Question

what is space and space -time?

Answer 1

Space-time is a mathematical model that joins space and time into a single idea called a continuum. This four-dimensional continuum is known as Minkowski space. Combining these two ideas helped cosmology to understand how the universe works on the big level (e.g. galaxies) and small level (e.g. atoms

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Answer 2

spacetime is a mathematical model that join space and time into a single idea .
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