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INVITED PRESENTATIONS, KEYNOTE SPEECHES, SPECIAL LECTURES (SELECT LIST)


  1. "Atmospheric" Moons Galileo Would Have Loved, S. K. Atreya, Invited Speaker, IAU Symposium, Galileo's Medicean Moons: their Impact on 400 years of Discovery, Padova, Italy, January 2010.

  2. Methane and the Martian Habitability, S. K. Atreya, P. R. Mahaffy, C. R. Webster, P. Coll, Invited Talk, ESA-ASI Workshop on Methane on Mars, ESRIN, Frascati, Italy, November 2009.

  3. Future In Situ Methane and Related Trace Gas and Isotope Measurements with the Sample Analysis At Mars (SAM) Suite of the 2011 Mars Science Laboratory, with P. R. Mahaffy, C. R. Webster, P. Coll, Invited Talk, ESA-ASI Workshop on Methane on Mars, ESRIN, Frascati, Italy, November 2009.

  4. Probes, and Post-Cassini Exploration of Saturn: Saturn (Shallow) Probes, Invited Speaker, National Research Council Planetary Science Decadal Survey, Giant Planets Panel Meeting, Irvine, CA, October 2009.

  5. The Habitability of Mars: Science Drivers and Measurement Approach for Future Low Cost Planetary Missions, Invited Paper, S. K. Atreya, IAA International Conference on Low Cost Planetary Missions, Goa, India, September 2009.

  6. The Martian Trace Gas Chemistry and its Significance for Habitability, Invited Paper, S. K. Atreya, P. R. Mahaffy, Asia Oceania Geosciences Society Meeting, Singapore, August 2009.

  7. Vibrational Spectroscopy of Aerosols in Titan's Atmosphere, Invited Paper, C.C. Wang, S. K. Atreya, R. Signorell, Asia Oceania Geosciences Society Meeting, Singapore, August 2009.

  8. The Origin and Evolution of a Nitrogen-Methane Atmosphere on Titan, Invited Paper, S. K. Atreya, H. B. Niemann, Asia Oceania Geosciences Society Meeting, Singapore, August 2009.

  9. Icy Satellites with Gas: A Complex Interplay Between Interior, Surface, Atmosphere, and Beyond, S. K. Atreya, International Association of Astronomy (IAU) General Assembly, Rio de Janeiro, Brazil, August 2009.

  10. The Origin, Evolution, and Cycle of Volatiles on Titan, Invited Paper, S. K. Atreya, H. B. Niemann, MOCA-09 IAMAS/IUGG General Assembly, Montreal, Canada, July 2009.

  11. Formation of Jupiter and Saturn and the Origin of Their Atmospheres: Current Constraints and Future Prospects, Solicited Talk, S. K. Atreya, H. B. Niemann, Th. Encrenaz, T. Owen, European Geosciences Union, Vienna, Austria, April 2009.

  12. The Nitrogen-Methane Atmosphere of Titan: Observations, Origin, Evolution, Keynote Lecture, S. K. Atreya, Titan Chemistry 2009: Observations, Experiments, Computation and Modeling, San Juan, Puerto Rico, February 2009.

  13. Planetary Electrochemical Effects, S. K. Atreya, K. M. Mihalka, P. R. Mahaffy, G. T. Delory, W. M. Farrell, Invited Paper, American Geophysical Union Fall Meeting, San Francisco, California, December 2008.

  14. Comparative Formation of the Gas Giant Planets and their Atmospheres, Invited Paper, Presented by S. K. Atreya on behalf of coauthors T. Owen and S. K. Atreya, American Geophysical Union Fall Meeting, San Francisco, California, December 2008.

  15. Origin and Evolution of Titan's Nitrogen-Methane Atmosphere: A Cassini-Huygens Perspective, S. K. Atreya, J. I. Lunine, H. B. Niemann, T. C. Owen, Invited Paper, American Geophysical Union Fall Meeting, San Francisco, California, December 2008.

  16. Saturn and Jupiter: Surprising Similarities and Stark Differences in Dynamics and Chemistry in the Gas Giants as Revealed by Galileo, Cassini, and New Horizons, Invited Talk, with K. H. Baines, L. Fletcher, T. Momary, R. West, R. H. Brown, A. Showman, A. Simon-Miller, American Geophysical Union Fall Meeting, San Francisco, California, December 2008.

  17. Formation of the Giant Planets and their Atmospheres: Post-Galileo, Pre-Juno, and Beyond, Invited Colloquium, University of Colorado, Boulder, Colorado, December 2008.

  18. Mass Spectrometry Payload on Satellites and Spacecrafts as Key to Understanding the Formation of Planets and the Origin and Evolution of Atmospheres, S. K. Atreya, Invited Talk, International Academy of Astronautics Conference on Advanced Space Systems and Applications, Chinese Society of Astronautics, Shanghai, China, October-November 2008.

  19. Titan: Saturn's Earth-Like Moon, S. K. Atreya, Invited Colloquium, University of California-Berkeley, California, October 2008.

  20. Saturn's Exploration After Cassini-Huygens, Invited Talk, T. Guillot, S. K. Atreya, M. Dougherty, W. B. Hubbard, Invited Talk, London, UK, August 2008.

  21. Saturn Multiprobes and Ring Observer Aerocapture Mission, Invited Talk, with T. Spilker, L. Spilker, T. Balint, E. Venkatapathy, J. Arnold, ARES V Solar System Science Workshop, NASA Ames Research Center, Moffett Field, California, August 2008.

  22. Volatile Origin and Cycles: Nitrogen and Methane, S, K. Atreya, R. Lorenz, J. Waite, Invited Talk, Titan After Cassini-Huygens Symposium, Corpus Christi, Texas, July 2008.

  23. Atmospheric Composition and Structure, D. F. Strobel, S. K. Atreya, B. Bezard, M. Flasar, M. Fulchignoni, C. Griffith, E. Lellouch, I. Muller-Wodarg, R. Yelle, Invited Talk, Titan Book Symposium, Corpus Christi, Texas, July 2008.

  24. The Role of Entry Probes in Understanding the Formation of the Ice Giants--Uranus and Neptune--and their Atmospheres, Invited Paper, S. K. Atreya, COSPAR General Assembly, Montreal, Canada, July 2008.

