Eugene H. Levy

Books:

• Edited by E.H. Levy and J.I. Lunine "Protostars and Planets III; Volume in The Space Science Series.."  : 1596.

Other: 

• "The Dynamics of Hydromagnetic Bubbles and Double Radio Sources."  Astrophysical Journal, 164 (1971): 23-27.
  
  

• "Effectiveness of Cyclonic Turbulence for Producing the Geomagnetic Field,."  Astrophysical Journal, 171 (1972): 621-633.
  
  

• "Kinematic Reversal Schemes for the Geomagnetic Dipole,."  Astrophysical Journal, 171 (1972): 635-642.
  
  

• "On the State of the Geomagnetic Field and its Reversals",."  Astrophysical Journal, 175 (1972): 573-581.
  
  

• "A Magnetic Dynamo in the Moon.."  The Moon, 9 (1974): 49-56.
  
  

• "Magnetic Dynamo in the Moon: A Comparison with the Earth,."  Science, 178 (1972): 52-53.
  
  

• "Dynamical Stability of Stationary Dynamo Magnetic Fields,."  Astrophysical Journal, 187 (1974): 361-367.
  
  

• T.K. Gaisser and E.H. Levy "Astrophysical Implications of Cosmic-Ray Antiprotons."  Physical Review, D10 (1974): 1731-1735.
  
  

• E.H. Levy and W.K. Rose "Production of Magnetic Fields in the Interiors of Stars and Several Effects on Stellar Evolution."  Astrophysical Journal, 193 (1974): 419-427.
  
  

• E.H. Levy and W.K. Rose "Origin of Neutron-Star Magnetic Fields."  Nature, 250 (1974): 40-41.
  
  

• "Generation of Magnetic Fields in the Cosmos."  : 30-53.
  
  

• E.H. Levy, F.M. Ipavich, George Gloeckler "Possible Acceleration of Charged Particles Through the Reconnection of Magnetic Field Lines in Interplanetary Space,."  Geophysical Research Letters, 1 (1974): 145-148.
  
  

• "Origin of the Twenty-Year Wave in the Diurnal Variation."  Proceeding of the 14th International Cosmic-Ray Conference, 4 (1975): 1215-1221.
  
  

• E.H. Levy, S.P. Duggal and M.A. Pomerantz "A Model for the Accerlation of Particles Trapped Between Converging Shock Waves."  , 5 (1975): 1823-1829.
  
  

• E.H. Levy, S.P. Duggal and M.A. Pomerantz "Acceleration of Relativistic Cosmic Rays by Converging Interplanetary Shock Waves."  Journal of Geophysical Research, 81 (1976): 51-59.
  
  

• "Generation of Planetary Magnetic Fields."  Annual Reviews of Earth and Planetary Science, 4 (1976): 159-185.
  
  

• "Physical Basis of Geomagnetism and Geomagnetic Reversals."  , 29 (1976): 10-16.
  
  

• "Theory of the Solar-Magnetic-Cycle Wave in the Diurnal Variation of Energetic Cosmic Rays: Physical Basis of the Anisotropy."  Journal of Geophysical Research, 81 (1976): 2082-2088.
  
  

• "The Interplanetary Magnetic Field Structure."  Nature, 261 (1976): 394-395.
  
  

• E.H. Levy and J.R. Jokipii "Penetration of Interstellar Dust into the Solar System."  Nature, 264 (1976): 423-424.
  
  

• J.R. Jokipii, E.H. Levy and W.B. Hubbard "Effects of Particle Drift in Cosmic-Ray Transport.I. General Properties, Application to Solar Modulation."  Astrophysical Journal, 213 (1977): 861-868.
  
  

• J.R. Jokipii and E.H. Levy "Effects of Particle Drifts on the Solar Modulation of Galactic Cosmic Rays."  Astrophysical Journal, 213 (1977): L85-88.
  
  

• "The Cause of Forbush's 20-Year Wave-Reply."  Nature, 265 (1977): 664.
  
