Question

Define Space Time

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Answer 1

Answer: Here, Space time is one of the theory of Einstein which joins space and time in a theory well known as continuum. This idea has helped us in the field of cosmology to understand the universe and this theory is perfectly working in present and remember its a theory of Einstein. Assume that space is a super frictional Sheet and have curvatures because of the mass of celestial objects. More heavier then more curvature.

Answer 2

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In physics, spacetime is any mathematical model which fuses the three dimensions of space and the one dimension of time into a single four-dimensional manifold. Spacetime diagrams can be used to visualize relativistic effects, such as why different observers perceive differently where and when events occur.