Does The Universe Have an Edge?

For centuries, humanity believed our world was enclosed in a rigid, tiny shell of stars. This high-octane investigation reveals the mind-bending cosmic triggers and rogue scientists who shattered that illusion to map the true scale of reality. From a colossal 1572 supernova shining 5 billion times brighter than our sun, to Albert Einstein's revolutionary realization that gravity is just warped space, we track how humanity decoded an expanding universe.

Courtesy of Wonder on YouTube. Watch on YouTube ↗

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