010). O-atom Production in Water Ice: Implications for O₂ Formation on Icy Satellites. J. Geophys. Res.. 115, E10013.

Peeters, Z., Hudson, R.L., Moore, M.H., and Lewis, A. (2010). The Formation and Stability of Carbonic Acid on Outer Solar System Bodies. Icarus, 210, 480-487.

Hudson, R. L., Lewis, A. S., Moore, M. H., Dworkin, J. P., and Martin, M. P. (2009). Enigmatic Isovaline: Investigating the Stability, Racemization, and Formation of a Non-Biological Meteoritic Amino Acid. Chapter in Bioastronomy 2007: Molecules, Microbes, and Extraterrestrial Life, Astronomical Society of the Pacific.

Carlson, R. W., Calvin, W. M., Dalton, J. B., Hansen, G. B., Hudson, R. L., Johnson, R. E., McCord, T. B., and Moore, M. H. (2009). Europa's Surface Composition. Chapter in Europa, University of Arizona Press.

Hudson, R. L., Moore, M. H., and Raines, L. L. (2009). Ethane Ices in the Outer Solar System: Spectroscopy and Chemistry. Icarus, 203, 677-680.

Hudson, R. L., Moore, M. H., Dworkin, J. P., Martin, M. P., and Pozun, Z. D. (2008). Amino Acids from Ion-Irradiated Nitrile-Containing Ices. Astrobiology, 8, 771-779.

Ferrante, R. F., Moore, M. H., Spiliotis, M. M., and Hudson, R. L. (2008). Formation of Interstellar OCS: Radiation Chemistry and IR Spectra of Precursor Ices. Astrophysical Journal, 684, 1210-1220. PDF

Hudson, R. L., Palumbo, M. E, Strazzulla, G., Moore, M. H., Cooper, J., and Sturmer, S. J. (2008). Laboratory Studies of the Chemistry of TNO Surface Materials. Chapter in The Solar System Beyond Neptune, University of Arizona Press. PDF

Cooper, P. D., Moore, M. H., and Hudson, R. L. (2008). Radiation Chemistry of H₂O + O₂ Ices. Icarus, 194, 379-388. PDF

Moore, M. H., Ferrante, R. F., Hudson, R. L., and Stone, J. N. (2007). Ammonia - Water Ice Laboratory Studies Relevant to Outer Solar System Surfaces. Icarus, 190, 260-273. PDF

Moore, M. H., Hudson, R. L., and Carlson, R. W. (2007). The Radiolysis of SO₂ and H₂S in Water Ice: Implications for the Icy Jovian Satellites. Icarus, 189, 409-423. PDF

Cooper, P. D., Moore, M. H., and Hudson, R. L. (2006). Infrared Detection of HO₂ and HO₃ Radicals in Water Ice. J. Phys. Chem. A, 110, 7985-7988. PDF

Hudson, R. L. and Moore, M. H. (2006). Infrared Spectra and Radiation Stability of H₂O₂ Ices Relevant to Europa. Astrobiology, 6, 483-489. PDF

Moore, M. H. and Hudson, R. L. (2006). Production of Complex Molecules in Astrophysical Ices. Astrochemistry: Recent Successes and Current Challenges, Proceedings IAU Sym. 231, Cambridge University Press, pp. 247-260. PDF

Hudson, R. L., Khanna, R. K., and Moore, M. H. (2005). Laboratory Evidence for Solid-Phase Protonation of HNCO in Interstellar Ices. Astrophysical Journal - Supplement Series, 159, 277-281. PDF

Hudson, R. L., Moore, M. H., and Cook, A. M. (2005). IR Characterization and Radiation Chemistry of Glycolaldehyde and Ethylene Glycol Ices. Advances in Space Research, 36, 184-189. PDF

Ruiterkamp, R., Peeters, Z., Moore, M. H., Hudson, R. L., and Ehrenfreund, P. (2005). A Quantitative Study of Proton Irradiation and UV Photolysis of Benzene in Interstellar Environments. Astronomy & Astrophysics , 440, 391-402. PDF

Colangeli, L., Brucato, J. R., Bar-Nun, A., Hudson, R. L., and Moore, M. H. (2005). Laboratory Experiments on Cometary Materials. Chapter in Comets II, University of Arizona Press, pp. 695-717. PDF

