To see what happens inside of a black hole, we need to use a metric other than the Schwarzschild metric since the Schwarzschild metric has problems at r=2M . There is actually another spherically sym...To see what happens inside of a black hole, we need to use a metric other than the Schwarzschild metric since the Schwarzschild metric has problems at r=2M . There is actually another spherically symmetric solution to the Einstein Field Equations called the Global Rain metric. The word "rain" is a reference to the fact that the T-coordinate is measured by steadily infalling clocks.