Tuesday, November 22, 2011

Distance measurement is key to producing first "complete description" of a black hole - Astronomy Magazine

Distance measurement is key to producing first "complete description" of a black hole - Astronomy Magazine:

"For the first time, astronomers have produced a complete description of a black hole, a concentration of mass so dense that not even light can escape its powerful gravitational pull. Their precise measurements have allowed them to reconstruct the history of the object from its birth some six million years ago."