Guest:  Dr. Kirsten Howley; Topics: Astrophysics issues, dark matter, dark energy, quantum entanglements, time travel, intelligent life in the universe, Big Bang and much more. 

Guest:  Joe Pappalardo;  Topics:  Joe's recent articles for Popular Mechanics on topics such as spaceports, European competition with SpaceX launchers, commercial space and more. 

Guest:  Colin Stuart;  Topics:  "How To Live In Space" issues, human spaceflight challenges, lunar and Mars living conditions, LEO and more.

Guest:  Dr. Jay Melosh; Topics: Asteroids, comets, planetary defense, impact craters, dinosaurs & their death, planetary geology and geologic violence. 

Listeners:  Plesae note that this program has yet to be archived by John Batchelor.  I'm unable to upload it to The Space Show archives until it first appears on John's podcast website.  I will keep you posted.

Thanks.

David

Guests: John Batchelor, William (Bill) Harwood, Dr. David Livingston.  Topics:  Orion Multipurpose Capsule, flying to the Moon, Mars, SLS, Gateway, delays & more.