ASTRONOMY:
The Milky Way's Dark, Starving Pit
Robert Irion
Probing deeper than ever before into the heart of the Milky Way, astronomers have detected giant stars hurtling around an unseen mass in tight orbits at as much as 3% of the speed of light, all but proving that our galaxy harbors a huge black hole. Now astronomers are trying to understand why it consumes so little of the available gas, among other conundrums.