Blast-Off to Space: Black Holes
What is a Black Hole?
A place in space where gravity pulls so much that even light can not get out or escape.
Why is the gravity so strong at the center (singularity) of a Black Hole?
Because all matter is being pulled in to such a small area so the gravity become super-intense.
What is a Singularity?
The center of a black hole where matter collapses