NASA has already spent some time explaining why all the 2012 End of the World theories are as stupid as those who postulate them. This video is not by NASA, but it summarises things perfectly.
We knew that the world isn't going to end consumed by a supernova in 2012. Now NASA has published another article debunking another doomsday imbeciles' theory: cosmic alignment between Sun, Earth and the huge black hole at the center of the galaxy.
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