and also through the material that's expelled and moving in the opposite direction to the impact. was switched on the net effect is to enhance the forward momentum. as in a jet engine with mass propelled to the rear and forward acceleration this morning on the field but that's only really effective against smaller asteroids that are dense and solid and not crumbly and poorest rock piles. then best the third method blast deflectors. the line say it also sort of a very big object we're heading here and we only noticed rather late we'd have to resort to our last line of defense and detonate a nuclear device. to fall out my lot in the worst case that could have a scatter shot effect breaking up the body into smaller pieces which would rain down on earth and could have very serious consequences you. can feel. but