  25. Lessons Learned from Planetary Entry Probe Missions, Invited Paper, H. B. Niemann, S. K. Atreya, W. Kasprzak, COSPAR General Assembly, Montreal, Canada, July 2008.

  26. Exploring Venus with High Altitude Balloons Science Objectives and Mission Architectures, Invited Paper, K. H. Baines, S. K. Atreya, S, S, Limaye, K. Zahnle, COSPAR General Assembly, Montreal, Canada, July 2008.

  27. Saturn's Depths in a New Light: Novel Views of Meteorology, Circulation and Dynamics by Cassini/VIMS, Invited Paper, with K. H. Baines and VIMS Colleagues, COSPAR General Assembly, Montreal, Canada, July 2008.

  28. Titan's Ethane Oceans--A Disappearing Act, Invited Paper, S. K. Atreya, J. I. Lunine, H. B. Niemann, E. H. Wilson, Asia Oceana Geosciences Society Meeting, Busan, Korea, June 2008.

  29. Martian Methane: A New Twist on An Old Story, Invited Paper, S. K. Atreya, P. R. Mahaffy, T. Encrenaz, N. Renno, Asia Oceana Geosciences Society Meeting, Busan, Korea, June 2008.

  30. Where Have Titan's Ethane Oceans Gone? S. K. Atreya, J. I. Lunine, H. B. Niemann, E. H. Wilson, Invited Paper, European Geosciences Union Meeting, Vienna, Austria, April 2008.

  31. Chemistry and Composition of Titan Haze Precursors, E. H. Wilson and S. K. Atreya, Titan Workshop, Miami, Florida, March 2008.

  32. Titan As Seen Through The Eyes of Cassini-Huygens, S. K. Atreya, Invited Speaker, Michigan Research Community, University of Michigan, Ann Arbor, MI, January 2008.

  33. Are We Alone in the Universe: Life and Times of Titan and Mars? S. K. Atreya, James A. Van Allen Lecture, NASA Headquarters, December 2007.

  34. Electrical Processes on Mars: New Sources and Sinks for Atmospheric Chemistry?, Invited Paper, with G. T. Delory, W. Farrell, J. Marshall, American Geophysical Union Meeting, San Francisco, CA, December 2007.

  35. Martian Atmospheric Electricity and Global Circuit Driven by Dust Storms, with W. M. Farrell, G. T. Delory, J. R. Marshall, American Geophysical Union Meeting, San Francisco, CA, December 2007.

  36. Are Mars and Titan Alive Now, or Were They Ever? S. K. Atreya, Invited Speaker, University of Washington, Seattle, November 2007.

  37. Saturn Probes, Delivered to NRC/NOSSE (National Research Council Committee on New Opportunities in Solar System Exploration), S. K. Atreya, Invited Talk, Houston, TX, November 2007.

  38. Comparative Atmospheres of Earth-like Bodies: Titan, Mars, Venus, Invited Talk, NASA Planetary Atmospheres Meeting, Greenbelt, MD, November 2007.

  39. Planetary Probe Workshop, Bordeaux, IPPW5 Report to the OPAG and VEXAG, with J. Cutts, Greenbelt, MD, November 2007.

  40. Titan's Methane Cycle: A Cassini-Huygens Perspective, Invited Paper, S. K. Atreya, Space Week-Symposium on the 50th Anniversary of Sputnik, Moscow, Russia, October 2007.

  41. Methane, Organics, Oxidants, and Habitability of Mars: Prospects for the Mars Science Laboratory Measurements, Invited Paper, S. K. Atreya, P. R. Mahaffy, International Aeronautics Congress, Hyderabad, India, September 2007.

  42. Formation of the Giant Planets and their Atmospheres: Multiprobe Exploration, Invited Paper, S. K. Atreya, International Aeronautics Congress, Hyderabad, India, September 2007.

  43. Origin and Evolution of Titan's Nitrogen and Methane Atmosphere: A Post Cassini-Huygens Perspective, Invited Paper, S. K. Atreya, H. B. Niemann, E. Y. Adams, International Aeronautics Congress, Hyderabad, India, September 2007.

  44. Comparative Planetology as Key to the Origin and Evolution of Solar System Atmospheres, S. K. Atreya, Distinguished Lecture, Asia Oceana Geosciences Society Meeting, Bangkok, Thailand, August 2007.

  45. Titan's Methalogy, Invited Paper, S. K. Atreya, H. B. Niemann, E. Y. Adams, Asia Oceana Geosciences Society Meeting, Bangkok, Thailand, August 2007.

  46. GCMS Measurements at Titan, Invited Paper, with H. B. Niemann, J. Demick, W. Kasprzak, T. Owen, and the GCMS Team, Asia Oceana Geosciences Society Meeting, Bangkok, Thailand, August 2007.

  47. Electro-photo Chemistry on Mars, and Prospects for the Mars Science Laboratory Investigation, Invited Paper, S. K. Atreya, P. R. Mahaffy, Asia Oceana Geosciences Society Meeting, Bangkok, Thailand, August 2007.

  48. From Enceladus to Pluto: The Origin of Nitrogen on Small Bodies of the Solar System, Invited Paper, S. K. Atreya, IAMAS/IUGG Meeting, Perugia, Italy, July 2007.

  49. Huygens GCMS Results from Titan, Invited Paper, with H. B. Niemann, J. Demic, W. Kasprzak, T. Owen, and the GCMS Team, IAMAS/IUGG Meeting, Perugia, Italy, July 2007.

  50. Formation of Giant Planets and their Atmospheres: Entry Probes into Saturn and Beyond, Invited Paper, S. K. Atreya, S. Bolton, A. Coustenis, T. Guillot, P. Mahaffy, B. Marty, H. Niemann, T. Owen, International Planetary Probe Workshop IPPW5, Bordeaux, France, June, 2007.

  51. Titan's Methane Poblem, Invited Paper, Workshop on Titan, S. K. Atreya, University of California Berkeley, May 2007.

  52. Formation of Jupiter and Saturn and the Origin of their Atmospheres: Clues from Composition and Thermochemistry, Invited Paper, S. K. Atreya, S. Bolton, T. Encrenaz, P. Mahaffy, H. Niemann, T. Owen, European Geosciences Union Meeting, Vienna, Austria, April 2007.

