Close Advertising A Piece of the Sun Missing? | NASA's Unexplained Files (Full Episode) A chunk of the sun appears to have vanished. An ominous dark craft beneath the Shuttle Endeavour. And Hubble spots thousands … NASA astronauts mysterious universe nasa NASA's Unexplained Files reality tv series rockets science science channel full episodes science channel videos Space ufo ufos unexplained sightings 95232 views 0 / 0
