Questions regarding the 4-dimensional background structure of our universe.
Space-time is a concept popularized in Albert Einstein's theory of special relativity and intimately woven into his later theory of general relativity. In our universe, it consists of three dimensions of space and one of time, and so scientists sometimes to the space-time we observe as 3+1 dimensional.
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9 years, 5 months ago by Sarah Szabo |
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8 years, 6 months ago |
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