*NOW IF YOU DON'T LIKE THE VIDEO,FINE BUT DON'T LEAVE BAD COMMENTS*
In the year 2126, Comet Swift Tuttle will cross the Earth's orbit.Scientists have ruled out 80% that the Comet will hit earth,but for the remaining 20% they still do not know.It could hit Earth or it could'nt and here is a video telling you what would happen to Life on Earth and the Earth it's self,if the comit did manage to collide with Earth.
Here is a link to some info:
http://www.oarval.org/section3_16.htm
http://en.wikipedia.org/wiki/109P/Swift-Tuttle
Also if Swift Tuttle does'nt hit the Earth,there is another Space Object to worry about to,this object is not a Comet but an Asteroid and it's name is 1950DA,and this will most definitely slam into the Earth in the year 2880.You can find more info on it on the links down below:
http://neo.jpl.nasa.gov/1950da/
http://en.wikipedia.org/wiki/(29075)_1950_DA
Tags: comits space earth science collision destruction dieing extinction