TGP NOMINAL 4.7
Join Mark Taylor and John Berger as they discuss everything from 3D printing to Spacex Falcon Heavy.
Honorary Crew Member 'Dr Ryan Kobrick' answers your questions from the Mars Desert Research Station.
The guys are joined by 'Dave Littmann' NASA's Tracking and Data Relay Satellite (TDRS) Project Manager for a chat.
And last but by no means least, their Resident Astronomer 'Ross Hockham' returns to guide us through March skies and reveals the Object Of The Month for March.