  53. Venus Chemistry and Composition, S. K. Atreya, F. Mills, C. Parkinson, Invited Paper, Venus Express Science Conference, Rencontrs de Moriond, La Thuile, Italy, March 2007.

  54. A Saturn Probe Mission, S. K. Atreya, S. Bolton, T. Owen, Invited Presentation, Saturn-Titan Workshop, Observatoire de Paris-Meudon, France, February 2007.

  55. A New Frontiers Mission to Saturn with Probes and Microwave Radiometry, S. K. Atreya, S. Bolton, T. Owen, Invited Presentation, Jet Propulsion Laboratory and Caltech, Pasadena, January and February 2007.

  56. Titan's Atmosphere, Invited Paper, with T. Owen, H. Niemann, American Association for the Advancement of Science, San Francisco, February 2007.

  57. Origin and Evolution of Titan's Nitrogen-Methane Atmosphere, S. K. Atreya, Invited Talk, Observatoire de Paris, Meudon, France, November 2006.

  58. Titan's Methane Cycle as Revealed by the Cassini Orbiter and Huygens Probe Observations, Invited Talk at the Titan Workshop, Observatoire de Paris-Meudon, France, November 2006.

  59. Planetary Probe Workshop, and the Saturn Probes, S. K. Atreya, Invited Talk, Outer Planets Assessment Group Meeting, Tucson, Arizona, November 2006.

  60. Entry Probes and the Secret of Giant Planets, Invited Speaker, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, October 2006.

  61. Venus Exploration Analysis Group/NASA: Accomplishments and Plans, S.K. Atreya and J.G. Luhman, Invited Talk, Townhall Presentation, DPS Meeting, Pasadena, CA, October 2006.

  62. Cloud Structures of the Giant Planets: Equilibrium Thermochemistry, and Precipitation, Invited Paper, S. K. Atreya and W. R. Kuhn, 1st. Europlanet Science Congress (EPSC), Berlin, Germany, September 2006.

  63. Origin and Evolution of Nitrogen on Titan, Enceladus, Triton, and Pluto, Invited Paper, S. K. Atreya, E. Y. Adams, H. B. Niemann, P. R. Mahaffy, T. C. Owen, 1st. Europlanet Science Congress (EPSC), Berlin, Germany, September 2006.

  64. Origin of Planetary Nitrogen, Invited Paper, with T. C. Owen, H. B. Niemann, P. R. Mahaffy, 1st. Europlanet Science Congress (EPSC), Berlin, Germany, September 2006.

  65. Saturn Probes: U.S. Plan, S.K. Atreya, Invited Speaker, Workshop on Future Space Missions, Europlanet Science Congress (EPSC), Berlin, Germany, September 2006.

  66. In-situ Measurements of Jupiter and Titan: Implications for Chemical Models and the Origin of Atmospheres, S. K. Atreya, Invited Paper, COSPAR Meeting, Beijing, China, July 2006.

  67. Comparative Composition and Thermodynamics of the Giant Planets, and Future Exploration by Multiprobes, S. K. Atreya, Invited Paper, COSPAR Meeting, Beijing, China, July 2006.

  68. The Huygens Gas Chromatograph Mass Spectrometer Measurements at Titan, S. K. Atreya, Invited Paper (presented on behalf of H. B. Niemann and the GCMS Team), COSPAR Meeting, Beijing, China, July 2006.

  69. In Situ measurements of the Composition of Titan's Atmosphere, with H. B. Niemann and the GCMS Team, COSPAR Meeting, Beijing, China, July 2006.

  70. What do Saturn and Titan Have in Common? (And, what they don't), S. K. Atreya, Invited Paper, Asia Oceana Geosciences Society Meeting, Singapore, July 2006.

  71. Titan Revealed: Origin and Evolution of Titan's Nitrogen and Methane Atmosphere, S. K. Atreya, Invited Paper, Asia Oceana Geosciences Society Meeting, Singapore, July 2006.

  72. Saturn Probes: Why, Where, How?, S. K. Atreya, Invited Paper, International Planetary Probe Workshop IPPW4, Pasadena, CA, June 2006.

  73. The Exploration of Venus: Venus Exploration Analysis Group, S. K. Atreya, K. Baines, A. Ocampo, T. W. Thompson, Invited Talk, European Satellite Operations Center, April 2006.

  74. Water-Ammonia Ionic Ocean on Neptune and Uranus? S. K. Atreya, P. A. Egeler, K. H. Baines, Invited Paper, European Geosciences Union Meeting, Vienna, Austria, April 2006.

  75. Photo-electrochemistry of Mars, and Prospects for Measurements on the Mars Science Laboratory, Invited Paper, S. K. Atreya and P. R. Mahaffy, Workshop on Mars Atmosphere Modelling and Observations, Granada, Spain, February 2006.

  76. Venus Exploration Analysis Group: Venus as Terrestrial Planet, S. K. Atreya, Invited Speaker, AGU Chapman Conference on Exploring Venus as a Terrestrial Planet, Key Largo, Florida, February 2006.

  77. Titan - A New World, S. K. Atreya, Invited Speaker, General Motors Corporation, Warren, Michigan, January 2006.

  78. Carbon Chemistry in the Solar System, S. K. Atreya, Invited Paper, Pacific Astrochemistry Conference, Honolulu, HI, December 2005.

  79. Results from the GCMS Experiment on the Cassini-Huygens Probe, Invited Paper, with H.B. Niemann and the GCMS Team, American Geophysical Union Meeting, San Francisco, CA, December 2005.

  80. Methane Methane Everywhere: Life and Times of Titan, S. K. Atreya, Invited Colloquium, University of Michigan, Ann Arbor, September 2005.

  81. Methane, Organics, and Related Trace Constituents on Mars: Sources, Sinks, Implications, S. K. Atreya, Invited Paper, Division of Planetary Sciences/AAS Meeting, Cambridge, England, September 2005.

  82. Oxygen and other Volatiles in Jupiter: Insights into the Early Solar System, Invited Talk by M. H. Wong, S. K. Atreya and P. R. Mahaffy, Meeting on "Oxygen in the Solar System", Gatlinburg, Tennessee, September 2005.

