First one is wrong, second one sounds good. Sigue así!
In the centre of a black hole is a gravitationalsingularity<span>, a one-dimensional point which contains a huge mass in an infinitely small space, where density and gravity become infinite and space-time curves infinitely, and where the laws of physics as we know them cease to operate.</span>
If you're asking what this means, I think it's "Do you want to put on your clothes?"
