The experience is out of this world!
It's not often you meet someone who has ventured outside of our world and stepped into the largely undiscovered void of space. So naturally we were fascinated when veteran NASA astronaut Brian Duffy dropped in to tell his extraordinary tales of adventure and why he believes space travel is the future of humanity...
The former space shuttle pilot, who became an astronaut in 1986 and has completed four missions, told Christine: ''The experience is out of this world - quite literally!''
Watch Brian's captivating interview above!