a mass and its tiny moon the moon one craft will observe and send a lander to take samples from. the other will be sent crashing into did he mean. it. like a game of cosmic billiards. neo shield scientists are trying to model how much did he noone will change course as a result. the ends tomorrow in situation freiburg germany is simulating taking aim at asteroids with a space gun this incredibly fast accelerator is used to fire tiny alabamian projectiles at different kinds of rock at speeds approaching ten kilometers a second. the force of impact is nearly doubled as material from the asteroid surface flies in the opposite direction it's called momentum announcement these and file transfer have here momentum transfer through the impact of the projectile and also through the material that's expelled and moving in the opposite