Марс Original air date: November 25, 2018 1 p.m. PT (4 p.m. ET)
NASA's Mars Interior Exploration using Seismic Investigations, Geodesy
and Heat Transport (InSight) spacecraft is on track for a soft touchdown
on the surface of the Red Planet on Nov. 26. NASA Social attendees and
media ask questions from the audience and on social via #AskNASA.