Why does Space-Time curve and more importantly, why and how does Space and Time come together to form a “fabric”?

Question

Why does Space-Time curve and more importantly, why and how does Space and Time come together to form a “fabric”?

In: Physics

Answer 1

Just to clarify the point, space-time curves around gravity, but is otherwise flat. Why? Cosmological estimates. See “How can the Universe be Flat” on Youtube for a more concise explanation.