Geoffrey Alan Landis is an American aerospace engineer and author, working for the National Aeronautics and Space Administration on planetary exploration, interstellar propulsion, solar power and phot
Landis at the 75th World Science Fiction Convention, Helsinki, 2017
The Zephyr landsailing rover, a concept for a wind-propelled rover on the surface of Venus. Image from NASA John Glenn Research Center, for the NASA Innovative Advanced Concepts ("NIAC") project.
Geoffrey Landis combined his scientific insights about Venus cloud layer habitability in his science fiction work The Sultan of the Clouds (2010).
The Discovery Program is a series of Solar System exploration missions funded by the U.S. National Aeronautics and Space Administration through its Planetary Missions Program Office. The cost of each
Geoffrey A. Landis
…Lander). He has also done work on analyzing concepts for future robotic and human mission to Mars. These include the Mars Geyser Hopper spacecraft, a Discovery-class mission concept that would investigate the springtime carbon dioxide Martian geysers found in regions around the south pole of Mars, the Human Exploration…
Depictions of the Lucy and Psyche missions
Asteroid Eros regolith, as viewed by Discovery's NEAR Shoemaker mission
Mars Pathfinder's view of Ares Vallis