Martin is joined in the studio by space journalist, Sarah Cruddas and Professor of Planetary Science, Ian Crawford to discuss the biggest space stories of 2016. Subscribe: https://www.youtube.com/channel/UC7fWeaHhqgM4Ry-RMpM2YYw?sub_confirmation=1 Livestream: http://www.youtube.com/c/trtworld/live Facebook: https://www.facebook.com/TRTWorld Twitter: https://twitter.com/TRTWorld Visit our website: http://www.trtworld.com/
