Appearing briefly at the start of the show, Richard C. Hoagland(1) commented on the possible Martian asteroid hit(2). He suggested that the collision would take place on Jan. 31st rather than an earlier date.

1. http://www.enterprisemission.com/
2. http://www.latimes.com/news/printedition/asection/la-sci-mars21dec21,1,3949708.story?coll=la-news-a_section&ctrack=1&cset=true