The Cosmic Ice Laboratory

The Cosmic Ice Laboratory

Photo of Reggie Hudson

Dr. Reggie Hudson

Astrochemistry Laboratory, Code 691
NASA Goddard Space Flight Center
Greenbelt, MD 20771

Office Phone:
(301) 286-6961

Present Positions

Associate Chief, Astrochemistry Laboratory, NASA Goddard Space Flight Center
Lecturer, Department of Astronomy, University of Maryland
Emeritus Professor of Chemistry, Eckerd College


1978 - Ph.D., Physical Chemistry, University of Tennessee
1974 - A.B., Chemistry and Mathematics, Pfeiffer University (Misenheimer, NC)

Research Areas

Chemistry and physics of cosmic ices (cometary, icy satellite, and interstellar)
Radiation chemistry and photochemistry applied to astrochemical problems
Molecular spectroscopy, especially as applied to free radical structure and reactions

Teaching Areas

Courses in physical chemistry, astrobiology, and astronomy
Courses in introductory chemistry and in the history and methods of science
Courses in Eckerd College's Honors Program (served as program's first director)

Professional Societies

American Chemical Society: Chemical Education, Physical Chemistry, and History of Chemistry Divisions
Royal Society of Chemistry (U.K.): Education, History of Chemistry, and Faraday Divisions
American Astronomical Society: Division for Planetary Sciences
American Geophysical Union: Planetary Sciences Section
International Astronomical Union
Sigma Xi (Life Member)
American Association of University Professors

Recent Professional Activities

Member of the astrobiology team at NASA's Goddard Space Flight Center
Manuscript reviewer for Journal of the American Chemical Society, Chemical Physics, Chemical Physics Letters, Molecular Physics, Journal of Physical Chemistry, Journal of Chemical Education, The Astrophysical Journal, Planetary and Space Science, Astronomy & Astrophysics, Icarus, Astrobiology, Origins of Life and Evolution of Biospheres, Journal of Geophysical Research - Planets, and Spectrochemica Acta
Proposal reviewer for NASA programs in planetary geology and geophysics, exobiology, outer planets, astrophysics research and analysis, and planetary atmospheres
Presentations at meetings of the NASA Astrobiology Institute, American Chemical Society, American Geophysical Union, and American Astronomical Society
Presentations at meetings of the Congress of Space Researchers (COSPAR)
Presentations at "Asteroids, Comets, and Meteors" meetings
Presentations at workshops on Kuiper-Belt objects (Paris), solid-state astrochemistry (Holland), outer planets (Boulder), space weathering (San Francisco), and solar-system ices (Maryland)

Selected Refereed Publications

"The Radiation Stability of Glycine in Solid CO2 - In situ Laboratory Measurements with Applications to Mars", P. A. Gerakines and R. L. Hudson, 2015, Icarus, 252, 472.

"Infrared Spectra and Optical Constants of Astronomical Ices: II. Ethane and Ethylene", R. L. Hudson, P. A. Gerakines, and M. H. Moore, 2014, Icarus, 243, 148-147.

"Infrared Spectra and Optical Constants of Astronomical Ices: I. Amorphous and Crystalline Acetylene", R. L. Hudson, R. F. Ferrante, and M. H. Moore, 2014, Icarus, 228, 276-287.

"Ketene Formation in Interstellar Ices: A Laboratory Study", R. L. Hudson and M. J. Loeffler, 2013, The Astrophysical Journal, 773, 773-782.

"Low-temperature Thermal Reactions between SO2 and H2O2 and their Relevance to the Jovian Icy Satellites", M. J. Loeffler and R. L. Hudson, 2013, Icarus, 224, 257-259.

"In-situ Measurements of the Radiation Stability of Amino Acids at 15 - 140 K", P. A. Gerakines, R. L. Hudson, M. H. Moore, and J-L Bell, 2012, Icarus, 220, 647-659.

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

"Thermally-Induced Chemistry and the Jovian Icy Satellites: A Laboratory Study of the Formation of Sulfur Oxyanions", M. Loeffler and R. L. Hudson, 2010, Geophysical Research Letters, 37, L19201.

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

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

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

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

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

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

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

"Astrochemistry Examples in the Classroom", R. L. Hudson, 2006. Journal of Chemical Education, 83, 1611-1615

Grant Support

Research - Continuous grant support from NASA for research from 1991 to the present; most recent grant support from NASA's Planetary Atmospheres, Outer Planets Research, Cassini Data Analysis, Planetary Geology and Geophysics, and Astrophysics Research and Analysis programs

Teaching - Support from the NSF Instrumentation Program and the Howard Hughes Medical Institute; numerous internal grants from Eckerd College

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