Tags David Shayler UK spaceflight historian British Interplanetary Society human space exploration lunar return Mars Astro Info Service Helen Sharman Mir ISS Skylab commercial space stations Gemini Lessons Learned Apollo 11 Salyut space station UK Astronaut Tim Peake robotic mission Exoplanets searching for life off Earth space tourism interstellar flight orbital human spaceflight human spaceflight timeline space education space social media Guest David Shayler Tagline author & space hsitorian, re the BIS, Skylab, human spaceflight & much more View the discussion thread.