A couple of weeks ago, the space probe Stardust passed by the comet Tempel 1. While I was perusing the NASA images, I found this one:
I couldn't help but notice the comet seemed a little angry. I made it a little more obvious:
Of course, if someone smashed a 370 kilo block of copper into me at 10 times the speed of a rifle bullet, I'd be pretty angry myself!