Beginning June 29, Brian Cox returns to host the first ever 48-hour global broadcast about asteroids & space. Bringing together asteroid experts, astronauts, policy makers and celebrities. This 6-hour Live segment from Luxembourg begins at 12PM CEST (6AM ET) on June 29. It will be repeated on June 30 and July 1. ESA and the European Southern Observatory are producing their own LIVE segment on June 30.