More facts about black holes
1. Introduction: Black holes are one of the strangest, mysterious and the most dangerous things in space. These are also the heaviest and have largest mass than anything. We can imagine black holes as black discs or in our daily life black CDs or DVDs. We cannot see black holes usually but we can see them because of rotating disks around them known as accretion disks. We can also see them while exploding or sucking something. 2. What are black holes? Black hole, cosmic body of extremely intense gravity from which nothing, not even light, can escape. A black hole can be formed by the death of a massive star. When such a star has exhausted the internal thermonuclear fuels in its core at the end of its life, the core becomes unstable and gravitationally collapses inward upon itself, and the star’s outer layers are blown away. The crushing weight of constituent matter falling in from all sides compresses the dying star to a point of zero volume and infinite density called the ...