Guest:  Dr. Mackenzie Day;  topics:  Ghost dunes on Mars, dunes around the solar system, sand, Earth models, human Martian exploration, rovers, drones for Mars, planetary protection, liquid water on Mars and more. 

Guest:  Laura Montgomery; Topics:  FAA, Dept. of Commerce, NOAA regulatory issues, commercial space, space property rights, multi-lateral treaties vs. federal law, planetary protection & more.  Please direct all comments and questions regarding specific Space Show programs & guest(s) to the Space Show blog which is part of archived program on our website, www.thespaceshow.com.   Comments and questions should be relevant to the specific Space Show program.

Guest:  George Lordos; Topics:  Mars innovative design and tech development, space economics, commercial space stations and much more.  Please direct all comments and questions regarding specific Space Show programs & guest(s) to the Space Show blog which is part of archived program on our website, www.thespaceshow.com.   Comments and questions should be relevant to the specific Space Show program.

Guest:  Dr. Tom Jones; Topics:  Multiple topics including returning to the Moon, Mars, lunar landers, human risk factors, artificial gravity, planetary defense & protection, Apollo 7, NASA budget, ISS commercialization and more.  Please direct all comments and questions regarding specific Space Show programs & guest(s) to the Space Show blog which is part of archived program on our website, www.thespaceshow.com.  Comments and questions should be relevant to the specific Space Show program.

Guest:  Dr. Dirk Schulze-Makuch; Topics:  "The Cosmic Zoo, the evolution of complex life. Advanced life vs intelligent life, astrobiology, and more.  Please direct all comments and questions regarding specific Space Show programs & guest(s) to the Space Show blog which is part of archived program on our website, www.thespaceshow.com.   Comments and questions should be relevant to the specific Space Show program.