  

• "Magnetic Field Genreation at High Magnetic Reynolds Number."  Astrophysical Journal, 220 (1978): 325-329.
  
  

• "Global Dynamics of the Interstellar Gas, Magnetic Field, and Cosmic Rays,."  , 77 (1978): 57-65.
  
  

• P.A. Isenberg and E.H. Levy "Polar Enhancements of Interplanetary Lyman-x through Solar-Wind Asymmetries."  , 219 (1978): L59-62.
  
  

• E.H. Levy and C.P. Sonett "Meteorite Magnetism and Early Solar-System Magnetic Fields."  Protostars and Planets, T. Gehrels, ed. (1978): 516-532.
  
  

• "Magnetic Field in the Early Solar System."  Nature, 276 (1978): 481.
  
  

• "Origin of the Solar-Magnetic-Cycle Dependent Semiannual Variation in Galactic Cosmic-Ray Flux."  Geophysical Research Letters, 5 (1978): 969-972.
  
  

• "Dynamo Magnetic Field Generation."  Reviews of Geophysics and Space Physics (IUGG Quadrennial Report), 17 (1979): 277-281.
  
  

• "Planetary Dynamo Amplification of Ambient Magnetic Fields."  , 3 (1979): 2335-2342.
  
  

• J.R. Jokipii and E.H. Levy "Electric Field Effects on Galactic Cosmic Rays at the Heliosphere Boundary."  , 3 (1979): 52-56.
  
  

• "Local Effects of the Equatorial Neutral Sheet on Cosmic-Ray Motions in the Heliosphere."  , 3 (1979): 47.
  
  

• D. Boyer and E.H. Levy "Stationary Dynamo Magnetic Fields Produced By Latitudinally Nonuniform Rotation."  Astrophysical Journal, 247 (1981): 282-292.
  
  

• E.H.Levy and D. Boyer "Oscillatiing Dynamo in the Presence of a Fossil Magnetic Field. The Solar Cycle,."  Astrophysical Journal Letters, 254 (1982): L19-22.
  
  

• "Oscillating Dynamo Magnetic Field in the Presence of an External Nondynamo Field. The Influence of a Solar Primordial Field."  Astrophysical Journal, 277 (1984): 848-861.
  
  

• "Protostars & Planets: Overview from the Planetary Perspective."  Protostars and Planets, II(D.C. Black and M. Matthews, eds.; University of Arizona Press, Tucson (1985): 3.
  
  

• M.G. Kivelson; Prentice-Hall, ed. "The Generation of Magnetic Fields in Planets."   (1986): 289-310.
  
  

• E.H. Levy, G.D. Gatewood, J. Stein, and R.S. McMillan. "A Ten-Microarcsecond Astrometric Telescope to be Operated from the Space Station,."  , 628 (1986): 181.
  
  

• E.H. Levy, R.S. McMillan, M.W. Castelaz, G.D. Gatewood, I. Han, J.W. Stein, A. Buffington, D.C. Black, J. Dyer, K. Nishioka, and J.D. Scargle. "The Astrometric Telescope Facility."   (1987).
  
  

• J.W. Dyer, K. Nishioka, C.K. Sobeck, G.D. Gatewood and E.H. Levy. "Conceptual Design Considerations for the Astrometric Telescope Facility."   (1987).
  
  

• C.Huang, G.N. Lawrence, E.H. Levy and R.S. McMillan "Performance Analysis of the Multichannel Astrometer,."  , 818 (1987): 408.
  
  

• (G. Marx, ed.; D. Reidel: Boston) E.H. Levy, R.S. McMillan, G.D. Gatewood, J.W. Stein, M. Castelaz, A. Buffington, K. Nishioka and J.Scargle. "Discovery and Study of Planetary Systems Using Astrometry from Space."   (1988): 131-136.
  
  

• S. Debarbat, et. al., eds.: Kluwer Academic Publishers: Boston. G.D. Gatewood, M.W. Castelaz, J.W. Stein, E.H. Levy, R.S. McMillan, K. Nishioka and J.D. Scargle. "A Prototype Detector for the Astrometric Telescope Facility."  , 133 (1988): 421-424.
  
