If Nothing Exists Outside the Universe then What Is It Expanding Into?

Discover the mind-bending truth about cosmic expansion: the universe isn't expanding INTO anything—it's creating space itself. Explore how Edwin Hubble discovered galaxies racing away, why space stretches between distant galaxies, and what the cosmic microwave background reveals about reality. Learn why asking "what's outside the universe?" is like asking what's north of the North Pole. Join us on this journey through spacetime! #UniverseExpansion #Cosmology #SpaceScience #DarkEnergy #BigBang Sources/References: https://en.wikipedia.org/wiki/Expansi... https://www.britannica.com/science/co... https://lambda.gsfc.nasa.gov/educatio... https://bigthink.com/starts-with-a-ba... https://astro.fnal.gov/science/cmbr/a...

If Nothing Exists Outside the Universe then What Is It Expanding Into?

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