( CNN ) -- `` The moon 's been there for about four billion years and it 's moving further and further away from the earth . And it 's been a destination or quizzical thing for humans for thousands of years , centuries ; it 's been something that you dream about . '' -- Astronaut Buzz Aldrin on `` The Spirit of Space . '' On the fiftieth anniversary of NASA , we speak to eminent space expert , Stephen Hawking . As NASA celebrates its fiftieth anniversary , `` The Spirit of '' takes a look at space . We will examine whether space exploration has progressed as quickly as it could have -- and take a look at what we can expect in the future . The show will also feature an exclusive interview with world-renowned scientist and space expert , Stephen Hawking who we will be asking questions suggested by our Web site users . Click here to ask Stephen Hawking a question . Part one of the show will include interviews with NASA Director Dr Michael Griffin , Hubble expert Dr Ed Weiler and one of the first men on the moon , Buzz Aldrin . It will also include a report from CNN 's Space Correspondent Miles O'Brien who has been training with the Hubble astronauts . It will also feature an interview with Owen and Richard Garriott . Owen was an astronaut and his son is about to complete his training at Moscow 's Star City prior to embarking on his first space flight . In part two , we will focus on how Europe is faring in the `` Space Race . '' It will feature interviews with European Space Agency Director General , Jean-Jacques Dordain and with ESA 's Director of Human Spaceflight and exploration , Ms Simona di Pippo . In the final part of the show we will be looking at space tourism through the eyes of hopeful space tourist , scientist Stephen Hawking .
`` The Spirit of '' heads for the stars in October . We pick space genius , Stephen Hawking 's brains about the universe . Plus , an interview with father and son astronauts , Owen and Richard Garriott . Comment: