Coming Face-to-Face With Our Galaxy's Black Hole

Coming Face-to-Face With Our Galaxy's Black Hole : Discovery News: "At the center of our galaxy resides an invisible monster, a dark giant composed of the shredded and swallowed remains of stars, nebulae and solar systems. It has captured enormous nearby stars into orbit, causing them to whip around the galactic center at breakneck speeds until they too become just another snack."