Black Holes Are Born When the Universe Bounces express
Imagine the Universe shrinking and then expanding, like a trampoline. As it compresses, clumps form inside it, capable of surviving the bounce and turning into black holes, gravitational waves, and dark matter. In this way, dark matter could be an 'echo' of a past collapse.
The universe can behave like a spring: compressing to microscopic sizes and then expanding again. In this cycle of contraction and bounce, black holes and dark matter are born. During compression, like in a twisting spiral, densifications arise—clumps of matter and gravitational waves (ripples in spacetime). If a clump is massive enough, it doesn't disintegrate during the bounce, and later galaxies grow from it.
This mechanism solves several cosmic mysteries at once. Dark matter turns out not to be exotic particles, but a swarm of invisible black holes that survived previous cycles. The powerful gravitational waves generated during compression create a background that modern detectors pick up. And supermassive black holes managed to grow even before galaxies gathered around them, because their seeds appeared long before the Big Bang—at the moment of the previous bounce.
🎯 For a clump of matter to survive the bounce, its diameter must be at least 90 meters—the length of a football field.
🎬 A cyclic cosmos, contracting and being reborn, is described in Poul Anderson's novel 'Tau Zero': the characters witness the death and birth of a new world.