splittingheirs t1_j1gz3h0 wrote
Reply to comment by picaohm in Did you know it will still take 46 billion years to cross the universe at the speed of light? 65 mph = 4.8 * 10^17 years! by NotAndroid545
Space and Time itself are intrinsic properties of our universe. That is: they do not exist outside of it, they are a part of it, entirely. The universe doesn't expand into anything, it simply creates more space between things.
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