it's one of the most perplexing questions in cosmology: does our Universe have an edge? If you keep travelling in an imaginary faster-than-light spaceship, would you ever arrive at some boundary, unable to go any further? And if so, what lies beyond? It's all very hard to imagine. Then again, an infinite Universe is just as difficult to wrap your head around. After all, there
Does the Universe have an edge?
Mar 23, 2023
2 minutes
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