Primordial fluctuations
ID: primordial-fluctuations
Primordial fluctuations refer to the tiny variations in density that existed in the early universe, shortly after the Big Bang. These fluctuations are thought to have originated during the period of cosmic inflation, a rapid expansion of space that occurred within the first fraction of a second of the universe's existence. As the universe expanded, these small density variations led to regions of slightly higher and lower density.
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