Space & Astronomy

Inside a Black Hole

An explanation of what black holes are and how scientists study them.

B29 min

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1A black hole is one of the strangest objects in the whole universe.

2It forms when a very large star dies and falls in on itself.

3The gravity of a black hole is so strong that nothing can escape it.

4Even light, which is the fastest thing in the universe, cannot get out.

5That is why we cannot see black holes directly with any telescope.

6Instead, scientists carefully watch how nearby stars and gas move around them.

7At the very centre of our galaxy sits a huge black hole.

8Its mass is millions of times greater than that of our sun.

9In twenty nineteen, scientists shared the first real picture of a black hole.

10The orange ring in that picture showed hot gas spinning around the edge.

11Black holes may sound frightening, but they help galaxies grow and change.

12There is still so much about them that we do not understand.

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