What Existed Before the Big Bang? 🤯 | The Universe’s Greatest Mystery

If the Big Bang created space and time itself, then “before” may not exist the way we imagine. Some scientists believe time began at the Big Bang. Others explore ideas like quantum fluctuations, cyclic universes, or realities beyond spacetime. This isn’t science fiction. It’s one of the deepest unanswered questions in physics. The universe doesn’t just expand— it challenges how we understand reality. Credits: NASA, ESA, public scientific research ⚠️ DISCLAIMER This video is for educational and informational purposes only. Concepts shown are based on current scientific theories and observations.