Hints: galaxy March Nuker 48’處有一破折號(hào)( -- ) apocalyptic

Exactly how galaxies were created has troubled the world's leading astronomers and physicists for decades. But in March 2000, scientists found evidence for an extraordinary answer.
The Nuker team is a group of world respected astronomers, but they are not galaxy experts. They are experts in the most violent and destructive forces known to science -- supermassive black holes. Until recently, supermassive black holes were mere theory. These are giant black holes of apocalyptic proportion.
Supermassive black holes are a million to a billion times the mass of, of a, of a typical black hole.
They could fill a whole solar system.

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