space-time
/ˌspāsˈtīm/
noun
the concepts of time and three-dimensional space regarded as fused in a four-dimensional continuum.
"the curvature of space-time"
Spacetime
In physics, spacetime is a mathematical model that fuses the three dimensions of space and the one dimension of time into a single four-dimensional continuum. Spacetime diagrams are useful in visualizing and understanding relativistic effects such... Wikipedia
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May 9, 2018 · In physics and, more generally, in the natural sciences, space and time are the foundation of all theories. Yet we never see spacetime directly.
Space Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet ...