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• Science magazine special issue on results from the Spirit rover at Gusev crater.
• Martian Water: Are There Extant Halobacteria on Mars?" Astrobiology Vol. 1, No. 2, pp. 161-164 (2001). doi:10.1089/153110701753198927.
• Polar Landing Site for a First Mars Expedition, presented at the Founding Convention of the Mars Society, August 13-16 1998.
• Characterization of Martian Surface Deposits by the Pathfinder Rover, Sojourner
• Magnetic Shielding
• Effect of Inert Propellant Injection on Mars Ascent Vehicle Performance
  PDF files:
  
• All of my papers on the Lunar and Planetary Institute site
• Papers presented at the 7th International Conference on Mars:
  • Dust Devils in Gusev Crater: A Second Year of Observations by the Spirit Rover
  • Mars Sample Return with ISRU
  • Mars Atmosphere Argon Density Measurement with the Alpha Particle X-Ray Spectrometer on MER Missions
  • Atmospheric Observations Using MER miniTES
• Some other abstracts presented at Lunar and Planetary Science Institute sponsored conferences:
  • G. Landis and D. Linne, "Mars Exploration with a Self-Refueling Hopper" (pdf file) presented at Concepts and Approaches for Mars Exploration, Houston TX, July 18-20 2000, Lunar and Planetary Institute Contribution No. 1062, pp. 187-188.
  • "MATE and DART: an instrument package..." (pdf file) presented at Concepts and Approaches for Mars Exploration, Houston TX, July 18-20 2000, Lunar and Planetary Institute Contribution No. 1062, pp. 189-190.
  • The Mars In-Situ Propellant Production Precursor, presented at LPI Mars Missions 1999 meeting.
  • Characterization of Settled Atmospheric Dust by the DART Experiment
• Mars Solar Power
• Footsteps to Mars in pdf form, from the Journal of the British Interplanetary Society
• Dust on Mars: Materials Adherence Experiment Results from Mars Pathfinder
• "Origin of Martian Moons from Binary Asteroid Dissociation", AAAS - 57725, American Association for Advancement of Science Annual Meeting 2002
  

• Degradation of the Lunar Vacuum by a Moon Base
  --see also the popular article on the subject in Analog : Air Pollution on the Moon
• Lunar Production of Solar Cells
• Materials Refining for Solar Array Production on the Moon
• Production and use of metals and oxygen for lunar propulsion (pdf file of scanned report)

• Atmospheric Flight on Venus (pdf from STI server)
• Colonization of Venus
• Astrobiology: the Case for Venus
• Evaluation of Long Duration Flight on Venus
• Robots and Humans: Synergy in Planetary Exploration
• Venus Surface Exploration
  • Information on the NASA page
  • animation
  • presentation from the VEXAG (Venus EXploration Advisory Group meeting
• Slides from Lecture about Venus exploration at MIT in 2008.

• Laser Propelled Interstellar Probe
• Optics and Materials Considerations for a Laser-pushed Lightsail
• Laser Powered Interstellar Probe (abstract only)
• Robert A. Metzger and Geoffrey Landis, "Multi-Bounce Laser-Based Sails"
• Natural Wormholes,
  • (press release here)
• The Fermi Paradox: an Approach Based on Percolation Theory

• High-Temperature Solar Cell Development (pdf)
• Review of Space Solar Array Technology 1997
• Reinventing the Solar Power Satellite from the Houston IAF Congress, NASA TM-2004-212743 (pdf file)
• Super-synchronous Solar Power Satellite
• Prospects for Solar-pumped semiconductor lasers
• Steps to Solar Power Satellites

• R&T 2006 report
• Solar Airplane for Venus
• Thermionic Emission of Carbon Nanotubes
• Stirling Cooler for Venus
• DART Instrument Package
• Mars Array Technology Experiment
• Lightweight Sun Position Sensor
• Measuring Dust on Mars

• Geoffrey A. Landis
• more reports: G. A. Landis
• Abstracts and text (as pdf file) of selected NASA Technical Reports are also on the old NASA Glenn Technical Report Server. Use the search engine to look for my name, or key words: search GLTRS (2006 and later reports)

• The Three Rocketeers

Essays

• Apollo Remembrance
• Where do we go?: if we can't travel faster than light, are our dreams of exploration hopeless?
• Everything I Really Needed to Know I Learned from Playing Tetris
• Spinning Wheels, Democracy and the USS Enterprise (from Asimov's SF)
• Science, Fiction, Poetry (introduction to the MindSparks Poetry anthology)
• Infinite Space (from Absolute Magnitude Fall 1996)
• Text of three Science Fiction Age "Science Forums" that I conducted or participated in, on the subjects of
  • Faster than Light
  • Slower than the Light interstellar flight, and
  • Mars Exploration.

• Back to Landis home page