fear of 2012

wat is world gonna be after 2012?

Is 2012 december 21 a judgement day for Earth

There are many proofs which signifies that our mother EARTH wont have children after 2012 .
According to few scientist there is a huge comet "NEBULA" which has an orbit intersecting to that of our EARTH ,so on 21st DEC when these two bodies touch each other our EARTH will split into pieces...
The Historians say " according to Mayan Calender (EGYPT-which is believed to be accurate) says the world ends in 2012 dec21...
Also there is a Nostradamus prediction which say the world ends with a world war3

drought,valconoes,Earth quakes,tsunami,Hurricanes,famine,hunger these may be the symptoms before the world ends