  

• T. Stepinski and E.H. Levy. "Generation of Dynamo Magnetic Fields in Protoplanetary and Other Astrophysical Accretion Disks."  Astrophysical Journal, 331 (1988): 416-434.
  
  

• C. Huang, G.N. Lawrence, E.H. Levy and R.S. McMillan "Design Analysis of the Astrometric Telescope Facility."  , 965, 24 (1988): 697-711.
  
  

• J. Kerridge and M. Matthews, eds. "Energetics of Chondrule Formation, in Meterorites."  University of Arizona Press, Tucson. (1988): 697-711.
  
  

• M.J.S. Belton, R.A. West and J. Rahe, eds. "Possible Time Variations in Jupiter's Magnetic Field."  , NASA SP-494 (1989): 129-138.
  
  

• E.H. Levy and S. Araki "Magnetic Reconnection Flares in the Protoplanetary Nebula and the Possible Origin of Meteorite Chondrules."  Icarus, 81 (1989): 74-91.
  
  

• T.F. Stepinski and E.H. Levy "Dynamo-Magnetic Field Induced Angular Momentum Transport in Protostellar Nebulae: the "Minimum-Mass Protosolar Nebula."  Astrophysical Journal, 350 (1990): 819-826.
  
  

• E.H. Levy and S. Araki "Reply to: Comment on Magnetic Reconnection Flares in the Protoplanetary Nebula and the Possible Origin of Meteorite Chondrules."  Icarus, 87 (1990): 244-246.
  
  

• T.F. Stepinski and E.H. Levy "Generation of Dynamo Magnetic Fields in Thin Keplerian Disks."  Astrophysical Journal, 362 (1990): 318-332.
  
  

• G.N. Lawrence, C. Huang, E.H. Levy, and R.S. McMillan "High Accuracy Image Centeroiding with a Moving Ronchi Ruling."  Optical Engineering, 30 (1991): 598-608.
  
  

• "Magnetohdrodynamic Puzzles in the Protoplanetary Nebula."  Planetary Sciences: American and Soviet Research (National Academy of Sciences), pp. 70-81 [Also published in Russian as 'Zagadki Magnitnoi Gidrodinamiki Protoplanyetnoi Tumannosti in Nauk o Planyetach (USSR Academy of Sciences) (1991): 223-239.
  
  

• E.H. Levy and S.J. Pearce "Steady-State Toroidal Magnetic Field at Earth's Core-Mantle Boundary."  Journal of Geophysical Research, 96 (1991): 3935-3942.
  
  

• T.F. Stepinski and E.H. Levy "Dynamo Magnetic Field Modes in Thin Astrophysical Disks: An Adiabatic Computational Approximation,."  Astrophysical Journal, 379 (1991): 343-355.
  
  

• C.P. Sonett, M.S. Giampapa and M.S. Matthews, eds. (E.H. Levy, A.A. Ruzmaikin, and T.V. Ruzmaikina "Magnetic History of the Sun."  The Sun in Time (1991): 589-632.
  
  

• S. Vainshtein and E.H. Levy "Dynamical Behavior of Strong Magnetic Fields in the Solar Convection Zone."  Solar Physics, 135 (1991): 261-274.
  
  

• D.W. Boyer and E.H. Levy "Multiple Periodicities in the Solar Magnetic Field: Possible Origin in a Multiple-Mode Solar Dynamo."  Astrophysical Journal, 396 (1992): 340-350.
  
  

• M.S. Giampapa and J.A. Bookbinder, eds. "Assessment of Stellar Dynamo Theory: The Physical Issues, in Cool Stars.."   (1992): 223-239.
  
  

• "Dynamo Theory of the Solar Cycle: The Leading Physical Questions, in the Solar Cycle (K.L. Harvey, ed.)."   (1992): 139-149.
  
  

• "Ordinary Planetary Systems: Architecture and Formation, in Planets Around Pulsars, J.A. Phillips, S.E. Thorsett and S.R. Kulkarni, eds.."   (1993): 181-197.
  
