yep that's basically a "black hole"... a big mass compacted in a tiny space , such that not even the light can scape the gravitational force...


on other news:
it's nice to have a physic here in the org

I for myself always liked physics...

I even wanted to study them , but... I don't like giving classes <.< that's the main reason I tend to refuse scientific studies , cause I don't like teaching >.>