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1·Hence, a rotating black hole is called a Kerr black hole, 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 Kerr black hole, there is no point singularity, but rather a ring singularity-a spinning one-dimensional ring held open by its own momentum.

科尔黑洞中心是不是奇点而是奇环-由自身动量维持的一维环形。它有两个视界(外部视界和内部视界)以及一个椭圆形的能层(ergosphere)。

3·The best description of a spinning black hole was given in 1963 by the New Zealand mathematician Roy Kerr, using Einstein's equations of gravity.

一个旋转黑洞的最佳描述是在1963年获得由新西兰数学家罗伊克尔，利用重力爱因斯坦的方程序。

4·Kerr showed that a spinning black hole would collapse not into a point, but to a ring of fire.

克尔表明，旋转的黑洞会崩溃没有把一个点，而是一个“火环。”