Black hole found at center of galaxyStory Highlights

[Jebins]

CNN) -- German astronomers say they have discovered conclusive proof of a supermassive black hole at the heart of the galaxy.

The 16-year study involved tracking the movement of 28 stars at the center of the Milky Way using telescopes at the European Southern Observatory in Chile.

http://edition.cnn.com/2008/TECH/spa...ole/index.html