Hyperfast Stars Point to Black Hole Slingshot

Hyperfast Stars Point to Black Hole Slingshot : Discovery News: "The black hole at the center of our Milky Way galaxy is by far the nearest such supermassive gravitational monster to our sun, yet observing this space-time maelstrom is a challenge because it is 27,000 light-years away and obscured in visible light by intervening star clouds and dust lanes in the galactic plane."