Doomsday Event....End of Earth ?

Did you ever thought of " fate/future of earth " ?

Surprisingly, I was thinking of stars...planets...universe...galaxy....n all that.....from days back.

And to my interest I got to know about these theories .... like Doomsday.

And for more information, you are one click ahead.

http://en.wikipedia.org/wiki/Doomsday_event

http://www.youtube.com/watch?v=pS7Rky3V7Wk&feature=fvw and related videos