  

• E.H. Levy, G. Morfill, and H. Spruit. "Physical Processes and Conditions Associated with the Formation of Protoplanetary Disks, in Protostars and Planets III,."   (1993): 939-978.
  
  

• J.R. Jokipii and E.H. Levy "Can Magnetic Fields Explain the Rotation Curves of Galaxies."  Nature, 365, 19 (1993).
  
  

• T. Gehrels, ed. "Early Impacts: Earth Emergent from its Cosmic Environment, in Hazards Due to Comets and Asteroids."   (1993): 3-7.
  
  

• E.H. Levy and T.V. Ruzmaikina "The Possibility of Forming an Inhomogenous Sun and the Solar Neutrino Deficit."  Astrophysical Journal, 431 (1994): 881-887.
  
  

• S.H. Pravado, R.J. Terrile, C. Ftaclas, G.D. Gatewood and E.H. Levy "The Astrometric Imaging Telescope: Detection of Planetary Systems with Imaging and Astrometry."  Astrophysics and Space Science, 212 (1994): 433-440.
  
  

• C.Ftaclas, A.L. Nonenmacher, R.J. Terrile, S.H. Pravdo, G.D. Gatewood and E.H. Levy "The Circumstellar Imager: Direct Detection of Extra-solar Plantetary Systems."  Astrophysics and Space Science, 212 (1994): 441-452.
  
  

• M. Horanyi, G. Morfill, C.K. Goertz, and E.H. Levy. "Chondrule Formation in Lightning Discharges."  Icarus, 114 (1995): 174-185.
  
  

• "Planetary Dynamos, in Comparative Planetology (M. Chahine and N. Nickle, eds.) editon of Earth, Moon and Planets.."  , 67 (1995): 143-160.
  
  

• S. Gibbard, E.H. Levy and J.I. Lunine "Generation of Lightning in Jupiter's Water Cloud."  Nature, 378 (1995): 592-595.
  
  

• S.G. Gibbard, E.H. Levy, and G.E. Morfill "On the Possibility of Precipitation-Induced Lightning in the Protoplanetary Nebula."  Icarus, 130 (1998): 517-533.
  
  

• S.Gibbard, E.H. Levy, J.I. Lunine and I. de Pater "Lightning in Neptune's Atmosphere."  Icarus, 139 (1999): 227-234.
  
  

• W. Pilipp, T.W. Hartquist, G.E. Morfill and E.H. Levy "Lightning in the Protosolar Nebula."  Astronomy & Astrophysics, 331 (1998): 121-146.
  
  

Presentations

• "Are there Worlds Everywhere?, the Planetary Report (Publication of the Planetary Society), IV-5, p.4..".  (1985)
  
  

• "Solar System and Exploration, Proceedings of the American Astronautical Society, in Press..".  (1988)
  
  

• "A Profusion of Planets, The Sciences (Published by the New York Academy of Sciences), May/June 1989, pp. 31-35. (D.C. Black and E.H. Levy).".  (1988)
  
  

• "The Solar System, article in Encyclopedia of Physics, VCH Publishers (New York), pp. 1137-1139..".  (1991)
  
  

• "The Science of Planetary Exploration, Current Issues and Studies."  The National Research Council in 1978, (National Academy of Sciences) p. 117-137., Washington, D.C..  (1979) With E.H. Levy and S.C. Solomon.
  
  

• "A Talk with Eugene Levy (an interview)."  The Planetary Report (Publication of the Planetary Society, .  (March 1982)
  
  

• "Invited Testimony before the Subcommittee on Space Science and Application of the Committee on Science and Technology."  House of Representatives-United States Congress, Washington, D.C. the Congressional Record, Washington, DC.  (1982)
  
  

• "Invited Statement to the Subcommittee on HUD-Independent Agencies of the Commmittee on Appropriations."  , House of Representatives-United States Congress, Washington, D.C. (For the For the Association of American Universities (Space Science Working Group), The Congressional Record, Washington, DC.  (1982)
  
