it's so terrible, so many prediction in 2012 about chaos, disaster, destruction or whatever sick prediction, but it's a shocking news, nasa made too the prediction about 2012!
see this title and the article from other web
Cosmic dust to devastate earth in 2012?
Video : Mayan Prediction
Solar Storm Warning
2012 in wiki
and many more...
only the god knowing the true about 2012, then the human just pray to safety of world, let's pray now!