  83. Titan's Atmosphere and Surface: First Results from the Gas Chromatograph Mass Spectrometer, S. K. Atreya, Invited Speaker, (presented on behalf of H.B. Niemann, PI, and the GCMS Team), International Association of Meteorology and Atmospheric Sciences, Beijing, China, August 2005.

  84. The New Mars: Organics, Oxidants, Life, Habitability, S. K. Atreya, P. R. Mahaffy, A. S. Wong, N. O. Renno, Invited Paper, International Association of Meteorology and Atmospheric Sciences, Beijing, China, August 2005.

  85. Photochemical-Meteorological-Hydrogeological Cycle of Methane on Titan, S. K. Atreya, Invited Paper, International Association of Meteorology and Atmospheric Sciences, Beijing, China, August 2005.

  86. A NEPtune/Triton Vision Mission Using Nuclear Electric Propulsion, with B. Bienstock, D. Atkinson, K. Baines, P. Mahaffy, International Planetary Probes Workshop, Anavyssos, Attica, Greece, July, 2005.

  87. Multiple Probes to Multiple Planets, S.K. Atreya and T.C. Owen, Invited Paper, International Probes Workshop, Anavyssos, Attica, Greece, July, 2005.

  88. A New View of Venus: Direct Measurements of Planetary Formation and Evolution, Meteorology, Dynamics, and Chemistry with a Long-Duration In-Situ Aerial Tour of our Sister World, Invited Paper, with K. H. Baines, S. K. Atreya, D. Crisp, et al., International Probes Workshop, Anavyssos, Attica, Greece, July, 2005

  89. Titan's Methane Cycle: A Post Huygens Assessment, S. K. Atreya, Invited Paper, Asia Oceana Geosciences Society Meeting, Singapore, June 2005.

  90. Chemistry of the Outer Solar System: Composition, Clouds, Origin and Evolution, S. K. Atreya, Invited Paper, Asia Oceana Geosciences Society Meeting, Singapore, June 2005.

  91. The Cassini-Huygens GCMS Investigation of Titan's Atmosphere and Surface, S.K. Atreya, Invited Speaker, (presented on behalf of H.B. Niemann and the GCMS Team), Asia Oceana Geosciences Society Meeting, Singapore, June 2005.

  92. Methane on Titan, S.K. Atreya, H.B. Niemann, T.C. Owen, and the Huygens GCMS Team, Titan Workshop, Crete, Greece, June 2005.

  93. On Trace Species, Organics, Oxidants, Life, and Habitability, S.K. Atreya, Invited Speaker, Mars Workshop, les Houches, France, May, 2005.

  94. Atmospheric Composition of Titan with Huygens GCMS, with H. B. Niemann, and the GCMS Team, Invited Paper, European Geosciences Union Meeting, Vienna, Austria, April 2005.

  95. Chemical State of Titan after Huygens, S. K. Atreya, H. B. Niemann, and the GCMS Team, Invited Paper, European Geosciences Union Meeting, Vienna, Austria, April 2005.

  96. Titan, Invited Paper T. C. Owen, H. B. Niemann, S. K. Atreya, and the Huygens GCMS Team, European Geosciences Union Meeting, Vienna, Austria, April 2005.

  97. Methane on Mars - Sources, Sinks, Implications for Life, Keynote Speech, S. K. Atreya, Mars International Conf., Ischia, Italy, September 2004.

  98. The Giordano Bruno Project: Multiple Missions to Multiple Planets, S. K. Atreya and T. C. Owen, Invited Lecture at ASI/ESA International School of Space Science: The New Solar System from Cassini toward a "Second Generation of Exploratory Missions", l'Aquila, Italy, July-August 2004.

  99. Comparative Composition, Chemistry, and Clouds of Saturn and Jupiter, S. K. Atreya, Invited Lecture at ASI/ESA International School of Space Science: The New Solar System from Cassini toward a "Second Generation of Exploratory Missions", l'Aquila, Italy, July-August 2004.

  100. The Composition of the Martian Atmosphere, Invited Paper, with T. C. Owen, COSPAR Meeting, Paris, France, July 2004.

  101. Comparative Chemistry and Thermodynamics of the Atmospheres of Saturn and Jupiter, S. K. Atreya, Invited Speaker, COSPAR Meeting, Paris, France, July 2004.

  102. Prebiotic Molecules on Titan, S. K. Atreya, Invited Speaker, Asia-Oceania Geosciences Society (AOGS) 1st Annual Meeting, Singapore, July 2004.

  103. Coupled Thermochemical-Photochemical Processes in the Giant Planets, S. K. Atreya, Invited Speaker, Asia-Oceana Geosciences Society (AOGS) 1st Annual Meeting, Singapore, July 2004.

  104. Benzene, and other Hydrocarbons on Saturn, A.-S. Wong and S. K. Atreya, Solicited Paper, European European Geosciences Union Meeting, Nice, France, April 2004.

  105. Thermochemistry and Cloud Physics of the Giant Planets, S. K. Atreya, Invited Speaker, "A Comparative Study of the Outer Planets before the Exploration of Saturn by Cassini-Huygens" Symposium, International Space Science Institute (ISSI), Bern, Switzerland, January 2004.

  106. The Giants, S. K. Atreya, Invited Speaker, "Light on Planetary Atmospheres Symposium", Sterrenkundig Instituut "Anton Pannekoek", Univeristy of Amsterdam, The Netherlands, December 2003.

  107. Composition, Clouds, and Origin of Jupiter's Atmosphere - A Case for Multiprobes into the Giant Planets, S. K. Atreya, Invited Speaker, International Workshop on Planetary Probe Atmospheric Entry and Descent Trajectory Analysis and Science, Lisbon, Portugal, October 2003.

  108. Extrasolar Giant Planet Atmospheres: Clues from Jupiter, S. K. Atreya, Invited Lectures at the EVISS (ESA) Summer School on Extrasolar Planets, Coimbra, Portugal, August 2003.

  109. Comparative Atmospheres of the Giant Planets: Composition, Chemistry, and Thermodynamics, S. K. Atreya, Invited Lectures at the EVISS (ESA) Summer School on Extrasolar Planets, Coimbra, Portugal, August 2003.

  110. Volatile Abundances, Clouds, and Origin of Jupiter's Atmosphere, S. K. Atreya, Invited Paper, IAMAS/IUGG General Assembly, Sapporo, Japan, July 2003.