  

• "Modern Planetary Science, Physics today, November, p. 54. (M.J.S. Belton and E.H. Levy). Reprinted (1984) in Astrophysics Today, (A.G.W. Cameron, ed.; American Institute of Physics, New York), p. 54..".  (1982)
  
  

• "Invited testimony before the Committee on Science and Technology: National Science Policy Task Force, House of Representatives-United States Congress, Washington, D.C. The Congressional Record..".  (1985)
  
  

• "Space Station Utilization for the Astrometric Telescope Facilty, American Institute of Aeronautics and Astronautics: AIAA-89-0510. (K. Nishioka, D.C. Black, G.D. Gatewood, and E.H. Levy..".  (1989)
  
  

• "Major Directions in Space Science: 1995-2015, Report of the Space Science Board, (National Academy of Science, Washington D.C.) (T. Donahue, et al.).".  (1987)
  
  

• "Report on the Pacific Rim Nations International Space Year Conference, (T.B. McCord, editor)..".  (1987)
  
  

• "A Magnetic Dynamo in the Moon, Conference on Lunar Science,." Houston, Texas.  (December, 1972)
  
  

• "NASA in the Twenty-First Century, AM Magazine (Phoenix,Arizona), March..".  (1991)
  
  

• "Conceptual Questions in Discovering Other Planetary Systems, International Astronautical Foundation: IAA-91-601.".
  
  

• "Conceptual Questions in Discovering Other Planetary Systems, International Astronautical Foundation: IAA-91-601..".
  
  

• "Magnetohydrodynamics, article in Encyclopedia of Earth System Science, W.A. Nierenberg, ed. (Academic Press: New York), Volume 3, pp. 65-74..".  (1992)
  
  

• "Link Faculty pay, performance to improve University. The Arizona Daily Star 9Op-Ed Page), February 16, 1994, p. 13..".  (1994)
  
  

• "Tucson may have botched the redevelopment plan. The Arizona Daily Star (Op-Ed Page), July 18, 1999, p. F-3. (W. Buckingham and E.H. Levy).".  (1999)
  
  

• "Strategy for Exploration of the Inner Planets, Report of the Committee on Planetary and Lunar Exploration, Space Science Board,(National Academy of Sciences, Washington, D.C.) (G.J. Wasserburg, et al.).".  (1978)
  
  

• "The Role of Theory in Space Science, Report of the Space Science Board, (National Academy of Sciences, Washington, D.C.) (A.G.W. Cameron, et al).".  (1983)
  
  

• "Planetary Exploration Through the Year 2000, Report of the Solar System Exploration Committee of the NASA Advisory Council, (NASA, Washington D.C.) (N. Hinners, et al.).".  (1983)
  
  

• "Planetary Exploration through the Year 2000: The Augmented Program, Report of the Solar System Exploration Committee of the NASA Advisory Council, (NASA, Washington, D.C.) (G.A. Briggs, et al.).".  (1985)
  
  

• "United States and Western Europe Cooperation in Planetary Exploration, (National Academy of Sciences, Washington D.C. & European Science Foundation, Strasbourg, France). (H. Fechtig, E.H. Levy, et al.).".  (1986)
  
  

• "The Crisis in Space and Earth Science, Report of the Space and Earth Science Advisory Committee of the NASA Advisory of the NASA Advisory Council, (NASA, Washington D.C.). (L. Lanzerotti, et. al.).".  (1986)
  
  

• "International Cooperation for Mars Exploration & Sample Return, Report of Space Studies Board, (National Academy of Sciences, Washington D.C.) (E.H. Levy, et al.).".  (1989)
  
  

• "Generation of Magnetic Fields in the Cosmos, Takesi Nagata Conference on Magnetic Fields: Past and Present,." Pittsburgh, Pennsylvania.  (June, 1974)
  
  

• "Particle Acceleration in Interplantary Space, American Geophysical Union Meeting, June, 1975, Washington, D.C..".
  
  

• "Physical Basis of Geomagnetism and Geomagnetic Reversals."  21st Annual Conference on Magnetism and Magnetic Materials, Philadelphia, Pennsylvania.  (December, 1975)
  
  

• "Remarks on the United State's Planetary Program, Lunar and Planetary Science Conference XIII, March 1982, Houston, Texas..".
  
  

• "A Hydromagnetic Dynamo in the Protoplanetary Nebula?, Twenty-Fourth COSPAR Meeting, May 1982, Ottawa, Canada..".
  
  

• "Large-Scale Drifts and the Modulation of Galactic Cosmic Rays, Topical Conference on Solar and Interplanetary Physics."  Topical Conference on Solar and Interplanetary Physics, .  (January, 1977)
  
  

• "Global Dynamics of the Interstellar Gas, Magnetic Fields, and Cosmic Rays,."  International Astronomical Union Symposium #77, Bonn, Federal Republic of Germany.  (August, 1977)
  
  

• "Dynamo Genration of Planetary Magnetic Fields, Division of Planetary Sciences, American Astronomical Society Meeting,." Boston, Massachusetts.  (October, 1977)
  
  

• "The Generation of Magnetic Fields-Principles and Outstanding Problems, American Geophysical Union Meeting, December, 1977, San Francisco, California..".
  
  

• "Early Solar-System Magnetic Fields, Protostars and Planets Conference, January 1978, Tucson, Arizona..".
  
  

• "Planetary Dynamos: The Kinematical Theory, Conference on the Origins of Planetary Magnetism, November, 1978, Houston, Texas..".
  
  

• "Planetary Dynamos: The Kinematical Theory, Conference on the Origins of Planetary Magnetism, November 1978, Houston, Texas..".
  
  

• "Cosmic-Ray Drifts, Gradients, and Anisotrophies in the Heliosphere, American Geophysical Union Meeting, May 1979, Washington, D.C..".
  
  

• "Session Summary: Propagation of Solar Particles, Twenty-Third COSPAR Meeting, June 1980, Budapest, Hungary..".
  
  

• "Solar-System Exploration: The Scientific Quest, Research Conference on Solar-System Exploration, January 1981, Jet Propulsion Laboratory, Pasadena, California..".
  
  

• "The Continuing Challenge of Solar System, American Astronomical Society Division of Planetary Sciences, October, 1981, Pittsburgh, Pennsylvania..".
  
  

• "A National Policy for Space Science: The Advisory Basis, American Association for the Advancement of Science, January 1982, Washington, D.C..".
  
  

• "Physical Basis of the Geomagnetic Reversal Phenomenon, American Geophysical Union, June 1983, Baltimore, Maryland..".
  
  

• "General Overview: Our Understaning of Planetary System Formation, Protostars and Planets Conference, II, January 1984, Tucson, Arizona..".
  
  

• "The Formation of Planetary Systems, American Association of Physics Teachers, May 1985, Plagstaff, Arizona..".
  
  

• "Answers to Age-Old Questions in the Space Age, United States Congress Space Caucus Symposium, October, 1985, Washington, D.C..".
  
  

• "Searching for Other Planetary Systems Around Other Stars from the Space Station, American Astronautical Society, November 1985, Los Angeles, California..".  (1985)
  
  

• "Energetics of Chondrule Formation in the Protoplanetary Nebula, Meteorites Conference, January 1987, Tucson, Arizona..".  (1987)
  
  

• "The Scientific and Human Imperatives of Mars Exploration, American Institute of Aeronautics and Astronautics Meeting, April 1987, Washington, D.C..".  (1987)
  
  

• "Astrometric Discovery and Study of Planetary Systems from Astronomical Union Colloquium on BioAstronomy, June 1987, Balatonfured, Hungary..".  (1987)
  
  

• "Invited Discussant: Solar Dynamo Theory, Gordon Conference on Solar Plasma and MHD Processes, August 1991, Plymouth, New Hampshire..".  (1991)
  
  

• "The Formation of Normal Planetary Systems During the Birth of Stars, Symposium on Pulsar Planets, April 1992, Pasadena, California..".
  
