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Black Holes Encyclopedia

The Hole Story

BH Reinhardt

Like Maximilian Schell in "The Black Hole," many astronomers are closely studying black holes.

Black holes are one of the busiest research topics in all of astronomy. Scientists around the world are exploring the link between black holes and their parent galaxies, looking for the "missing links" between stellar-mass and supermassive black holes, examining the environment around the black hole at the center of the Milky Way, and "listening" for the signature of merging black holes in gravitational waves. They are also probing the bizarre physics at the centers of black holes and exploring many other topics. These pages provide an overview of some of this cutting-edge research and give you a peek at the backgrounds of some of the world's top black-hole researchers.

Best-Case Scenario

Star tracks lead astronomers to an inescapable conclusion about an inescapable object at the heart of the Milky Way galaxy. More »

Jiggling Spacetime

Scientists are "listening" for the birth of black holes by measuring tiny ripples in spacetime. More »

Right-Sizing Black Holes

Astronomers study the link between the mass of a black hole in the center of a galaxy and the mass of the surrounding "bulge" of stars. Coming soon.