  111. Composition and Clouds of Jupiter's Atmosphere, Solicited Paper, S. K. Atreya, Planetary Entry Probe Workshop, Boulder, Colorado, April 2003.

  112. Jupiter and the Extrasolar Giant Planets: Composition and Origin of Atmospheres, Invited Paper, S. K. Atreya, A.-S. Wong, P. R. Mahaffy, H. B. Niemann, M. H. Wong, T. C. Owen, COSPAR World Space Congress, Houston, Texas, October 2002.

  113. Thermodynamics, Chemistry, and the Origin of the Giant Planet Atmospheres, S. K. Atreya, Invited Lectures, and Tutorials , Interdisciplinary Summer School on the Solar System, EVISS (ESA), Lisbon, Portugal, August 2001.

  114. Cloud Physics of the Giant Planets, S. K. Atreya, Invited Lectures, and Tutorials , Interdisciplinary Summer School on the Solar System, EVISS (ESA), Lisbon, Portugal, August 2001.

  115. Evolution of Titan's Nitrogen Atmosphere Some New Developments, S. K. Atreya and E. H. Wilson, Invited Paper, IAMAS/IUGG General Assembly, Innsbruck, Austria, July 2001.

  116. What Can We Learn About the Atmospheres of the Giant Planets by Studying the Chemistry of their Minor Constituents? S. K. Atreya, Solicited Paper, European Geophysical Society Meeting, Nice, France, March 2001.

  117. Atmospheric Probes and the Origins of Atmosphere, S. K. Atreya, Invited Paper, International Astronomical Union General Assembly/Planetary Exploration Symposium, Manchester, England, August, 2000.

  118. Composition and Structure of Jupiter's Deep Atmosphere, S. K. Atreya, Invited Paper, International Astronomical Union General Assembly/Planetary Exploration Symposium, Manchester, England, August, 2000.

  119. Clouds and Chemistry of Jupiter's Atmosphere: A Post-Galileo, Post-ISO Perspective, S. K. Atreya, Invited Paper, International Astronomical Union General Assembly/Atomic and Molecular Data Symposium, Manchester, England, August, 2000.

  120. Chemistry of the Atmosphere of Titan, S. K. Atreya, Invited Paper, COSPAR Meeting, Warsaw, Poland, July, 2000.

  121. The Jovian Voaltiles: From Hot Spots to the Cold Planetesimals, S. K. Atreya, Special Lecture, Observatoire Paris-Meudon, France, March, 2000.

  122. Chemistry, Composition and Thermodynamics (Quimica, Composicao e Termodinamica), S. K. Atreya, Invited Lectures, Interdisciplinary Summer School on the Solar System, EVISS (ESA), Coimbra, Portugal, August 1999.

  123. Scientific Interpretation of Recent Observations of the Giant Planet Atmospheres: Excitement, and Caution, S. K. Atreya and T.C. Owen, Invited Paper, IUGG General Assembly, Birmingham, England, July, 1999.

  124. Formation of Jupiter: Constraints from Nitrogen and Noble Gases, Invited Paper, with T. C. Owen, European Geophysical Society Meeting, The Hague, Netherlands, April, 1999.

  125. Jupiter's Atmosphere After Galileo and ISO: Implications for Chemistry, Clouds, and Origin (I), and Future Planetary Missions (II), S. K. Atreya, Invited Lectures and Panel Discussion at European Research Course on Atmospheres, Grenoble, France, February, 1999.

  126. Implications for Atmospheric Vertical Mixing from ISO Measurements of C2H2 on Uranus and CH3 on Saturn, S. K. Atreya, Th. Encrenaz, H. Feuchtgruber and S. G. Edgington, Invited Paper in the ISO-SIRTF Plenary Session at the AAS/DPS Meeting, Madison, Wisconsin, October, 1998.

  127. On the Origin of Jupiter's Atmosphere, Invited Paper, with T. C. Owen, COSPAR Meeting, Nagoya, Japan, July, 1998.

  128. The Chemical Composition and the Cloud Structure of the Atmospheres of Jupiter and Saturn, S. K. Atreya, Invited Paper, COSPAR Meeting, Nagoya, Japan, July 1998.

  129. Comparative Atmospheres of Jupiter and Saturn: Deep Atmospheric Composition, Clouds, and Vertical Mixing, S. K. Atreya, Invited Paper at the Symposium, Jupiter After Galileo and Saturn-Titan Before Cassini-Huygens, Nantes, France, May, 1998.

  130. Chemical Composition, Equilibrium Thermodynamics, and Local Meteorology of the Atmospheres of the Giant Planets, S.K. Atreya, A series of 4 Invited Lectures and Tutorials at European Research Course on Atmospheres, Grenoble, France, February, 1998.

  131. Chemical and Thermodynamic Nature of Jupiter's Atmosphere, S. K. Atreya, Invited Paper, The Galileo Symposium at the International Astronomical Union General Assembly, Kyoto, Japan, August 1997.

  132. The Exploration of the Giant Planets, S. K. Atreya, Invited Speaker, The Jacques E. Blamont Symposium, Ecole Normale Superieure, Paris, France, June 1997.

  133. Multilayered Cloud Structure of Jupiter and Saturn, S. K. Atreya, Solicited Paper, European Geophysical Society Meeting, Vienna, Austria, April, 1997.

  134. Clouds, or Lack of Them, Local Meteorology and Downdrafts in the Galileo Probe Entry Region, S. K. Atreya, Invited Lecture, European Research Course on Atmospheres, Grenoble, France, February 1997.

  135. Comparative Planetary Atmospheres I and II: The Giant Planets, S. K. Atreya, Invited Lectures, European Research Course on Atmospheres, Grenoble, France, February, 1997.

  136. Chemistry and Clouds of the Atmosphere of Jupiter: A Galileo Perspective, S. K. Atreya, Invited Paper, The Three Galileos - The Man, The Spacecraft, The Telescope - Symposium, Padova, Italy, January, 1997.

  137. Clouds and Chemistry of the Atmosphere of Saturn: Prospects for Cassini and Lessons from Galileo, S. K. Atreya, Invited Paper, Cassini-Huygens International Conference on Saturn and Titan, Bologna, Italy, November, 1996.

  138. Lessons from Galileo Relevant to Laboratory Planetary Research, S.K. Atreya and P. Mahaffy, Invited Paper, International Conference on Laboratory Research for Planetary Atmospheres, Tucson, Arizona, October, 1996.

  139. Laboratory Studies Related to the Galileo Probe Neutral Mass Spectrometer Measurement of Jupiter's Atmosphere and Isotopic Composition, with P. Mahaffy and H. Niemann, Invited Paper, International Conference on Laboratory Research for Planetary Atmospheres, Tucson, Arizona, October, 1996.

  140. Chemical and Thermodynamical Nature of the Unperturbed Jovian Atmosphere, S. K. Atreya, Invited Paper, International Conference on the SL-9 Jupiter Collision, Observatoire de Paris - Meudon, France, July, 1996.

  141. Photochemistry of the Lower and Middle Atmosphere of Mars: Diurnal and Seasonal Results, S. K. Atreya, Invited Paper, COSPAR Meeting, Birmingham, England, July, 1996.

  142. Organic Chemistry of the Giant Planet Atmospheres, S. K. Atreya, Invited Paper, COSPAR Meeting, Birmingham, England, July, 1996.

  143. Galileo Probe Mass Spectrometer Measurements of the Composition of Jupiter's Atmosphere: Noble Gases and Isotopic Ratios, Invited Paper, with T. C. Owen, et al., COSPAR Meeting, Birmingham, England, July, 1996.

  144. Galileo Probe Mass Spectrometer Measurements of the Composition of Jupiter's Atmosphere: The Photochemical and Volatile Species, Invited Paper, S. K. Atreya, COSPAR Meeting, Birmingham, England, July, 1996.

  145. Galileo Probe Mass Spectrometer Measurements of the Composition of Jupiter's Atmosphere II: Invited Paper, S. K. Atreya, European Geophysical Society Meeting, The Hague, Netherlands, May, 1996.

  146. The Galileo Probe Mission and the Composition of Jupiter's Atmosphere, S.K. Atreya, Invited Seminar, Observatoire de Paris - Meudon, France, May 1996.

  147. Galileo Probe: Mission and Results, S. K. Atreya, Invited Speaker at the Annual Banquet of Science Research Club of The University of Michigan, Ann Arbor, Michigan, April, 1996.

  148. Galileo Probes Jupiter, S. K. Atreya, Invited Public Lecture , sponsored by The University of Michigan, Ann Arbor, Michigan, February, 1996.

  149. Comparative Planetary Atmospheres III: Mars and Venus, S. K. Atreya, Invited Lecture, European Research Course on Atmospheric and Interstellar Physics and Chemistry, Joseph Fourier University, Grenoble, France, February 1996.

  150. Comparative Planetary Atmospheres II: Uranus and Neptune, S. K. Atreya, Invited Lecture, European Research Course on Atmospheric and Interstellar Physics and Chemistry, Joseph Fourier University, Grenoble, France, February 1996.

  151. Comparative Planetary Atmospheres I: Jupiter and Saturn, S. K. Atreya, Invited Lecture, European Research Course on Atmospheric and Interstellar Physics and Chemistry, Joseph Fourier University, Grenoble, France, February 1996.

  152. Chemistry, Stability and Evolution of the Atmosphere of Mars, S. K. Atreya, Invited Paper, Mars Telescopic Observations Workshop, Cornell University, Ithaca, NY, August, 1995.

  153. Composition of Jupiter's Atmosphere: Prospects for Galileo, S. K. Atreya, Invited Paper, IAMAS/IUGG Meeting, Boulder, Colorado, July 1995.

  154. The Composition of Jupiter's Atmosphere Before, During and After the Impact of Comet Shoemaker-Levy 9, S.K. Atreya, Invited Colloquium, NASA Goddard Space Flight Center, Baltimore, Maryland, May, 1995.

  155. Jupiter After the Crash of Comet Shoemaker-Levy 9, S. K. Atreya, Invited Lecture, The Science Research Club of The University of Michigan, Ann Arbor, February, 1995.

  156. The Collision of Comet Shoemaker-Levy 9 with Jupiter in July 1994, S. K. Atreya, University Lecture, Joseph Fourier University, Grenoble, France, February, 1995.

  157. Comparative Planetary Atmospheres: Composition, Clouds, and Chemistry of Venus and Mars, S. K. Atreya, Invited Lectures, European Research Course on Atmospheric and Interstellar Physics and Chemistry, Joseph Fourier University, Grenoble, France, February 1995.

  158. Comparative Planetary Atmospheres: Composition, Clouds, and Chemistry of the Major Planets, S. K. Atreya, Invited Lectures, European Research Course on Atmospheric and Interstellar Physics and Chemistry, Joseph Fourier University, Grenoble, France, February, 1995.

  159. Photochemistry of the Atmosphere of Mars, S. K. Atreya, Invited Paper, COSPAR Meeting, Hamburg, Germany, July, 1994.

  160. Cosmic-Ray Initiated Chemistry in the Stratosphere of Neptune, S.K. Atreya, Invited Lecturer, European Research Course on Atmospheres, Joseph Fourier University, Grenoble, France, February, 1994.

  161. Modification of Jupiter's Atmospheric Composition Following the Impact of Comet Shoemaker-Levy 9: Predictions, S.K. Atreya, Invited Lecturer, European Research Course on Atmospheres, Joseph Fourier University, Grenoble, France, February, 1994.

  162. Chemistry of Planetary Atmospheres: Major Planets and Satellites, S.K. Atreya, Invited Lecturer, European Research Course on Atmospheres, Joseph Fourier University, Grenoble, France, February, 1994.

  163. Chemistry of Planetary Atmospheres: Terrestrial Planets, S.K. Atreya, Invited Lecturer, European Research Course on Atmospheres, Joseph Fourier University, Grenoble, France, February, 1994.

  164. Composition and Chemistry of the Stratospheres and Tropospheres of the Giant Planets -- New Breakthroughs, S.K. Atreya, Invited Paper, Symposium on Planetary Atmospheres and Magnetospheres, IAGA General Assembly, Buenos Aires, Argentina, August, 1993.

  165. The Stability of Martian Atmosphere: An Enigma, S.K. Atreya, Invited Paper, Symposium on Mars and Venus, IAMAP General Assembly, Yokohama, Japan, July, 1993.

  166. Comparative Planetary Ionospheres, S. K. Atreya, Invited Speaker, Magnetospheres of the Outer Planets, Goertz-Smith Memorial Symposium, UCLA, Los Angeles, California, June, 1992.

  167. Role of Extraplanetary Material in the Atmospheres and Ionospheres of the Outer Planets, S.K. Atreya, Invited Speaker, Space Research Institute (IKI) of the Russian Academy of Sciences, Moscow, Russia, June 1992.

  168. The Troposphere of Neptune, Invited Paper, Neptune Colloquium, Tucson, Arizona, January, 1992.

  169. The Middle and Upper Atmosphere of Neptune, Invited Paper, Neptune Colloquium, Tucson, Arizona, January, 1992.

  170. Solar Occultations from Phobos: Implications for the Martian Middle Atmosphere, with E. Chassefiere, Invited Paper, IUGG/IAMAP Plenary Meeting, Vienna, Austria, August, 1991.

  171. The GCMS (Gas Chromatograph Mass Spectrometer) Experiment on Cassini-Huygens Probe, S.K. Atreya, Invited Paper, European Geophysical Society Meeting, Wiesbaden, Germany, April 1991.

  172. The Martian Photochemistry -- Old and New, S. K. Atreya, Invited Paper, European Geophysical Society Meeting, Wiesbaden, Germany, April, 1991.

  173. Comparative Planetary Atmospheres of Neptune and Uranus -- A Post Voyager Perspective, S. K. Atreya, Invited Speaker, Observatoire de Meudon/Universite de Paris, France, March, 1991.

  174. Laboratory Measurements for Interpreting Solar System Observations, S. K. Atreya, Invited Panelist, "Physico-Chimie Liee Aux Missions Spatiales" Symposium of French Chemical Society and the French Physical Society, Paris-Meudon, October 1990.

  175. Physical Chemistry of Planetary Atmospheres, S. K. Atreya, Invited Speaker, "Physico-Chimie Liee Aux Missions Spatiales" Symposium of French Chemical Society and the French Physical Society, Paris-Meudon, October, 1990.

  176. Critical Laboratory Measurements for the Outer Planetary Atmospheres, S. K. Atreya, Invited Paper, Division of Planetary Sciences Meeting, Charlottesville, Virginia, October 1990.

  177. Thermodynamics and Photochemistry of Neptune's Atmosphere: Lessons from Voyager, S. K. Atreya, Invited Paper, COSPAR Plenary Meeting, The Hague, Netherlands, July, 1990.

  178. The Neptune Atmosphere after Voyager, S. K. Atreya, Invited Speaker, Goddard Space Flight Center, May, 1990.

  179. The Atmosphere of Mars after "Phobos": New Challenges, S. K. Atreya, Invited Speaker, European Geophysical Society Meeting, Copenhagen, Denmark, and April 1990.

  180. The Martian Middle and Upper Atmosphere, S. K. Atreya, Invited Paper, CNES/IKI International Colloquium on the Results of the Soviet Phobos Mission, Paris, France, October, 1989.

  181. Heterogeneous Chemistry in the Middle Atmosphere of Mars, S. K. Atreya, Invited Talk, in Discussion of Soviet Phobos Observations at Mars, Jet Propulsion Laboratory, Pasadena, California, August, 1989.

  182. An Evening Amongst the Giants, S. K. Atreya, Dinner Speech, Geological Sciences Sesquicentennial Symposium, University of Michigan, Ann Arbor, May 1989.

  183. Initiative in Laboratories for Planetary Atmospheres Research, Invited Paper, American Geophysical Union Meeting, San Francisco, California, December, 1988.

  184. Giant Planets: Clues on Past and Current Organic Chemistry in the Outer Solar System, Invited Lecture, with J. B. Pollack, Symposium on Exobiology in the Solar System, Sunnyvale, California, August, 1988.

  185. Uranus Photochemistry and Prospects for Voyager/Neptune, S. K. Atreya, Invited Paper, COSPAR Plenary Meeting, Helsinki, Finland, July, 1988.

  186. Outflow and Production Rate of H and O(1D)from Comets Halley and Wilson, Invited Paper, with R. B. Kerr, COSPAR Plenary Meeting, Helsinki, Finland, July, 1988.

  187. Upper Atmosphere of Uranus, Invited Paper, with D. Strobel, D. Shemansky and R. Yelle, Uranus Symposium, Pasadena, California, June 1988.

  188. Photochemistry and Vertical Mixing, S. K. Atreya, B. R. Sandel and P. N. Romani, Invited Paper, Uranus Symposium, Pasadena, California, June 1988.

  189. Stratospheric Chemistry on Uranus and Neptune, S. K. Atreya, Invited Talk, Goddard Institute for Space Studies/Columbia University, New York, February, 1988.

  190. Aeronomy of the Major Planets: Outstanding Problems and Challenges, S. K. Atreya, Invited Speaker, American Geophysical Union Meeting, San Francisco, December, 1987.

  191. Time Variable Structure and Chemical Disequilibrium in Jupiter's Atmosphere, Invited Paper, with P. Drossart, R. Courtin and A. Tokunaga, International Workshop on Time Variable Phenomena in the Jovian System, Flagstaff, Arizona, August, 1987.

  192. Titan - Atmospheric Evolution, S. K. Atreya, Invited Lecture, Geophysical Institute, University of Tokyo, Japan, July, 1987.

  193. Uranus, S. K. Atreya, Invited Lecture, Institute of Space and Aeronautical Science, Tokyo, Japan, July, 1987.

  194. Voyager Exploration of the Outer Solar System, S. K. Atreya, Invited Lectures, Purple Mountain Observatory, Chinese Academy of Sciences, Nanjing, China, June, 1987.

  195. Titan, Triton and Pluto, Invited Paper, with J. I. Lunine and J. B. Pollack, Origin and Evolution of Planetary Atmospheres Conference, Tucson, March, 1987.

  196. Observations of the Geocorona with Optical and Radar Techniques Near Solar Minimum, with R.B. Kerr, et al., Invited Paper, Coupling, Energetics, and Dynamics of Atmospheric Regions Workshop, Boulder, Colorado, December, 1986.