  

• "Protostellar/Protoplanetary Nebular Processes, Session Overview, Gordon Conference on Origins of Solar Systems, July 1993, New London, New Hampshire.".
  
  

• "Possible Behaviors of Jupiter's Magnetic Field and their Implications, International Jupiter Watch Conference on Time Variability in the Jovian System, August 1987, Flagstaff, Arizona..".  (1987)
  
  

• "Steady State Toroidal Magnetic Field at Earth's Core-Mantle Boundary, American Geophysical Union Meeting, December 1987, San Francisco, California..". With E.H. Levy & S.J. Pearce, read by SJP.
  
  

• "Twenty-Five Years of Solar System Exploration: What We Have Learned, 25th Anniversary of Planetary Exploration Symposium, December 1987, Washington, D.C..".  (1987)
  
  

• "Perspectives on Asteroid Research, Asteroids Conference II, March 1988, Tucson, Arizona..".  (1988)
  
  

• "The Planetary System: A Quarter Century of Discovery, Space Science Board 30th Anniversary Symposium, National Academy of Sciences, June 1988, Washington, D.C..".  (1988)
  
  

• "Solar System Science, American Astronautical Society, October 1988, St. Louis, Missouri..".  (1988)
  
  

• "Magnetohydrodynamic Aspects of Accretion Disks, US-USSR Workshop on the Planetary Sciences, January 1989, Moscow, USSR..".  (1989)
  
  

• "Mars Exploration: The Scientific and Human Imperatives, Fourth Annual University of Central Florida Space Symposium, February 1989, Orlando, Florida..".  (1989)
  
  

• "Magnetohydrodynamic Puzzles in the Protosolar Nebula, NASA Origin of the Solar System Conference, February 1989, Washington, D.C..".  (1989)
  
  

• "Magnetohydrodynamic Puzzles in the Protosolar Nebula, NASA Origin of the Solar System Conference, February 1989, Washington, D.C..".  (1989)
  
  

• "Magnetic History of the Sun, The Sun in Time Conference, March 1989, Tucson, Arizona..".  (1989)
  
  

• "Astrometric Discovery of Other Planetary Systems: The Physical Problems, Symposium on the Evolution of Planetary Systems, Astronomical Society of the Pacific Centennial Meeting, June 1989, Berkeley, California..".  (1989)
  
  

• "Near-term Discovery and Study of Other Planetary Systems: The Astrometric Imaging Telescope, International Astronomical Union Colloquium 123: International Observatories in Earth Orbit and Beyond, April 1990, Greenbelt, Maryland..".  (1990)
  
  

• "Science Goals and Measurement Objectives in the Search for Other Planetary Systems, Toward Other Planetary Systems Technology Development Workshop." Houston, Texas.  (April, 1991)
  
  

• "Electrodynamic Protostellar/Protoplanetary Nebulae, Gordon Conference on Origins of Solar Systems."  Gordon Conference on Origins of Solar Systems, New London, New Hampshire.  (July,1991)
  
  

• "Conceptual Problems in Discovering Other Planetary Systems, International Astronautical Conference, International Academy of Astronautics SETI Committee, October 1991, Montreal, Canada..".  (1991)
  
  

• "Magnetic Field Generation in Stars: Assessment of the Dynamo theory, Seventh Cambridge Workshop on Cool Stars, Stellar Systems, and the Sun, October 1991, Tucson, Arizona, Sacramento Peak Solar Observatory,New Mexico.".
  
  

• "Prospects for Federal Research Funding: Stimulus and response, Association of American Universities Deans Meeting, March 1996, Laguna Beach, California..".  (1996)
  
  

• "Toward a Roadmap for Solar Systems Exploration, NASA Solar System Exploration Roadmap Development Conference, March 1996, Pasadena, California..".
  
  

• "The Changing Environment for Graduate Education and Research, American Astronomical Society Workshop on Graduate Education, November 1996, Tucson, Arizona..".
  
