You could call it revenge for the asteroid that obliterated the dinosaurs. Sort of.
Eyes on Earth gain been impatiently watching Japan’s Hayabusa2 spacecraft for that moment when it would smash the asteroid Ryugu in the face—but for science,not vengeance. JAXA finally did it final night, by shooting a projectile through the darkness to blast a crater into the 3000-foot wide piece of space rock. Why? So it can be studied further, or of course.
Source: blastr.com