https://www.amazon.com/dp/0393312763/?tag=pfamazon01-20 by string theorist Leonard Susskind.go quantum! said:Do you know any book written by a great physicist where he talks about black holes? I always enjoy reading the more relaxed way of talking that appears in popular scientific books such as The Fabric of Cosmos - B. Green.
A black hole is a region in space where the gravitational pull is so strong that nothing, including light, can escape from it. This is due to the immense amount of mass packed into a small space, causing a distortion in the fabric of space-time.
Black holes are formed when a massive star dies and its core collapses under its own gravity. This creates a singularity, a point of infinite density, at the center of the black hole. The size of the black hole depends on the mass of the star that formed it.
No, anything that passes the event horizon of a black hole, the point of no return, will be pulled into the singularity and cannot escape. However, some particles can escape through Hawking radiation, but this is a very slow process.
Yes, when two black holes are in close proximity, they can merge together to form a larger black hole. This occurs when galaxies collide, causing their respective black holes to merge as well.
Black holes play a crucial role in our understanding of the universe and its evolution. They help us study the effects of gravity on a large scale and how it shapes the structure of the universe. They also provide insights into the behavior of matter and energy in extreme conditions.