Black holes are not just cosmic vacuum cleaners from "summary" of The Fabric of the Cosmos by Brian Greene
Black holes are often portrayed as cosmic vacuum cleaners, voracious entities that indiscriminately suck up anything that ventures too close. And it's true, to a certain extent. The gravitational pull of a black hole is so strong that once something crosses a point of no return called the event horizon, it's destined to fall in. But the story doesn't end there. In reality, black holes are more than just destructive forces of nature. They play a crucial role in the cosmic dance that shapes the universe. For example, black holes can be cosmic recycling plants, where matter is compressed, crushed, and ultimately spit back out into the universe in the form of powerful jets of energy. These jets can influence the evolution of entire galaxies, shaping their structure and dynamics. Moreover, black holes are not ju...
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