Meanwhile, mission specialist Charlie Camarda and pilot Jim Kelly have been continuing to inspect the shuttle for damage sustained during the climb to orbit, using the shuttle's 15m-long boom to photograph and scan Discovery's port wing.
The debate was attended by nearly 100 participants, and speakers including Jeremy Dear (NUJ), Nicholas Jones (previous BBC correspondent), Charlie Beckett (Director of POLIS), John Kelly (Reuters Institute Visiting Fellow, Washington Post) and Ashley Norris, (Co-founder and Director of Shiny Media), providing compelling statements drawn from a wealth and range of professional experience.