  197. Cloud Condensation and Photochemical Hazes in the Outer Solar System, S. K. Atreya, Invited Lecture, International Union of Pure and Applied Chemistry Meeting, Lisbon, Portugal, July, 1986.

  198. Neutral Upper Atmospheres of the Outer Planets, S. K. Atreya, Invited Paper, COSPAR/ICSU Plenary Meeting, Toulouse, France, July, 1986.

  199. Chemical Evolution of Planetary Atmospheres: Some Outstanding Issues to be Resolved From Earth Orbit, S. K. Atreya, Invited Talk, Earth Orbital Astronomy Workshop, NASA/JPL, January 1986.

  200. Saturn Upper Atmosphere, S. K. Atreya, Invited Paper, Cassini/Saturn Orbiter-Titan Probe Symposium and Workshop, Alpbach, Austria, September, 1985.

  201. A Search for H2S on Jupiter: Implications for Cloud Composition, Invited Paper, with G. L. Bjoraker and H. P. Larson, International Association for Meteorology and Atmospheric Physics Scientific Assembly, Honolulu, Hawaii, August, 1985.

  202. Une Journé Sur Uranus, S. K. Atreya, Invited Panelist, Observatoire de Paris, Meudon, France, March, 1985.

  203. Chemistry, Clouds and Aeronomy of Uranus and Neptune -- Predictions for Voyager Observations, S. K. Atreya, Invited Lecture, Observatoire de Paris, Meudon, France, November, 1984.

  204. Uranus and Neptune: Clouds and Photochemical Hazes -- Prospects for Voyager, S. K. Atreya, Invited Lecture, Imperial College of Science and Technology, London, England, October, 1984.

  205. Planetary Atmospheres and Ionospheres Modified by Ring Material, S. K. Atreya, Invited Paper, XXV COSPAR Plenary Session, Graz, Austria, June-July, 1984.

  206. Saturn, S. K. Atreya, Invited Speaker, European Science Foundation/European Space Agency Symposium of Planetary Science, Max Planck Institut fur Kernphysik, Heidelberg, Germany, April 1984.

  207. Upper Atmospheres/Aeronomy, S. K. Atreya, Invited Paper, Uranus, Neptune Workshop and Conference, Pasadena, California 1984.

  208. Ion Production in the Atmospheres of the Major Planets and Satellites, S. K. Atreya, Invited Paper, Yosemite Planetary Plasma Conference, Yosemite, California, January, 1984.

  209. Photochemistry and Cloud Physics of the Outer Planets, S. K. Atreya, Invited Paper, International Association of Meteorology and Atmospheric Physics Scientific Assembly, Seymour L. Hess Memorial Symposium, Hamburg, West Germany, August, 1983.

  210. Comparative Ionospheres of Uranus and the other Major Planets S. K. Atreya, Invited Paper, International Association of Geomagnetism and Aeronomy Scientific Assembly, Hamburg, West Germany, August, 1983.

  211. The Reducing Atmospheres: Major Planets and Titan, S.K. Atreya, Invited Colloquium, Wayne State University, Detroit, Michigan, April, 1983.

  212. Exploration of the Major Planets, S.K. Atreya, Invited Colloquium, University of Western Ontario, London, Ontario, January, 1983.

  213. Aeronomy of Jupiter and Saturn, S. K. Atreya, Invited Paper, XXIV COSPAR Plenary Meeting, Ottawa, Canada, May-June, 1982.

  214. Saturn: Upper Atmosphere and Ionosphere, S. K. Atreya, Invited Paper, Saturn International Conference, Tucson, Arizona, May, 1982.

  215. Energetics, Vertical Mixing and Aeronomy of the Atmospheres of Jupiter and Saturn, S. K. Atreya, Invited Lecture, The Royal Astronomical Society, London, England, January, 1982.

  216. Atmospheres of the Major Planets--A Post Voyager View, S.K. Atreya, Invited Lecture, The Johns Hopkins University, Baltimore, Maryland, October, 1981.

  217. Atmospheres, Ionospheres and Evolution of the Outer Planets and Titan, S. K. Atreya, Invited Speaker, International Association of Geomagnetism and Aeronomy Scientific Assembly, Edinburgh, Scotland, August, 1981.

  218. Saturn and Titan: Atmospheres and Evolution, S.K. Atreya, Invited Colloquium, Rice University, Houston, Texas, April, 1981.

  219. Upper Atmospheres of Saturn and Titan--Voyager Results, S.K. Atreya, Invited Speaker, NASA Planetary Atmospheres Principal Investigators Third Meeting, Baltimore, Maryland, February 1981.

  220. New Results on High Resolution Measurements of the Hydrogen Spectral Profiles with a Fabry-Perot Interferometer, Invited Paper, with J. W. Meriwether, Symposium on Equatorial Aeronomy, Arecibo, Puerto Rico, July, 1980.

  221. Measurement of Minor Gases in the Earth's Atmosphere, S. K. Atreya, Invited Speaker, XXIII COSPAR Plenary Meeting, Budapest, Hungary, June, 1980.

  222. The Jovian Upper Atmosphere, S. K. Atreya, Invited Speaker, XXIII COSPAR Plenary Meeting, Budapest, Hungary, June 1980.

  223. The Voyager Observations of the Atmosphere of Jupiter and its Environment: Implications for Aeronomy, S. K. Atreya, Invited Speaker, The Royal Astronomical Society Meeting, London, England, January, 1980.

  224. The Upper Atmosphere of Jupiter--Voyager Results, S.K. Atreya, Invited Speaker, NASA Planetary Atmospheres Principal Investigators Second Meeting, Boulder, Colorado, November 1979.

  225. Scientific Research with the Space Telescope, Invited Discussant, Institute for Advanced Studies, Princeton, N.J., August 1979.

  226. The Visible Atmosphere of Jupiter, S. K. Atreya, Invited Paper, Symposium on Planetary Surfaces and Atmospheres, COSPAR Plenary Meeting, Innsbruck, Austria, May-June, 1978.

  227. Model Ionospheres of Jupiter, S. K. Atreya, Invited Paper, International Astronomical Union Colloquium and Jupiter Workshop, Tucson, Arizona, May, 1975.


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