What is inside of a black hole?

Inside the event horizon is where physics goes crazy. Calculations suggest that what the fabric of spacetime looks like inside a black hole depends on that particular black hole's history. It might be turbulent, twisted, or any other number of things. read more

Think of the black hole like a hole at the bottom of a steeply sloping valley: the steep ground outside the hole is the space just outside the event horizon. It’s still steep enough that light has to struggle to climb up, but it’s outside the hole itself. read more

"To know what's inside a black hole, we need something to come out from behind the event horizon, and reach us via a telescope. The easiest thing for astronomers would be light, but a black hole is so massive not even light can escape so no information can get out," he said. read more