Why there might not be an "outside" to our universe
In short: Humans have long imagined the universe as a room with walls, but modern cosmology suggests something far more complex. This video explores whether there is anything beyond our cosmic horizon or if the very concept of an "outside" is physically impossible.
The exploration of what lies beyond our reach pits two major cosmological theories against each other. One perspective suggests that our observable universe is merely a small fraction of existence, potentially surrounded by countless other universes beyond our current horizon.
Conversely, many physicists argue the question is fundamentally flawed because space and time may not possess an "outside" at all. To understand this, the video compares the concept to asking what lies north of the North Pole—a point where the coordinate system itself ceases to function.
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Sources
- Summary by Intellect · source: What's Outside The Universe?
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