Guest:  Dr. Jay Pasachoff; Topics:  Art and Science, astronomy, comets, mythology, artists and comets, cultural history, sunspots, climate change, CO2, astronomy history, famous astronomers and their work, famous artists of astronomy subjects plus more.

Guests: Richard Easton & Eric Frazier. Topics: GPS and their book, "GPS Declassified: From Smart Bombs to Smartphones." Please direct all comments and questions regarding Space Show programs/guest(s) to the Space Show blog, http://thespaceshow.wordpress.com. Comments and questions should be relevant to the specific Space Show program. Written Transcripts of Space Show programs are a violation of our copyright and are not permitted without prior written consent, even if for your own use.

Guests: Roger Easton and his son Richard Easton were the guests for this Space Show program. Roger Easton was the designer of the Vanguard 1 satellite, which was key to the Vanguard project, and was the person who conceived, patented, and led the development of critical enabling technologies for the US GPS system. He was also the recipient of the National Medal of Technology which was awarded to him in November 2005. We started the discussion with Roger Easton about Vanguard and the precursor program, the Viking Sounding Rocket program.