What Existed Before the Big Bang? | Space Documentary 2026

What existed before the Big Bang? Was there truly nothing, or does the question itself misunderstand how time and space began?

In this space documentary, we explore the deepest ideas about the origin of the universe, including cosmic inflation, quantum cosmology, cyclic universes, the Big Bounce and the possibility that our universe emerged from an earlier state of reality.

The Big Bang theory does not necessarily describe the absolute beginning of everything. It explains how the observable universe evolved from an extremely hot and dense early state. What happened before that moment remains unknown, and some models suggest that ordinary time may not even extend beyond it.

Could another universe have existed before ours? Did space emerge from a quantum state? Or was the Big Bang only one transition in a much older cosmic history?

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