Black holes - facts 5

The event horizon is the boundary of a black hole from which nothing can escape, including light.

Black holes - facts 4

Some dying stars can become a black hole.

Black holes - facts 3

Supermassive black holes are the largest type of black holes, with some on the order of billions of solar masses.

Black holes - facts 2

Nothing can escape a black hole, including light.

Black holes - facts 1

Black holes are areas in space that have extreme high gravity.