Click here to ask Stephen Hawking a question . `` 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:
`` 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: