Probability but they initially said north america was in the clear. here is a look at this in 1991 when nasa first launched it to study the ozone lay. and this is amateur video from last week showing the bus-sized spacecraft on course to hit earth. nasa says it is highly unlikely that the dead satellite will hit anybody and it will break interest pieces and burn up as it moved to the united states, but, roughly 1,200 pounds of space thing will withstand re-entry. officials predicting the debris will spread out over 400 to 500 mile area. and now, nasa officials say there is a possible it could ...