An asteroid which is the size of a football field is likely to hit Mars on January 30th. Near Earth Object Program enthusiasts are excited about this event. “What if the asteroid changes its course towards Earth?” Well, that is likely to happen only in movies. It made me search for more information and I ended up reading about Tunguska Event which happened in 1908 at Russia. How would you deflect an asteroid? Would we use nuclear missiles or create a collision with the asteroid or use antimatter to destroy it? Search proceeds..