National Geographic collects incredible images illustrating what are black holes mechanisms. These immense invisible zones have an enormous gravity force that can attract and destroy stars and planets. Black holes’ gravity is so strong than no materials and no emanation can escape. They are considered as invisible but some technique exists to track them and know how they work.
Illustration : Mark A. Garlick
Projected from the black hole at the center of galaxy M87, a mountain of gas is spread across several thousand light-years / Nasa Hubble Heritage Team
A view through the massive galaxy cluster called Abell 1689. The cluster acts as a gravitational lens, distorting the images of galaxies that lie behind it / Nasa and European Space Agency
