Have you ever wondered how the legendary
Here are some of the highlights from the video.
What actually is at the center of a black hole? A singularity - or tons of matter packed into a tiny space. That high concentration of matter basically creates infinite gravity - that's why nothing can escape a black hole.
What happens when a black hole disappears? It explodes, and the explosion has a force equivalent to a million nuclear bombs.
Why is Stephen Hawking so well-known? His work suggests that at one point, everything in our universe was squeezed into one of those singularities. Then, it exploded into the universe as we know it now.