  

• "Connection of the Solar Cycle to the Sun's Surface Magnetic Fields, Conference on the Solar Cycle, October 1991, Sacramento Peak Solar Observatory, New Mexico.".  (1991)
  
  

• "The Formation of Normal Planetary Systems During Birth of Stars, Symposium on Pulsar Planets, April 1992, Pasadena, California..".  (1992)
  
  

• "'Architecture and Formation of Planetary Systems, Planetary Systems': Formation, Evolution, and Detection (First International Conference), December 1992, Pasadena, California.".  (1992)
  
  

• "Invited Panelist: Discovery of Other Planetary Systems, Planetary Systems: Formation, Evolution, and Detection (Second International Conference), December 1993, Hawaii..".
  
  

• "Formation of Planetary Systems, Conference on Searching for Other Planetary Systems, April, 1995, Pasadena, California..".  (1995)
  
  

• "Invited Panelist: The Search for Other Planetary Systems, Conference on the Study of Extra-Solar Terrestrial Planets, May, 1995 Boulder, Colorado.".
  
  

• "Formation of the Solar Nebula: Session Overview, Gordon Conference on Origins of Solar Systems, June 1995, New Hampton, New Hampshire..".
  
  

• "The Future of Graduate Education in Astronomy, American Astronomical Society Meeting (invited speaker and panelist), January, 1996, San Antonio, Texas..".
  
  

• "Dust-Gas (De)Coupling in Star Formation, Max-Planck-Institut fUr extraterrestrische Physik Workshop on Formation of Stars and Planetary Systems and Dust, February 1996, Garching bei Muchen, Germany..".
  
  

• "Advanced Technology for Space Science, NASA Jet Propulsion Laboratory University Day Workshop, June 1998, Pasadena, California..".  (1998)
  
  

• "Lightning in the Protosolar Nebula, American Geophysical Union Western Regional Meeting, July 1998, Taipei, Taiwan..".
  
  

• "Preparing Science Teachers in a College of Science, Council of Colleges of Arts & Sciences Meeting, November 1998, Minneapolis, Minnesota..".
  
  

• "Origin of Sun's Magnetic Field, Bartol Research Institute 75th Anniversary Symposium: Magnetism in the Cosmos, October 1999, Newark, Delaware..".
  
  

• "Places to Live: The Formation, Nature, and Possible Prevalences of Planetary Systems, Beckman Symposium on Molecular Evolution, City of Hope Beckman Research Institute, Novemeber 1999, Duarte, California..".
  
  

• "International Cooperation for Mars Exploration & Sample Return, Report of the Space Studies Board, (National Academy of Sciences, Washington DC).". With E.H. Levy, et al.
  
  

• "TOPS: Toward Other Planetary Systems, Report of the TOPS Science Working Group, (National Aeronautics and Space Administration, Washington, DC).". With B.F. Burke, et al.
  
  

• "Statement to the Subcommittee on Space Science and Application of the Committee on Science, Technology, and Space, House of Representatives-United States Congress, Washington, DC, (Transmitted by the Association of American Universities Space Science Work.".  (1987)
  
  

• "Together to Mars--But with Deliberation", Article syndicated through the National Academy of Sciences Op-Ed Service. (Published in approximately 30 U.S. newspapers.) Reprinted in Headline News, Science Views, Edited by David Jarmul (1991, National Academy.".  (1990)
  
  

• "Strategy for the Exploration of Primitive Solar-System Bodies-Asteroids, Comets and Meteroroids: 1980-1990, Report of the Committee on Planetary and Lunar Exploration, space Science Board, (National Academy of Sciences, Washington D.C.) (E.H. Levy, et al..".  (1980)
  
  

• "Caltech/JPL Planetary Science Summer School, Agust 1992, Pasadena, California; 3 lectures: 1. "The Central Paradigm of Planetary Systems Formation" 2. "Priciples of Indirect Detection of Planets: Astrometric & Doppler Appr.".
  
  

Honors, Awards and Fellowships

• Committee on Planetary and Lunar Exploration of the Space Science Board (COMPLEX), National Academy of Sciences/NRC.  (1976-1979).