(..) They're the same size as our entire solar system. And one of these monsters lies at the heart of our own galaxy. Narrator: Our solar system lies in the milky way galaxy. It's made up of billions of stars, including our sun... ...All revolving around a mysterious region Right at the center. (..)

(..) Right here in our own cosmic neighborhood. We now know there are wandering nomads Throughout the milky way galaxy -- Vagabonds throughout the galaxy, Where black holes can come up right behind you And perhaps gobble you up, and they won't even burp. (..)