Cygnus X-1 remains one of the best-studied black holes. Our knowledge of it just got even better.

Cygnus X-1 remains one of the best-studied black holes. Our knowledge of it just got even better.
East Africa may look very different in five to ten million years.
The answer, as usual, is somewhere in the middle.
That would be the dream.
The answer is right under your nose. Obviously.