A black hole is in space. Not even light gets out.
We can not see black holes. No light comes out.
Black holes come in different sizes.
The biggest ones are called supermassive black holes.
Black holes are matter squeezed into a very small space.
A black hole's edge is called the event horizon.
Nothing can come back once it crosses the event horizon.
A big star runs out of fuel. Some become black holes.
Space telescopes can help find black holes.
A giant black hole is at the Milky Way's center.
Words to know
- supermassive: biggest black holes
- horizon: its edge
