Today, scientists announced a historic breakthrough. For the first time ever, humanity photographed a supermassive black hole millions of light years from earth. No one is quite sure what happens at the center of a black hole: they are one of the great awe-inspiring mysteries of the cosmos. Here on earth at the Squirt.org HQ, we’ve managed to pull together a few photos of some equally glorious holes known to mankind. Careful, their gravitational pull might just suck you in!