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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.
Where the door had been there was now just a black hole.
Right now she didn't have the energy to think about black holes.
Wörterbuch für Astronomie