From Tornadoes to Black Holes
- Episode aired May 13, 2009
There's a gigantic black hole at the center of our galaxy with gravity so strong that nothing can escape from it, not even light.There's a gigantic black hole at the center of our galaxy with gravity so strong that nothing can escape from it, not even light.There's a gigantic black hole at the center of our galaxy with gravity so strong that nothing can escape from it, not even light.