Tonight"the last days of earth" listed top 7 threats to life on earth #7 deep space gamma ray bursts, #6 wandering blachkholes #5yellowstone super volcano , #4 asteroid impact,#3 existing nukes,#2 bio weapons/natural plague,#1 Global warming...take it for what its worth... gamma ray burst is the final collapse of a star largest explosions known to our universe.,One in our galaxy would wipe out our ozone layer end of all life as we knowit. ( eolawki)
