well you know there are a lot of asser as you mentioned before that there are you know of of order a million or so esther is large enough to destroy a major city out there but space is big so they're spread out few and far between so they don't basically don't hit each other very much at all but as you're correct that makes it a challenge to find them because they are you know like the i mentioned before the size that could be dangerous could be as small as a building and if you put that millions of miles away from the earth it can be quite difficult to detect and that's what we're all working towards is finding and tracking them but it is possible to say an asteroid is detected and we know it's had it towards earth and it's huge and will destroy the planet if it hits now you're saying we can stop it with spacecraft sent to the rock from its past so it misses our planet so this kind of spacecraft already developed first off we should we have to talk about the size of the asteroid first if it's something that's going to be enough to say kill off everyone on earth then it's going to be

the same length asser hea ese s earhart's plane.e a lot of evidence she lived and survived in the marshall islands. >> you can see more tonight at 6:30 on "nightly news." police join me and congratulating operation yellow ribbon. >> he looks pretty happy. they received the wa-wa foundation hero award. it honors nonprofit organizations committed to serving their community. >>> how about the winners of our big summer giveaway, including wa-wa coffee for a year, a patio set from kelley line and fen, a getaway, two-day passes from made in america show, and our trip to watch a live taping of "america's got talent" in last. we were announcing them when the deluge was coming down. the winners will be contacted, if they haven't already. >> i'm sure they're happy, despite that weather out there. >> i know. crazy. >> have you dried out? >> barely. you? >> yes, it was just this one side. >>> a twitter feud fuels one show's rating. >> a fight with the president is bringing new eyes to a morning show. >>> it's about to cost more to make dinner,