How could we hope to detect a black hole, as by its very definition it does not emit any light? It might seem a bit like looking for a black cat in a coal cellar. Fortunately, there is a way. As John Michell pointed out in his pioneering paper in 1783, a black hole still exerts a gravitational force on nearby objects.
| Game | Time | WPM | Accuracy |
|---|---|---|---|
| 61 | 2019-02-03 02:48:56 | 154.59 | 99% |