'An area in space where the pull of gravity is so strong nothing can escape, not even light'
black hole
THE UNIVERSE: An area in space where the pull of gravity is so strong nothing can escape, not even light
An area in space where the pull of gravity is so strong nothing can escape, not even light
An area in space where the pull of gravity is so strong nothing can escape, not even light
THE UNIVERSE
black hole
THE UNIVERSE