O meteorach, asteroidach i planetoidach zagrażających Ziemi.
http://www.facebook.com/SciFunPL
Link dla telefoniarzy: http://www.youtube.com/watch?v=iwGFalTRHDA
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http://www.freestockmusic.com/license-agreement/
http://www.freestockmusic.com/2011/pop-production-music/free-pop-rock-production-music-forever/
Animations and graphics – public domain.