Source: Reuters NewsNASA managers already have deemed 90 percent of Discovery's heat shield able to withstand the tremendous forces and high heat of atmospheric re-entry on Aug. 8.
But NASA has discovered two protruding gap fillers, which is material used to fill any minute gaps between heat shield tiles. A decision about whether the crew will be asked to fix them is expected on Monday, Hill said.
I would hate to be stuck in outer space and waiting on the NASA research teams to look at pictures and see if I was going to make it home. Talking about not being able to sleep because of stress!