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htapps
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If black holes crush things into infinite density, shouldn't they all be the same size?
Black holes have different sizes based on their mass. The more mass a black hole has, the larger its event horizon - the point of no return for matter and light. This means that a black hole with more mass will have a larger area of gravitational influence and therefore, be considered larger.
There is no limit to how large a black hole can grow. As long as it continues to consume matter and increase its mass, it can continue to grow in size. However, there is a limit to how quickly a black hole can grow due to the laws of physics.
Yes, when two black holes come close enough to each other, they can merge and form a larger black hole. This is known as a black hole merger and is thought to occur when two galaxies collide.
The size of a black hole is typically measured by its event horizon, which is the point where the gravitational pull becomes so strong that not even light can escape. Scientists also use other methods such as observing the effects of a black hole on its surrounding environment to estimate its size.
Yes, a black hole's size can change over time as it continues to consume matter and increase its mass. It can also lose mass through processes such as Hawking radiation, but this is a very slow process and only occurs for very small black holes.