Does the Universe Have a Boundary? | Journey Beyond the Cosmic Horizon – What Would Happen?

Is there an edge to the universe—or does it go on forever? In this fascinating space documentary, we explore the cosmic horizon, the ultimate limit to how far we can see, and what lies beyond it.

From the observable universe defined by the speed of light, to theories about an infinite cosmos, parallel universes, and the strange effects of cosmic expansion, this journey takes you beyond the limits of human perception.

Discover what physics says about crossing the cosmic boundary, and imagine what might exist in the uncharted regions of reality.

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