What Causes a ‘Black Hole’ in Space?

A black hole is like a super strong vacuum cleaner for stars. When a big star runs out of energy, it explodes in a big boom, called a supernova, and then collapses into a tiny, dense point. That point has such powerful gravity that not even light can escape from it.

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Examples

A black hole is like a giant vacuum cleaner that eats up everything around it, including light.
Imagine your favorite candy bar shrinking down to a single grain of sugar but still having the same sweetness, that’s how dense a black hole can be.
If Earth were turned into a black hole, it would fit inside a marble.

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Categories: Space · Black Holes,Stars,Gravity