Hudson, R. L. and Moore, M. H. (2004). Reactions of Nitriles in Ices Relevant to Titan, Comets, and the Interstellar Medium: Formation of Cyanate Ion, Ketenimines, and Isonitriles. Icarus, 172, 466-478. PDF

Gerakines, P. A., Moore, M. H., and Hudson, R. L. (2004). Ultraviolet Photolysis and Proton Irradiation of Astrophysical Ice Analogs Containing Hydrogen Cyanide. Icarus, 170, 204-213. PDF

Moore, M. H., Hudson, R. L., and Ferrante, R. F. (2003). Radiation Products in Processed Ices Relevant to Edgeworth-Kuiper-Belt Objects. Earth, Moon, and Planets, 92, 291-306. PDF

Cottin, H., Moore, M. H., and Benilan, Y. (2003). Photodestruction of Relevant Interstellar Molecules in Ice Mixtures. Astrophysical Journal, 590, 874-881. PDF

Hudson, R. L. and Moore, M. H. (2003). Solid-Phase Formation of Interstellar Vinyl Alcohol. Astrophysical Journal, 586, L107-L110. PDF

Moore, M. H. and Hudson, R. L. (2003). Infrared Study of Ion-Irradiated N₂-Dominated Ices Relevant to Triton and Pluto: Formation of HCN and HNC. Icarus, 161, 486-500. PDF

Hudson, R. L. and Moore, M. H. (2002). The N₃ Radical as a Discriminator Between Ion-Irradiated and UV-Photolyzed Astronomical Ices. Astrophysical Journal, 568, 1095-1099. PDF

Lowenthal, M. S., Khanna, R. K., and Moore, M. H. (2002). Infrared Spectrum of Solid Isocyanic Acid (HNCO): Vibrational Assignments and Integrated Band Intensities. Spectrochimica Acta, 58, 73-78. PDF

Gerakines, P. A. and Moore, M. H. (2001). Carbon Suboxide in Astrophysical Ice Analogs. Icarus, 154, 372-380. PDF

Gerakines, P. A., Moore, M. H., and Hudson, R. L. (2001). Energetic Processing of Laboratory Ice Analogs: UV Photolysis vs. Ion Bombardment. JGR-Planets, 106, 33381-33386. PDF

Hudson, R. L,. Moore, M. H., and Gerakines, P. A. (2001). Radiation Chemical Alterations in Solar System Ices: An Overview. JGR-Planets, 106, 33275-33284. PDF

Cottin, H., Szopa, C., and Moore, M. H. (2001). Production of Hexamethylenetetramine in Photolyzed and Irradiated Interstellar Cometary Ice Analogs. Astrophysical Journal Letters, 561, L139-L142. PDF

Hudson, R. L., Moore, M. H., and Gerakines, P. A. (2001). The Formation of Cyanate Ion (OCN^-) in Interstellar Ice Analogues. Astrophysical Journal, 550, 1140-1150. PDF

Moore, M. H., Hudson, R. L., and Gerakines, P. A. (2001). Mid- and Far-Infrared Spectroscopic Studies of the Influence of Temperature, UV Photolysis and Ion Bombardment on Cosmic-Type Ices. Spectrochimica Acta, 57A, 843-858. PDF

Gerakines, P. A., Moore, M. H., and Hudson, R. L. (2000). Carbonic Acid Production in H₂O + CO₂ Ices: UV Photolysis vs. Proton Bombardment. Astronomy & Astrophysics, 357, 793-800 PDF

Hudson, R. L. and Moore, M. H. (2000). New Experiments and Interpretations Concerning the OCN^- Band in Interstellar Ice Analogues. Astronomy & Astrophysics, 357, 787-792. PDF

Hudson, R. L. and Moore, M. H. (2000). IR Spectra of Irradiated Cometary Ice Analogues Containing Methanol: A New Assignment, A Reassignment, and a Non-Assignment. Icarus, 145, 661-663. PDF

Moore, M. H. and Hudson R. L. (2000). IR Detection of H₂O₂ at 80 K in Ion-Irradiated Laboratory Ices Relevant to Europa. Icarus, 145, 282-288. PDF

Ferrante, R. F., Moore, M. H., Nuth III, J. A., and Smith, T. (2000). Formation of Carbon Compounds by Catalytic Conversion of CO on Laboratory Grain Analogs Containing Iron. Icarus, 145, 297-300. PDF