Hence, a rotating blackhole is called a Kerrblackhole, and it has some unusual properties.
因此,一个旋转的黑洞被称为科尔黑洞。它有一些不寻常的属性。
2
At the centre of a Kerrblackhole, there is no point singularity, but rather a ring singularity-a spinning one-dimensional ring held open by its own momentum.