Kollokation
First he's got to tell them what a black hole is.
At least one office in Washington is not a black hole.
We do not know much about the inside of a black hole.
A black hole could be just what he needed now.
She seemed to come out of a black hole and fall back into one.
Near a black hole they can be large, we think.
There was a black hole in the middle of the film.
In fact, that black hole used to be our sun.
However, they will break down at the end of the black hole's life when its mass gets very small.
Where the door had been there was now just a black hole.
